diff --git a/lutinParseSubFolders.txt b/lutinParseSubFolders.txt
new file mode 100644
index 0000000..1977f27
--- /dev/null
+++ b/lutinParseSubFolders.txt
@@ -0,0 +1 @@
+tool/recorder
\ No newline at end of file
diff --git a/tool/recorder/appl/Main.cpp b/tool/recorder/appl/Main.cpp
new file mode 100644
index 0000000..07c2b78
--- /dev/null
+++ b/tool/recorder/appl/Main.cpp
@@ -0,0 +1,67 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+
+
+#include <etk/types.h>
+#include <ewol/ewol.h>
+#include <gale/context/commandLine.h>
+
+#include <appl/debug.h>
+#include <appl/Windows.h>
+#include <ewol/object/Object.h>
+#include <ewol/widget/Manager.h>
+#include <ewol/context/Context.h>
+#include <appl/widget/TextAreaRecognition.h>
+
+
+class MainApplication : public ewol::context::Application {
+	public:
+		void onCreate(ewol::Context& _context) override {
+			APPL_INFO(" == > CREATE ... " << PROJECT_NAME << "  v" << APPL_VERSION << " (START) [" << ewol::getBoardType() << "] (" << ewol::getCompilationMode() << ") (BEGIN)");
+			for( int32_t iii=0 ; iii<_context.getCmd().size(); iii++) {
+				std::string tmpppp = _context.getCmd().get(iii);
+				if (    tmpppp == "-h"
+				     || tmpppp == "--help") {
+					APPL_INFO("  -h/--help display this help" );
+					exit(0);
+				}
+			}
+			// TODO : Remove this : Move if in the windows properties
+			_context.setSize(vec2(800, 600));
+			
+			// select internal data for font ...
+			_context.getFontDefault().setUseExternal(false);
+			_context.getFontDefault().set("FreeMono;FreeSerif;DejaVuSansMono;DroidSansMono", 24);
+			
+			appl::widget::TextAreaRecognition::createManagerWidget(_context.getWidgetManager());
+			
+			ewol::widget::WindowsShared basicWindows = appl::Windows::create();
+			// create the specific windows
+			_context.setWindows(basicWindows);
+			APPL_INFO("==> CREATE ... " PROJECT_NAME " (END)");
+		}
+		
+		void onStart(ewol::Context& _context) override {
+			APPL_INFO("==> START ... " PROJECT_NAME " (BEGIN)");
+			// nothing to do ...
+			APPL_INFO("==> START ... " PROJECT_NAME " (END)");
+		}
+		void onStop(ewol::Context& _context) override {
+			APPL_INFO("==> STOP ... " PROJECT_NAME " (START)");
+			// nothing to do ...
+			APPL_INFO("==> STOP ... " PROJECT_NAME " (END)");
+		}
+};
+
+/**
+ * @brief Main of the program (This can be set in every case, but it is not used in Andoid...).
+ * @param std IO
+ * @return std IO
+ */
+int main(int _argc, const char *_argv[]) {
+	// second possibility
+	return ewol::run(new MainApplication(), _argc, _argv);
+}
\ No newline at end of file
diff --git a/tool/recorder/appl/Main.h b/tool/recorder/appl/Main.h
new file mode 100644
index 0000000..979b0e0
--- /dev/null
+++ b/tool/recorder/appl/Main.h
@@ -0,0 +1,8 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+
+#pragma once
+
diff --git a/tool/recorder/appl/Windows.cpp b/tool/recorder/appl/Windows.cpp
new file mode 100644
index 0000000..7443461
--- /dev/null
+++ b/tool/recorder/appl/Windows.cpp
@@ -0,0 +1,275 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+
+#include <ewol/ewol.h>
+#include <appl/debug.h>
+#include <appl/Windows.h>
+#include <ewol/widget/Label.h>
+#include <ewol/widget/Button.h>
+#include <ewol/widget/Entry.h>
+#include <appl/widget/TextAreaRecognition.h>
+#include <etk/tool.h>
+
+appl::Windows::Windows() :
+  m_composer(nullptr),
+  m_currentId(0),
+  m_currentTypeId(0),
+  m_userName("Edouard DUPIN") {
+	addObjectType("appl::Windows");
+	propertyTitle.setDirectCheck(std::string("sample ") + PROJECT_NAME);
+}
+
+void appl::Windows::init() {
+	ewol::widget::Windows::init();
+	m_listType.push_back("hand");
+	m_listType.push_back("print");
+	m_currentTypeId = 0;
+	std::string tmp;
+	for (char iii='0'; iii<='9'; ++iii) {
+		tmp = iii;
+		m_listValue.push_back(tmp);
+	}
+	for (char iii='a'; iii<='z'; ++iii) {
+		tmp = iii;
+		m_listValue.push_back(tmp);
+	}
+	for (char iii='A'; iii<='Z'; ++iii) {
+		tmp = iii;
+		m_listValue.push_back(tmp);
+	}
+	m_listValue.push_back("+");
+	m_listValue.push_back("-");
+	m_listValue.push_back("*");
+	m_listValue.push_back("=");
+	m_listValue.push_back("/");
+	m_listValue.push_back("?");
+	m_listValue.push_back("!");
+	m_listValue.push_back("@");
+	m_listValue.push_back("#");
+	m_listValue.push_back("~");
+	m_listValue.push_back("&");
+	m_listValue.push_back("(");
+	m_listValue.push_back(")");
+	m_listValue.push_back("[");
+	m_listValue.push_back("]");
+	m_listValue.push_back("{");
+	m_listValue.push_back("}");
+	m_listValue.push_back("^");
+	m_listValue.push_back("%");
+	m_listValue.push_back(";");
+	m_listValue.push_back(".");
+	m_listValue.push_back(",");
+	m_listValue.push_back("<");
+	m_listValue.push_back(">");
+	m_listValue.push_back("µ");
+	m_listValue.push_back("$");
+	m_listValue.push_back("\"");
+	m_listValue.push_back("'");
+	m_listValue.push_back("|");
+	m_listValue.push_back("\\");
+	m_listValue.push_back("€");
+	m_listValue.push_back("ù");
+	m_listValue.push_back("é");
+	m_listValue.push_back("è");
+	m_listValue.push_back("ç");
+	m_listValue.push_back("à");
+	m_listValue.push_back("÷");
+	m_listValue.push_back("≠");
+	m_listValue.push_back("≡");
+	m_listValue.push_back("≤");
+	m_listValue.push_back("≥");
+	m_listValue.push_back("∀");
+	m_listValue.push_back("∧");
+	m_listValue.push_back("→");
+	m_listValue.push_back("←");
+	m_listValue.push_back("⇔");
+	m_listValue.push_back("⌊");
+	m_listValue.push_back("⌋");
+	m_listValue.push_back("⌈");
+	m_listValue.push_back("⌉");
+	m_listValue.push_back("∆");
+	m_listValue.push_back("∇");
+	m_listValue.push_back("□");
+	m_listValue.push_back("◊");
+	m_listValue.push_back("⊳");
+	m_listValue.push_back("⊵");
+	m_listValue.push_back("⊲");
+	m_listValue.push_back("⊴");
+	m_listValue.push_back("∃");
+	m_listValue.push_back("∑");
+	m_listValue.push_back("≈");
+	m_listValue.push_back("∝");
+	m_listValue.push_back("∞");
+	m_currentId = 0;
+	std::string composition = std::string("");
+	composition += "<sizer mode='vert'>\n";
+	composition += "	<spacer min-size='4%'/>\n";
+	composition += "	<sizer mode='hori' lock='false,true' min-size='9%'>\n";
+	composition += "		<button name='bt-clear' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Clear\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "		<button name='bt-undo' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Undo\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "		<button name='bt-store' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Store\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "	</sizer>\n";
+	composition += "	<spacer min-size='4%'/>\n";
+	composition += "	<TextAreaRecognition name='recorder' expand='true' fill='true'/>\n";
+	composition += "	<spacer min-size='2%'/>\n";
+	composition += "	<sizer mode='hori' lock='false,true' min-size='7%'>\n";
+	composition += "		<entry name='user-name' value='Edouard DUPIN' max='30' regex='(\\w| )*' min-size='50%,0%'/>\n";
+	composition += "		<label name='current-type' min-size='25%,0%'/>\n";
+	composition += "		<label name='current-lettre' min-size='25%,0%' expand='true,false'/>\n";
+	composition += "	</sizer>\n";
+	composition += "	<spacer min-size='2%'/>\n";
+	composition += "	<sizer mode='hori' lock='false,true' min-size='7%'>\n";
+	composition += "		<spacer expand='true,false'/>\n";
+	composition += "		<button name='bt-previous' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Previous\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "		<button name='bt-next' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Next\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "		<spacer expand='true,false'/>\n";
+	composition += "		<button name='bt-previous-type' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Type prev\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "		<button name='bt-next-type' fill='true' expand='true'>\n";
+	composition += "			<label expand='true' fill='false'>\n";
+	composition += "				Type next\n";
+	composition += "			</label>\n";
+	composition += "		</button>\n";
+	composition += "		<spacer expand='true,false'/>\n";
+	composition += "	</sizer>\n";
+	composition += "</sizer>\n";
+	m_composer = ewol::widget::Composer::create();
+	if (m_composer == nullptr) {
+		APPL_CRITICAL(" An error occured ... in the windows creatrion ...");
+		return;
+	}
+	m_composer->loadFromString(composition);
+	setSubWidget(m_composer);
+	subBind(ewol::widget::Button, "bt-clear", signalPressed, sharedFromThis(), &appl::Windows::onCallbackClear);
+	subBind(ewol::widget::Button, "bt-undo", signalPressed, sharedFromThis(), &appl::Windows::onCallbackUndo);
+	subBind(ewol::widget::Button, "bt-store", signalPressed, sharedFromThis(), &appl::Windows::onCallbackStore);
+	subBind(ewol::widget::Button, "bt-previous", signalPressed, sharedFromThis(), &appl::Windows::onCallbackPrevious);
+	subBind(ewol::widget::Button, "bt-next", signalPressed, sharedFromThis(), &appl::Windows::onCallbackNext);
+	subBind(ewol::widget::Button, "bt-previous-type", signalPressed, sharedFromThis(), &appl::Windows::onCallbackPreviousType);
+	subBind(ewol::widget::Button, "bt-next-type", signalPressed, sharedFromThis(), &appl::Windows::onCallbackNextType);
+	subBind(ewol::widget::Entry, "user-name", signalModify, sharedFromThis(), &appl::Windows::onCallbackChangeNameUser);
+	propertySetOnWidgetNamed("current-lettre", "value", m_listValue[m_currentId]);
+	propertySetOnWidgetNamed("current-type", "value", m_listType[m_currentTypeId]);
+	
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->setCompare(m_listType[m_currentTypeId] + " " + m_listValue[m_currentId]);
+	}
+}
+
+void appl::Windows::onCallbackChangeNameUser(const std::string& _value) {
+	m_userName = _value;
+}
+
+void appl::Windows::onCallbackClear() {
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->clear();
+	}
+}
+
+void appl::Windows::onCallbackStore() {
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->store(m_userName, m_listValue[m_currentId], m_listType[m_currentTypeId]);
+		tmpDisp->clear();
+	}
+}
+
+void appl::Windows::onCallbackUndo() {
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->undo();
+	}
+}
+
+void appl::Windows::onCallbackPrevious() {
+	if (m_currentId == 0) {
+		m_currentId = m_listValue.size();
+	}
+	m_currentId--;
+	if (m_listValue[m_currentId] == "<") {
+		propertySetOnWidgetNamed("current-lettre", "value", "&lt;");
+	} else if (m_listValue[m_currentId] == ">") {
+		propertySetOnWidgetNamed("current-lettre", "value", "&gt;");
+	} else {
+		propertySetOnWidgetNamed("current-lettre", "value", m_listValue[m_currentId]);
+	}
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->setCompare(m_listType[m_currentTypeId] + " " + m_listValue[m_currentId]);
+	}
+	onCallbackClear();
+}
+
+void appl::Windows::onCallbackNext() {
+	m_currentId++;
+	if (m_currentId == m_listValue.size()) {
+		m_currentId = 0;
+	}
+	if (m_listValue[m_currentId] == "<") {
+		propertySetOnWidgetNamed("current-lettre", "value", "&lt;");
+	} else if (m_listValue[m_currentId] == ">") {
+		propertySetOnWidgetNamed("current-lettre", "value", "&gt;");
+	} else {
+		propertySetOnWidgetNamed("current-lettre", "value", m_listValue[m_currentId]);
+	}
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->setCompare(m_listType[m_currentTypeId] + " " + m_listValue[m_currentId]);
+	}
+	onCallbackClear();
+}
+
+void appl::Windows::onCallbackPreviousType() {
+	if (m_currentTypeId == 0) {
+		m_currentTypeId = m_listType.size();
+	}
+	m_currentTypeId--;
+	propertySetOnWidgetNamed("current-type", "value", m_listType[m_currentTypeId]);
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->setCompare(m_listType[m_currentTypeId] + " " + m_listValue[m_currentId]);
+	}
+	onCallbackClear();
+}
+
+void appl::Windows::onCallbackNextType() {
+	m_currentTypeId++;
+	if (m_currentTypeId == m_listType.size()) {
+		m_currentTypeId = 0;
+	}
+	propertySetOnWidgetNamed("current-type", "value", m_listType[m_currentTypeId]);
+	auto tmpDisp = ememory::dynamicPointerCast<appl::widget::TextAreaRecognition>(getSubObjectNamed("recorder"));
+	if (tmpDisp != nullptr) {
+		tmpDisp->setCompare(m_listType[m_currentTypeId] + " " + m_listValue[m_currentId]);
+	}
+	onCallbackClear();
+}
+
diff --git a/tool/recorder/appl/Windows.h b/tool/recorder/appl/Windows.h
new file mode 100644
index 0000000..ba7df6a
--- /dev/null
+++ b/tool/recorder/appl/Windows.h
@@ -0,0 +1,38 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+#pragma once
+
+#include <ewol/widget/Windows.h>
+#include <ewol/widget/Composer.h>
+
+namespace appl {
+	class Windows;
+	using WindowsShared = ememory::SharedPtr<appl::Windows>;
+	using WindowsWeak = ememory::WeakPtr<appl::Windows>;
+	class Windows : public ewol::widget::Windows {
+		private:
+			ewol::widget::ComposerShared m_composer;
+			std::vector<std::string> m_listValue;
+			size_t m_currentId;
+			std::vector<std::string> m_listType;
+			size_t m_currentTypeId;
+			std::string m_userName;
+		protected:
+			Windows();
+			void init();
+		public:
+			DECLARE_FACTORY(Windows);
+		public: // callback functions
+			void onCallbackChangeNameUser(const std::string& _value);
+			void onCallbackClear();
+			void onCallbackUndo();
+			void onCallbackStore();
+			void onCallbackPrevious();
+			void onCallbackNext();
+			void onCallbackPreviousType();
+			void onCallbackNextType();
+	};
+}
diff --git a/tool/recorder/appl/debug.cpp b/tool/recorder/appl/debug.cpp
new file mode 100644
index 0000000..82869dc
--- /dev/null
+++ b/tool/recorder/appl/debug.cpp
@@ -0,0 +1,13 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+
+
+#include <appl/debug.h>
+
+int32_t appl::getLogId() {
+	static int32_t g_val = elog::registerInstance("LGDT-tool-rec");
+	return g_val;
+}
diff --git a/tool/recorder/appl/debug.h b/tool/recorder/appl/debug.h
new file mode 100644
index 0000000..a7fb7ba
--- /dev/null
+++ b/tool/recorder/appl/debug.h
@@ -0,0 +1,37 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+#pragma once
+
+#include <elog/log.h>
+
+namespace appl {
+	int32_t getLogId();
+};
+#define APPL_BASE(info,data) ELOG_BASE(appl::getLogId(),info,data)
+
+#define APPL_CRITICAL(data)      APPL_BASE(1, data)
+#define APPL_ERROR(data)         APPL_BASE(2, data)
+#define APPL_WARNING(data)       APPL_BASE(3, data)
+#ifdef DEBUG
+	#define APPL_INFO(data)          APPL_BASE(4, data)
+	#define APPL_DEBUG(data)         APPL_BASE(5, data)
+	#define APPL_VERBOSE(data)       APPL_BASE(6, data)
+	#define APPL_TODO(data)          APPL_BASE(4, "TODO : " << data)
+#else
+	#define APPL_INFO(data)          do { } while(false)
+	#define APPL_DEBUG(data)         do { } while(false)
+	#define APPL_VERBOSE(data)       do { } while(false)
+	#define APPL_TODO(data)          do { } while(false)
+#endif
+
+#define APPL_ASSERT(cond,data) \
+	do { \
+		if (!(cond)) { \
+			APPL_CRITICAL(data); \
+			assert(!#cond); \
+		} \
+	} while (0)
+
diff --git a/tool/recorder/appl/widget/TextAreaRecognition.cpp b/tool/recorder/appl/widget/TextAreaRecognition.cpp
new file mode 100644
index 0000000..abe4380
--- /dev/null
+++ b/tool/recorder/appl/widget/TextAreaRecognition.cpp
@@ -0,0 +1,374 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+
+#include <appl/debug.h>
+#include <appl/widget/TextAreaRecognition.h>
+#include <ewol/object/Manager.h>
+#include <etk/tool.h>
+#include <ejson/ejson.h>
+#include <esvg/esvg.h>
+//#include <algue/sha512.h>
+#include <etk/os/FSNode.h>
+
+appl::widget::TextAreaRecognition::TextAreaRecognition() {
+	addObjectType("appl::widget::TextAreaRecognition");
+}
+
+void appl::widget::TextAreaRecognition::init() {
+	ewol::Widget::init();
+	m_updateDone = false;
+	
+	//m_dollarEngine.loadPath("DATA:text");
+	m_dollarEngine = dollar::createEngine("$P+");
+	m_dollarEngine->loadPath("DATA:reference");
+	markToRedraw();
+	// connect a periodic update ...
+	m_periodicConnection = getObjectManager().periodicCall.connect(this, &appl::widget::TextAreaRecognition::callbackPeriodicUpdate);
+}
+
+
+appl::widget::TextAreaRecognition::~TextAreaRecognition() {
+	
+}
+
+
+void appl::widget::TextAreaRecognition::clear() {
+	m_dataList.clear();
+	m_current.clear();
+	m_time = std::chrono::system_clock::now();
+	markToRedraw();
+}
+
+void appl::widget::TextAreaRecognition::undo() {
+	if (m_dataList.size() <= 0) {
+		return;
+	}
+	m_dataList.erase(m_dataList.begin()+(m_dataList.size()-1));
+	m_time = std::chrono::system_clock::now();
+	markToRedraw();
+}
+
+void appl::widget::TextAreaRecognition::setCompare(const std::string& _compare) {
+	m_compare = _compare;
+}
+
+void appl::widget::TextAreaRecognition::store(const std::string& _userName, const std::string& _value, const std::string& _type) {
+	if (m_dataList.size() == 0) {
+		return;
+	}
+	// create the buffer
+	ejson::Document doc;
+	doc.add("user", ejson::String(_userName));
+	doc.add("value", ejson::String(_value));
+	doc.add("type", ejson::String(_type));
+	doc.add("time", ejson::Number(m_time.time_since_epoch().count()));
+	ejson::Array list;
+	doc.add("data", list);
+	for (auto &it : m_dataList) {
+		ejson::Object obj;
+		obj.add("type", ejson::String(etk::to_string(it.m_type)));
+		ejson::Array listPoint;
+		obj.add("list", listPoint);
+		for (size_t iii=0; iii<it.m_data.size(); ++iii) {
+			ejson::Array point;
+			point.add(ejson::Number(it.m_data[iii].x()));
+			point.add(ejson::Number(it.m_data[iii].y()));
+			listPoint.add(point);
+		}
+		list.add(obj);
+	}
+	std::string streamOut = doc.generateMachineString();
+	std::string fileName;
+	fileName = "HOME:DOLLAR/corpus/";
+	if (_value == "/") {
+		fileName += "slash";
+	} else {
+		fileName += _value;
+	}
+	fileName += "_";
+	fileName += _type;
+	fileName += "_";
+	fileName += _userName;
+	fileName += "_";
+	fileName += etk::to_string(m_time.time_since_epoch().count());
+	fileName += ".json";
+	etk::FSNodeWriteAllData(fileName, streamOut);
+	APPL_WARNING("store: " << fileName);
+}
+
+void appl::widget::TextAreaRecognition::onDraw() {
+	m_draw.draw();
+	m_text.draw();
+}
+
+std::vector<std::vector<vec2>> scalePoints(std::vector<std::vector<vec2>> _list, float _objectSize) {
+	// get min/max point
+	vec2 minPos(99999999,99999999);
+	vec2 maxPos(0,0);
+	for (auto &itLines : _list) {
+		for (auto& itPoints : itLines) {
+			minPos.setMin(itPoints);
+			maxPos.setMax(itPoints);
+		}
+	}
+	// center and reduce to a size of XXX
+	float scale = 1.0f;
+	vec2 size = maxPos-minPos;
+	vec2 center(0,0);
+	if (size.x() > size.y()) {
+		scale = _objectSize/size.x();
+		center.setY((_objectSize-size.y()*scale)*0.5);
+	} else {
+		scale = _objectSize/size.y();
+		center.setX((_objectSize-size.x()*scale)*0.5);
+	}
+	for (auto &itLines : _list) {
+		for (auto& itPoints : itLines) {
+			itPoints -= minPos;
+			itPoints *= scale;
+			itPoints += center;
+		}
+	}
+	return _list;
+}
+
+std::vector<etk::Color<float,4>> renderWithSVG(const std::vector<std::vector<vec2>>& _list, int32_t _objectSize, const std::string& _filename) {
+	// generate SVG to render:
+	esvg::Document docSvg;
+	std::string data("<?xml version='1.0' encoding='UTF-8' standalone='no'?>\n");
+	data += "<svg height='" + etk::to_string(_objectSize) + "' width='" + etk::to_string(_objectSize) + "'>\n";
+	for (auto &itLines : _list) {
+		data += "	<polyline\n";
+		data += "	          fill='none'\n";
+		data += "	          stroke='black'\n";
+		data += "	          stroke-opacity='1'\n";
+		data += "	          stroke-width='2'\n";
+		data += "	          points='";
+		bool first = true;
+		for (auto& itPoints : itLines) {
+			if (first == false) {
+				data += " ";
+			}
+			first = false;
+			data += etk::to_string(itPoints.x()) + "," + etk::to_string(itPoints.y());
+		}
+		data += "'\n";
+		data += "	          />\n";
+	}
+	data += "</svg>\n";
+	docSvg.parse(data);
+	//docSvg.store(list[index]->getName()+ ".svg");
+	etk::FSNodeWriteAllData(_filename, data);
+	
+	// generate SVG output ...
+	ivec2 renderSize = ivec2(_objectSize,_objectSize);
+	return docSvg.renderImageFloatRGBA(renderSize);
+}
+
+
+void appl::widget::TextAreaRecognition::onRegenerateDisplay() {
+	if (needRedraw() == false) {
+		return;
+	}
+	// remove previous data
+	m_draw.clear();
+	m_text.clear();
+	// set background
+	m_draw.setColor(etk::color::black);
+	m_draw.setPos(vec2(0,0));
+	m_draw.rectangleWidth(m_size);
+	m_draw.setColor(etk::color::orange);
+	m_draw.setThickness(1);
+	m_draw.setPos(vec2(0,m_size.y()*0.0));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.0));
+	m_draw.setColor(etk::color::blue);
+	m_draw.setThickness(1);
+	m_draw.setPos(vec2(0,m_size.y()*0.1));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.1));
+	m_draw.setPos(vec2(0,m_size.y()*0.2));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.2));
+	m_draw.setPos(vec2(0,m_size.y()*0.3));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.3));
+	m_draw.setColor(etk::color::orange);
+	m_draw.setThickness(2);
+	m_draw.setPos(vec2(0,m_size.y()*0.4));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.4));
+	m_draw.setColor(etk::color::blue);
+	m_draw.setThickness(1);
+	m_draw.setPos(vec2(0,m_size.y()*0.5));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.5));
+	m_draw.setPos(vec2(0,m_size.y()*0.6));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.6));
+	m_draw.setPos(vec2(0,m_size.y()*0.7));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.7));
+	m_draw.setColor(etk::color::orange);
+	m_draw.setPos(vec2(0,m_size.y()*0.8));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.8));
+	m_draw.setColor(etk::color::blue);
+	m_draw.setPos(vec2(0,m_size.y()*0.9));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*0.9));
+	m_draw.setPos(vec2(0,m_size.y()*1.0));
+	m_draw.lineTo(vec2(m_size.x(),m_size.y()*1.0));
+	
+	m_draw.setColor(etk::color::orange);
+	m_draw.setThickness(1);
+	float base = m_size.y()*0.4;
+	float pos = m_size.x()*0.5f - base*0.5;
+	while (pos > 0.0f) {
+		m_draw.setPos(vec2(pos,0));
+		m_draw.lineTo(vec2(pos,m_size.y()));
+		pos -= base;
+	}
+	pos = m_size.x()*0.5f + base*0.5;
+	while (pos < m_size.x()) {
+		m_draw.setPos(vec2(pos,0));
+		m_draw.lineTo(vec2(pos,m_size.y()));
+		pos += base;
+	}
+	
+	
+	vec2 minPos(99999999,99999999);
+	vec2 maxPos(0,0);
+	// set all the line:
+	m_draw.setColor(etk::color::white);
+	m_draw.setThickness(2);
+	// Draw olds
+	for (auto &it : m_dataList) {
+		for (size_t iii=0; iii<it.m_data.size(); ++iii) {
+			if (iii == 0) {
+				m_draw.setPos(it.m_data[iii]);
+			} else {
+				m_draw.lineTo(it.m_data[iii]);
+			}
+			minPos.setMin(it.m_data[iii]);
+			maxPos.setMax(it.m_data[iii]);
+		}
+	}
+	// draw current:
+	m_draw.setColor(etk::color::red);
+	for (size_t iii=0; iii<m_current.m_data.size(); ++iii) {
+		if (iii == 0) {
+			m_draw.setPos(m_current.m_data[iii]);
+		} else {
+			m_draw.lineTo(m_current.m_data[iii]);
+		}
+		minPos.setMin(m_current.m_data[iii]);
+		maxPos.setMax(m_current.m_data[iii]);
+	}
+	maxPos += vec2(2,2);
+	minPos -= vec2(2,2);
+	if (    minPos.x() < 9999999
+	     && m_updateDone == true) {
+		// Draw a cadre of the outline of the element ...
+		m_draw.setThickness(3);
+		if (m_findValue != m_compare) {
+			m_draw.setColor(etk::color::red);
+			m_text.setColor(etk::color::red);
+		} else {
+			m_draw.setColor(etk::color::green);
+			m_text.setColor(etk::color::green);
+		}
+		m_draw.setPos(minPos);
+		m_draw.lineTo(vec2(minPos.x(), maxPos.y()));
+		m_draw.lineTo(maxPos);
+		m_draw.lineTo(vec2(maxPos.x(), minPos.y()));
+		m_draw.lineTo(minPos);
+		
+		for (size_t iii=0; iii<m_dollarResults.getSize(); ++iii) {
+			m_text.setPos(vec2(maxPos.x()+5, maxPos.y()-m_text.getHeight()*float(iii+1)));
+			if (m_dollarResults.getName(iii) == m_compare) {
+				if (iii == 0) {
+					m_text.setColor(etk::color::green);
+				} else {
+					m_text.setColor(etk::color::orange);
+				}
+			} else {
+				m_text.setColor(etk::color::red);
+			}
+			m_text.print(m_dollarResults.getName(iii) + " " + etk::to_string(m_dollarResults.getConfidence(iii)) + "%");
+		}
+		m_text.setColor(etk::color::white);
+		m_text.setPos(vec2(0, m_text.getHeight()*2));
+		m_text.print("Dollar=" + etk::to_string(m_dollarTime.count()) + " ms");
+	}
+}
+
+bool appl::widget::TextAreaRecognition::onEventInput(const ewol::event::Input& _event) {
+	if (   _event.getId() == 1
+	    && (    (    m_current.m_type == gale::key::type::unknow
+	              && _event.getStatus() == gale::key::status::down
+	            )
+	         || m_current.m_type == _event.getType()
+	       )
+	    ) {
+		m_time = std::chrono::system_clock::now();
+		if(_event.getStatus() == gale::key::status::down) {
+			m_current.m_type = _event.getType();
+			m_current.addPoint(relativePosition(_event.getPos()));
+		}
+		if(_event.getStatus() == gale::key::status::up) {
+			m_current.addPoint(relativePosition(_event.getPos()));
+			m_dataList.push_back(m_current);
+			m_current.clear();
+		}
+		if(_event.getStatus() == gale::key::status::move) {
+			m_current.addPoint(relativePosition(_event.getPos()));
+		}
+		markToRedraw();
+		m_lastEvent = std::chrono::system_clock::now();
+		m_updateDone = false;
+		m_findValue = "";
+		m_dollarResults.clear();
+		return true;
+	}
+	return false;
+}
+
+static std::vector<std::vector<vec2>> convertInLines(const std::vector<appl::DrawingLine>& _list) {
+	std::vector<std::vector<vec2>> out;
+	for (auto &it : _list) {
+		if (it.m_data.size() > 1) {
+			out.push_back(it.m_data);
+		} else {
+			// TODO
+		}
+	}
+	return out;
+}
+
+
+void appl::widget::TextAreaRecognition::callbackPeriodicUpdate(const ewol::event::Time& _event) {
+	if (    (std::chrono::system_clock::now() - m_lastEvent) > std::chrono::milliseconds(1200)
+	     && m_updateDone == false) {
+		if (m_current.m_data.size() != 0) {
+			// ==> writing in progress
+			return;
+		}
+		if (m_dataList.size() == 0) {
+			// ==> no writing
+			markToRedraw();
+			m_updateDone = true;
+			return;
+		}
+		// extract lines from json file:
+		std::vector<std::vector<vec2>> fullListlines = convertInLines(m_dataList);
+		if (fullListlines.size() == 0) {
+			APPL_ERROR(" can not manage an objest with no line ...");
+			return;
+		}
+		
+		std::chrono::system_clock::time_point tic = std::chrono::system_clock::now();
+		// First Test with dollar engine
+		m_dollarResults = m_dollarEngine->recognize(fullListlines);
+		m_findValue = m_dollarResults.getName();
+		m_dollarTime = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now() - tic);
+		markToRedraw();
+		m_updateDone = true;
+	}
+}
+
+
+
diff --git a/tool/recorder/appl/widget/TextAreaRecognition.h b/tool/recorder/appl/widget/TextAreaRecognition.h
new file mode 100644
index 0000000..6814c0a
--- /dev/null
+++ b/tool/recorder/appl/widget/TextAreaRecognition.h
@@ -0,0 +1,76 @@
+/** @file
+ * @author Edouard DUPIN 
+ * @copyright 2016, Edouard DUPIN, all right reserved
+ * @license PROPRIETARY (see license file)
+ */
+#pragma once
+
+#include <ewol/widget/Widget.h>
+#include <ewol/compositing/Drawing.h>
+#include <ewol/compositing/Text.h>
+#include <ewol/widget/Manager.h>
+
+#include <dollar/Engine.h>
+
+namespace appl {
+	class DrawingLine {
+		public:
+			DrawingLine():
+			  m_type(gale::key::type::unknow) {
+				
+			}
+			enum gale::key::type m_type;
+			std::vector<vec2> m_data;
+			void clear() {
+				m_type = gale::key::type::unknow;
+				m_data.clear();
+			}
+			void addPoint(const vec2& _point) {
+				if (m_data.size() != 0) {
+					if (m_data[m_data.size()-1] == _point) {
+						return;
+					}
+				}
+				m_data.push_back(_point);
+			}
+	};
+	namespace widget {
+		class TextAreaRecognition : public ewol::Widget {
+			protected:
+				ewol::compositing::Drawing m_draw; //!< drawing instance
+				ewol::compositing::Text m_text; //!< drawing instance
+				std::vector<DrawingLine> m_dataList;
+				DrawingLine m_current;
+				std::chrono::system_clock::time_point m_time;
+				std::chrono::system_clock::time_point m_lastEvent;
+				esignal::Connection m_periodicConnection;
+				bool m_updateDone;
+				std::string m_svgData;
+				int32_t m_detectId;
+				std::string m_compare;
+				ememory::SharedPtr<dollar::Engine> m_dollarEngine;
+				dollar::Results m_dollarResults;
+				std::string m_findValue;
+				std::chrono::milliseconds m_dollarTime;
+			protected:
+				//! @brief constructor
+				TextAreaRecognition();
+				void init() override;
+			public:
+				DECLARE_WIDGET_FACTORY(TextAreaRecognition, "TextAreaRecognition");
+				//! @brief destructor
+				virtual ~TextAreaRecognition();
+			public:
+				void clear();
+				void undo();
+				void store(const std::string& _userName, const std::string& _value, const std::string& _type);
+				void setCompare(const std::string& _compare);
+			public:
+				void onDraw() override;
+				void onRegenerateDisplay() override;
+				bool onEventInput(const ewol::event::Input& _event) override;
+				void callbackPeriodicUpdate(const ewol::event::Time& _event);
+		};
+	}
+}
+
diff --git a/tool/recorder/data/freefont/FreeMono.ttf b/tool/recorder/data/freefont/FreeMono.ttf
new file mode 100644
index 0000000..7485f9e
Binary files /dev/null and b/tool/recorder/data/freefont/FreeMono.ttf differ
diff --git a/tool/recorder/data/freefont/FreeMonoBold.ttf b/tool/recorder/data/freefont/FreeMonoBold.ttf
new file mode 100644
index 0000000..3bce612
Binary files /dev/null and b/tool/recorder/data/freefont/FreeMonoBold.ttf differ
diff --git a/tool/recorder/data/freefont/FreeMonoBoldOblique.ttf b/tool/recorder/data/freefont/FreeMonoBoldOblique.ttf
new file mode 100644
index 0000000..ffcf71a
Binary files /dev/null and b/tool/recorder/data/freefont/FreeMonoBoldOblique.ttf differ
diff --git a/tool/recorder/data/freefont/FreeMonoOblique.ttf b/tool/recorder/data/freefont/FreeMonoOblique.ttf
new file mode 100644
index 0000000..8992c2c
Binary files /dev/null and b/tool/recorder/data/freefont/FreeMonoOblique.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSans.ttf b/tool/recorder/data/freefont/FreeSans.ttf
new file mode 100644
index 0000000..9db9585
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSans.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSansBold.ttf b/tool/recorder/data/freefont/FreeSansBold.ttf
new file mode 100644
index 0000000..63644e7
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSansBold.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSansBoldOblique.ttf b/tool/recorder/data/freefont/FreeSansBoldOblique.ttf
new file mode 100644
index 0000000..dde7f32
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSansBoldOblique.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSansOblique.ttf b/tool/recorder/data/freefont/FreeSansOblique.ttf
new file mode 100644
index 0000000..7452885
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSansOblique.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSerif.ttf b/tool/recorder/data/freefont/FreeSerif.ttf
new file mode 100644
index 0000000..b8906f5
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSerif.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSerifBold.ttf b/tool/recorder/data/freefont/FreeSerifBold.ttf
new file mode 100644
index 0000000..59a7a90
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSerifBold.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSerifBoldItalic.ttf b/tool/recorder/data/freefont/FreeSerifBoldItalic.ttf
new file mode 100644
index 0000000..c187d0e
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSerifBoldItalic.ttf differ
diff --git a/tool/recorder/data/freefont/FreeSerifItalic.ttf b/tool/recorder/data/freefont/FreeSerifItalic.ttf
new file mode 100644
index 0000000..7367418
Binary files /dev/null and b/tool/recorder/data/freefont/FreeSerifItalic.ttf differ
diff --git a/tool/recorder/data/icon.png b/tool/recorder/data/icon.png
new file mode 100644
index 0000000..2d7e208
Binary files /dev/null and b/tool/recorder/data/icon.png differ
diff --git a/tool/recorder/data/icon.svg b/tool/recorder/data/icon.svg
new file mode 100644
index 0000000..37c1d39
--- /dev/null
+++ b/tool/recorder/data/icon.svg
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="128"
+   height="128"
+   viewBox="0 0 128 128"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="icon.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="2.8"
+     inkscape:cx="64.554911"
+     inkscape:cy="71.006545"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     fit-margin-left="-0.1"
+     inkscape:window-width="1920"
+     inkscape:window-height="1022"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-924.3622)">
+    <path
+       style="fill:#0fc100;fill-opacity:1;stroke:#0fc100;stroke-width:1.10000002;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="path4686"
+       d="m 51.818716,940.99092 c -1.080647,-0.34082 -2.20094,-0.48121 -3.325452,-0.57256 -1.19086,-0.0809 -2.385064,-0.0856 -3.578126,-0.0867 -1.050105,0.003 -2.100211,0.005 -3.150326,0.005 -0.993909,0.006 -1.987814,0.002 -2.981727,0.003 -1.09198,-8.2e-4 -2.183953,-0.004 -3.275932,-9e-4 -1.021791,0.005 -2.043559,0.002 -3.06534,-0.002 -1.143395,-0.0631 -2.269147,0.0507 -3.401296,0.18882 -0.888115,0.0194 -1.689761,0.27198 -2.472999,0.67365 -0.935861,0.42859 -1.86653,0.85938 -2.787615,1.32174 -0.906289,0.43224 -1.823629,0.85285 -2.69277,1.35799 7.746622,-4.58993 3.707455,-2.37672 2.232415,-0.8114 -0.706681,0.82806 -1.287253,1.75185 -1.93614,2.62418 -0.840057,1.00455 -1.691186,1.99233 -2.437986,3.07027 -0.551697,0.82965 -0.762852,1.77377 -0.855361,2.74892 -0.05187,0.79864 -0.07186,1.59694 0.05159,2.38885 0.115744,0.9675 0.212535,1.52159 0.797382,2.31953 0.755267,0.76179 1.586916,1.44294 2.384954,2.15901 0.763042,0.66205 1.420698,1.44036 2.265885,2.00069 0.679331,0.48634 1.413045,0.88122 2.13527,1.29712 0.921853,0.50681 1.790204,1.10734 2.704933,1.62898 0.97623,0.59953 1.912387,1.2569 2.913591,1.81654 1.014828,0.56463 2.093262,0.96706 3.080567,1.58783 0.901468,0.49313 1.825722,0.93214 2.674617,1.51412 0.811031,0.54735 1.650468,1.04398 2.462243,1.59038 1.026685,0.63232 1.977652,1.36775 2.992361,2.01703 0.893349,0.56082 1.692845,1.24833 2.467367,1.95991 0.737755,0.69335 1.450902,1.41223 2.166007,2.12874 0.749078,0.71587 1.32061,1.59293 1.90146,2.44533 0.677665,0.94407 1.352461,1.89139 2.079342,2.79864 0.661278,0.84305 1.136864,1.80607 1.626075,2.75374 0.501412,1.25526 1.069913,2.47874 1.631291,3.70771 0.571735,1.0996 0.82806,2.29132 1.084237,3.48942 0.244731,1.01477 0.321736,2.05885 0.375959,3.09813 0.0357,1.04769 0.03952,2.09672 0.03808,3.14504 -0.0017,1.10649 -0.007,2.21296 -0.0094,3.31944 -0.0042,1.127 -2.75e-4,2.254 0.0067,3.381 0.01597,0.9808 0.01516,1.9547 -0.09054,2.9303 -0.126907,1.4207 -0.97605,2.4503 -1.926295,3.4335 -2.37754,2.191 -5.429243,3.6216 -8.183676,5.2115 -1.240495,0.6759 -2.595624,1.085 -3.886507,1.6454 -1.10492,0.4824 -2.277466,0.7914 -3.452801,1.0486 -1.171302,0.2098 -2.310509,0.5426 -3.48689,0.7306 -1.247338,0.072 -2.447572,0.4037 -3.671583,0.6182 -1.464998,0.2448 -2.931353,0.4405 -4.412109,0.5596 -1.444886,0.1962 -2.895471,0.3395 -4.352259,0.4013 -1.590671,0.048 -3.182516,0.048 -4.773809,0.049 -1.24931,0.01 -2.498625,0.01 -3.747941,0.013 -0.927789,7e-4 -1.84446,0.08 -2.739892,-0.1936 -0.823477,-0.2758 -1.5976752,-0.673 -2.4000451,-1.005 -1.0000242,-0.2637 -1.9468711,-0.6882 -2.9361067,-0.9839 -0.1567701,-0.037 -0.3135401,-0.074 -0.4703102,-0.1103 0,0 4.3424942,-2.9904 4.3424942,-2.9904 l 0,0 c 0.1615983,0.045 0.3231968,0.091 0.4847948,0.1362 0.988843,0.3341 1.967207,0.6978 2.960762,1.0172 0.787373,0.3165 1.543439,0.7203 2.367871,0.9348 0.876027,0.1605 1.768051,0.074 2.654529,0.098 1.23468,0.01 2.469362,0.013 3.704051,0.017 1.59094,-0 3.182711,-0 4.772234,-0.08 1.451756,-0.088 2.896603,-0.2401 4.340515,-0.4135 1.473288,-0.129 2.932687,-0.3514 4.388706,-0.6096 1.221183,-0.2481 2.440622,-0.4824 3.680789,-0.6162 1.167699,-0.2226 2.313039,-0.5403 3.481054,-0.7619 1.153647,-0.2822 2.296521,-0.6149 3.381358,-1.1052 1.294468,-0.5212 2.61945,-0.9808 3.832339,-1.6827 -7.845027,4.5551 -2.274011,1.5056 -0.712017,0.076 0.909826,-0.8876 1.874279,-1.7671 2.040174,-3.0992 0.11465,-0.9566 0.137561,-1.9109 0.112822,-2.8746 0.007,-1.1297 0.01112,-2.2593 0.0081,-3.3889 -10e-4,-1.1044 -0.0037,-2.2089 -0.0024,-3.31326 -7.82e-4,-1.04131 0.01,-2.08278 -0.02631,-3.12371 -0.04013,-1.01312 -0.103794,-2.03063 -0.336791,-3.02089 -0.247454,-1.16179 -0.430723,-2.33671 -0.99199,-3.40567 -0.573024,-1.21368 -1.138045,-2.42873 -1.642876,-3.67287 -0.483382,-0.91356 -0.953108,-1.83921 -1.580575,-2.66494 -0.726002,-0.92269 -1.401071,-1.88405 -2.097383,-2.82873 -0.573879,-0.81991 -1.12892,-1.6684 -1.859449,-2.35981 -0.709881,-0.71064 -1.417872,-1.4237 -2.153164,-2.10825 -0.757647,-0.68826 -1.543025,-1.34686 -2.413265,-1.89072 -1.008312,-0.65973 -1.952763,-1.40906 -2.99265,-2.02185 -0.824747,-0.53097 -1.67191,-1.02443 -2.477729,-1.58514 -0.853053,-0.55651 -1.77445,-0.98966 -2.652338,-1.50486 -0.991202,-0.59763 -2.077203,-0.98247 -3.072566,-1.57039 -0.993451,-0.57188 -1.919884,-1.24801 -2.909476,-1.82638 -0.907729,-0.53986 -1.803095,-1.09835 -2.728451,-1.60742 -0.739323,-0.41599 -1.467494,-0.85043 -2.158445,-1.34406 -0.822744,-0.61723 -1.512561,-1.38239 -2.282209,-2.06235 -0.824416,-0.74027 -1.698082,-1.43355 -2.450833,-2.24788 -0.607452,-0.83646 -0.836265,-1.49973 -0.935111,-2.52474 -0.145037,-0.83353 -0.156426,-1.66511 -0.09753,-2.51021 0.06995,-1.04849 0.237019,-2.07374 0.763785,-3.00366 0.718882,-1.09919 1.543994,-2.11583 2.417457,-3.09531 0.672248,-0.85978 1.263793,-1.77351 1.904274,-2.6564 1.805478,-2.1098 4.26149,-3.21303 6.735805,-4.54332 0.890536,-0.46343 1.790608,-0.90915 2.698395,-1.33777 0.927396,-0.46834 1.886396,-0.86563 2.821231,-1.31859 0.826662,-0.32215 1.66705,-0.49249 2.555998,-0.53274 1.141026,-0.1232 2.281304,-0.16748 3.429288,-0.13463 1.024056,-0.005 2.048099,-0.007 3.072165,-0.002 1.092832,0.003 2.185659,-3e-5 3.278492,-0.001 0.992841,-1.4e-4 1.985674,-0.005 2.978518,-10e-4 1.049287,-0.003 2.098609,-0.007 3.147869,0.001 1.198464,0.0116 2.398814,0.0214 3.593262,0.13082 1.144348,0.11412 2.265406,0.32093 3.389165,0.56076 0,0 -4.33591,3.05717 -4.33591,3.05717 z"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:#0fc100;fill-opacity:1;stroke:#0fc100;stroke-width:1.10000002;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="path4697"
+       d="m 44.146219,932.21551 c -0.107784,5.35743 -0.662605,10.67649 -1.61837,15.95011 -0.428551,2.36461 -0.947986,4.71185 -1.421978,7.06777 -4.104845,18.63108 -9.439769,36.95715 -14.862915,55.23781 -2.749942,9.037 -5.522889,18.09 -7.56598,27.32 -0.713635,3.224 -1.08654,5.4494 -1.658759,8.6256 -0.169921,0.9605 -0.339843,1.9211 -0.509765,2.8816 0,0 -4.361123,2.1142 -4.361123,2.1142 l 0,0 c 0.220974,-0.9846 0.441949,-1.9692 0.662923,-2.9539 0.524744,-2.458 1.362234,-6.4489 1.928252,-8.78 2.26272,-9.3189 5.220526,-18.4553 8.099274,-27.5959 1.60924,-5.2836 3.990385,-13.02382 5.495832,-18.29074 3.467709,-12.13206 6.597463,-24.37191 9.054703,-36.75099 0.407486,-2.31587 0.86962,-4.62278 1.222458,-6.9476 0.776749,-5.11793 1.163609,-10.30085 0.814439,-15.47248 0,0 4.721009,-2.40548 4.721009,-2.40548 z"
+       inkscape:connector-curvature="0" />
+    <ellipse
+       style="fill:#ff0a0a;fill-opacity:1;stroke:none;stroke-width:1.10000002;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="path4699"
+       cx="97.85714"
+       cy="985.93365"
+       rx="21.428572"
+       ry="20.357143" />
+  </g>
+</svg>
diff --git a/tool/recorder/data/reference/!_1.json b/tool/recorder/data/reference/!_1.json
new file mode 100644
index 0000000..dd2fecc
--- /dev/null
+++ b/tool/recorder/data/reference/!_1.json
@@ -0,0 +1,31 @@
+{
+	"type": "REFERENCE",
+	"value": "!",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 366.993530, 682.218628 ],
+			[ 367.633179, 672.079468 ],
+			[ 367.394409, 659.478882 ],
+			[ 366.080688, 642.606201 ],
+			[ 363.524017, 621.528442 ],
+			[ 357.823578, 584.345825 ],
+			[ 354.141296, 557.443726 ],
+			[ 351.280334, 541.585632 ],
+			[ 349.402771, 531.589600 ],
+			[ 349.037811, 524.946594 ],
+			[ 349.310272, 521.663696 ]
+		],
+		[
+			[ 353.006470, 417.689758 ],
+			[ 347.376160, 424.935547 ],
+			[ 344.607574, 429.790833 ],
+			[ 342.434204, 435.297119 ],
+			[ 341.624786, 439.240845 ],
+			[ 341.494202, 442.921753 ],
+			[ 341.670563, 442.213318 ],
+			[ 341.578949, 441.206543 ],
+			[ 341.923431, 438.989441 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/#_1.json b/tool/recorder/data/reference/#_1.json
new file mode 100644
index 0000000..f5ef844
--- /dev/null
+++ b/tool/recorder/data/reference/#_1.json
@@ -0,0 +1,55 @@
+{
+	"type": "REFERENCE",
+	"value": "#",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 349.676239, 576.273804 ],
+			[ 346.991058, 572.207214 ],
+			[ 346.385895, 563.600891 ],
+			[ 346.181793, 548.583984 ],
+			[ 343.270721, 515.944275 ],
+			[ 339.269287, 486.652283 ],
+			[ 330.280334, 443.978882 ],
+			[ 325.407928, 422.055908 ],
+			[ 321.093414, 399.257019 ],
+			[ 319.970978, 384.138428 ],
+			[ 320.793518, 375.232910 ],
+			[ 320.986298, 374.347656 ],
+			[ 321.032471, 374.135559 ]
+		],
+		[
+			[ 435.596680, 556.284241 ],
+			[ 429.475403, 545.973328 ],
+			[ 424.445953, 527.861877 ],
+			[ 414.715851, 491.689758 ],
+			[ 404.836212, 450.189453 ],
+			[ 399.419312, 420.521118 ],
+			[ 398.516876, 402.358459 ],
+			[ 397.618500, 388.509338 ],
+			[ 397.959198, 383.328430 ],
+			[ 397.991547, 382.965820 ]
+		],
+		[
+			[ 293.061981, 491.651245 ],
+			[ 312.292999, 492.335022 ],
+			[ 331.539856, 491.656128 ],
+			[ 370.972443, 489.540833 ],
+			[ 411.726501, 489.382507 ],
+			[ 440.552307, 489.367981 ],
+			[ 457.909454, 491.091187 ],
+			[ 469.059265, 493.803284 ]
+		],
+		[
+			[ 317.039795, 434.347778 ],
+			[ 323.469330, 438.204529 ],
+			[ 334.985352, 441.882507 ],
+			[ 353.848419, 445.616089 ],
+			[ 385.613281, 448.757874 ],
+			[ 421.379211, 449.876404 ],
+			[ 446.135315, 449.739136 ],
+			[ 451.872559, 449.868774 ],
+			[ 453.057556, 449.895569 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/%_1.json b/tool/recorder/data/reference/%_1.json
new file mode 100644
index 0000000..2f0be3b
--- /dev/null
+++ b/tool/recorder/data/reference/%_1.json
@@ -0,0 +1,60 @@
+{
+	"type": "REFERENCE",
+	"value": "%",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 466.901031, 628.913086 ],
+			[ 459.103577, 628.855042 ],
+			[ 453.681519, 625.447449 ],
+			[ 446.495087, 619.910034 ],
+			[ 438.411072, 611.516602 ],
+			[ 432.992737, 598.457825 ],
+			[ 432.737183, 581.663513 ],
+			[ 435.592560, 567.422058 ],
+			[ 440.990723, 559.812683 ],
+			[ 447.072815, 559.009338 ],
+			[ 452.842407, 562.093689 ],
+			[ 458.613068, 571.252625 ],
+			[ 463.826355, 586.413086 ],
+			[ 464.541656, 599.633667 ],
+			[ 463.871277, 610.767578 ],
+			[ 462.717529, 619.590942 ],
+			[ 463.128632, 622.838196 ],
+			[ 464.896271, 624.466980 ],
+			[ 465.121460, 624.832275 ]
+		],
+		[
+			[ 538.834412, 622.249878 ],
+			[ 536.783997, 614.899536 ],
+			[ 530.175598, 601.396240 ],
+			[ 514.836609, 569.875122 ],
+			[ 492.530701, 526.506104 ],
+			[ 473.959320, 491.013000 ],
+			[ 454.014587, 455.086731 ],
+			[ 446.267548, 440.505981 ],
+			[ 443.798615, 433.999023 ],
+			[ 443.072601, 431.604553 ],
+			[ 443.671967, 430.651367 ],
+			[ 444.270081, 430.275879 ]
+		],
+		[
+			[ 530.841797, 461.666870 ],
+			[ 522.530212, 467.174805 ],
+			[ 517.439636, 467.674988 ],
+			[ 510.014862, 462.064209 ],
+			[ 504.497192, 452.280396 ],
+			[ 503.219177, 439.570679 ],
+			[ 505.766785, 429.046387 ],
+			[ 511.242188, 424.513733 ],
+			[ 517.837646, 424.103516 ],
+			[ 523.470337, 427.827148 ],
+			[ 527.459106, 439.120239 ],
+			[ 527.743103, 455.936157 ],
+			[ 524.166687, 468.681335 ],
+			[ 518.087341, 475.202087 ],
+			[ 513.784119, 476.737000 ],
+			[ 513.115540, 476.967041 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/&_1.json b/tool/recorder/data/reference/&_1.json
new file mode 100644
index 0000000..79a1ca1
--- /dev/null
+++ b/tool/recorder/data/reference/&_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "&",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 404.958374, 430.349854 ],
+			[ 396.094330, 434.634033 ],
+			[ 382.820984, 443.063904 ],
+			[ 365.634186, 455.763611 ],
+			[ 343.084564, 473.003784 ],
+			[ 318.345703, 497.469727 ],
+			[ 286.489044, 538.954529 ],
+			[ 276.069702, 560.895996 ],
+			[ 272.838287, 582.112366 ],
+			[ 275.715637, 597.709961 ],
+			[ 282.325073, 612.575439 ],
+			[ 293.206146, 620.546326 ],
+			[ 305.516205, 624.635010 ],
+			[ 318.252045, 626.047363 ],
+			[ 328.035339, 623.255005 ],
+			[ 332.965057, 616.858765 ],
+			[ 332.766479, 604.272156 ],
+			[ 325.929779, 583.176147 ],
+			[ 314.335419, 561.375549 ],
+			[ 298.222473, 537.853760 ],
+			[ 275.146759, 496.818237 ],
+			[ 266.970428, 478.681213 ],
+			[ 256.643616, 443.184143 ],
+			[ 255.121063, 428.694763 ],
+			[ 258.342529, 423.425537 ],
+			[ 262.849121, 421.189514 ],
+			[ 269.064087, 423.497070 ],
+			[ 279.319275, 430.612549 ],
+			[ 295.784485, 448.718994 ],
+			[ 314.707367, 471.535034 ],
+			[ 336.054688, 494.233887 ],
+			[ 353.771729, 509.742065 ],
+			[ 355.441711, 510.597961 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/(_1.json b/tool/recorder/data/reference/(_1.json
new file mode 100644
index 0000000..af4ae1c
--- /dev/null
+++ b/tool/recorder/data/reference/(_1.json
@@ -0,0 +1,26 @@
+{
+	"type": "REFERENCE",
+	"value": "(",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 416.281219, 632.911011 ],
+			[ 410.509277, 631.628052 ],
+			[ 405.862976, 627.653320 ],
+			[ 399.657379, 621.360352 ],
+			[ 392.428375, 612.239380 ],
+			[ 384.567963, 599.727234 ],
+			[ 378.222961, 581.220398 ],
+			[ 374.178833, 557.531921 ],
+			[ 371.878296, 532.966431 ],
+			[ 372.058167, 510.006836 ],
+			[ 372.683167, 490.593872 ],
+			[ 377.367035, 472.985535 ],
+			[ 385.946228, 458.416443 ],
+			[ 398.422638, 446.480347 ],
+			[ 411.341583, 437.884521 ],
+			[ 417.254028, 434.760010 ],
+			[ 417.972839, 434.374573 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/)_1.json b/tool/recorder/data/reference/)_1.json
new file mode 100644
index 0000000..fa9b175
--- /dev/null
+++ b/tool/recorder/data/reference/)_1.json
@@ -0,0 +1,23 @@
+{
+	"type": "REFERENCE",
+	"value": ")",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 413.617035, 572.942261 ],
+			[ 419.162354, 566.244141 ],
+			[ 424.390656, 559.431458 ],
+			[ 430.614685, 546.769104 ],
+			[ 438.645630, 526.072632 ],
+			[ 446.490417, 499.883911 ],
+			[ 450.396576, 473.354614 ],
+			[ 449.545959, 454.717651 ],
+			[ 448.090546, 435.340210 ],
+			[ 442.938202, 415.004333 ],
+			[ 433.102570, 395.416931 ],
+			[ 420.286438, 381.513367 ],
+			[ 417.886719, 379.063782 ],
+			[ 417.248108, 378.411926 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/*_1.json b/tool/recorder/data/reference/*_1.json
new file mode 100644
index 0000000..336e73c
--- /dev/null
+++ b/tool/recorder/data/reference/*_1.json
@@ -0,0 +1,64 @@
+{
+	"type": "REFERENCE",
+	"value": "*",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 368.991669, 524.300903 ],
+			[ 368.347473, 520.430725 ],
+			[ 368.328888, 511.244324 ],
+			[ 368.943115, 499.645020 ],
+			[ 368.548370, 484.582520 ],
+			[ 367.169373, 465.662720 ],
+			[ 365.486908, 449.820679 ],
+			[ 362.924652, 437.197449 ],
+			[ 361.057281, 431.973694 ],
+			[ 358.613922, 427.130554 ],
+			[ 356.435547, 423.450745 ],
+			[ 355.183075, 421.662598 ],
+			[ 353.170746, 419.484497 ],
+			[ 352.538330, 419.009155 ]
+		],
+		[
+			[ 301.720642, 474.326904 ],
+			[ 308.570740, 474.958374 ],
+			[ 317.449646, 475.026184 ],
+			[ 329.564789, 473.891174 ],
+			[ 345.025879, 472.766052 ],
+			[ 362.035095, 472.294067 ],
+			[ 378.522491, 471.993896 ],
+			[ 390.913879, 472.410583 ],
+			[ 401.203217, 473.461548 ],
+			[ 406.486145, 475.930115 ],
+			[ 406.691925, 476.074524 ]
+		],
+		[
+			[ 419.611481, 514.972412 ],
+			[ 411.625793, 511.300781 ],
+			[ 405.760132, 505.942261 ],
+			[ 395.776733, 497.314270 ],
+			[ 384.086151, 485.337646 ],
+			[ 369.036591, 468.544312 ],
+			[ 354.181213, 452.391785 ],
+			[ 342.637177, 439.416809 ],
+			[ 330.700287, 428.845032 ],
+			[ 320.413727, 422.057861 ],
+			[ 311.588989, 418.720276 ],
+			[ 311.019684, 418.815308 ],
+			[ 310.322510, 419.440857 ]
+		],
+		[
+			[ 315.041626, 505.643921 ],
+			[ 318.947784, 504.993103 ],
+			[ 323.424866, 501.782593 ],
+			[ 330.268524, 495.340271 ],
+			[ 340.071167, 485.630798 ],
+			[ 354.254333, 470.193481 ],
+			[ 370.514343, 453.870789 ],
+			[ 386.389709, 441.602539 ],
+			[ 399.059814, 433.210022 ],
+			[ 401.534882, 431.488831 ],
+			[ 402.219574, 431.012695 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/+_1.json b/tool/recorder/data/reference/+_1.json
new file mode 100644
index 0000000..05b8642
--- /dev/null
+++ b/tool/recorder/data/reference/+_1.json
@@ -0,0 +1,32 @@
+{
+	"type": "REFERENCE",
+	"value": "+",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 306.382996, 488.985962 ],
+			[ 314.700439, 488.614197 ],
+			[ 325.949219, 487.384949 ],
+			[ 341.498962, 486.280029 ],
+			[ 361.072266, 486.047180 ],
+			[ 381.410919, 485.328796 ],
+			[ 399.501587, 486.919006 ],
+			[ 412.854340, 491.822144 ],
+			[ 414.396820, 494.393616 ],
+			[ 414.668915, 494.657166 ]
+		],
+		[
+			[ 364.329315, 551.619995 ],
+			[ 361.115112, 545.710144 ],
+			[ 360.783264, 531.449463 ],
+			[ 361.919647, 512.493225 ],
+			[ 364.789062, 474.242004 ],
+			[ 367.097748, 448.042297 ],
+			[ 368.160583, 432.594299 ],
+			[ 367.297089, 419.535278 ],
+			[ 365.986664, 411.332703 ],
+			[ 365.755157, 410.512390 ],
+			[ 365.688782, 410.277100 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/,_1.json b/tool/recorder/data/reference/,_1.json
new file mode 100644
index 0000000..804087e
--- /dev/null
+++ b/tool/recorder/data/reference/,_1.json
@@ -0,0 +1,15 @@
+{
+	"type": "REFERENCE",
+	"value": ",",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 377.650330, 413.691833 ],
+			[ 375.184113, 401.202332 ],
+			[ 370.301758, 391.108765 ],
+			[ 361.702148, 377.867859 ],
+			[ 348.206116, 361.559753 ],
+			[ 331.921661, 348.066772 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/-_1.json b/tool/recorder/data/reference/-_1.json
new file mode 100644
index 0000000..ffa561a
--- /dev/null
+++ b/tool/recorder/data/reference/-_1.json
@@ -0,0 +1,18 @@
+{
+	"type": "REFERENCE",
+	"value": "-",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 287.067535, 501.646057 ],
+			[ 292.356781, 496.572754 ],
+			[ 298.824738, 493.903015 ],
+			[ 309.686676, 490.901489 ],
+			[ 322.595917, 487.940125 ],
+			[ 337.465881, 484.785278 ],
+			[ 354.584137, 483.328735 ],
+			[ 356.003174, 483.307556 ],
+			[ 357.598907, 483.607361 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/-_2.json b/tool/recorder/data/reference/-_2.json
new file mode 100644
index 0000000..944c698
--- /dev/null
+++ b/tool/recorder/data/reference/-_2.json
@@ -0,0 +1,15 @@
+{
+	"type": "REFERENCE",
+	"value": "-",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 307.049042, 469.662720 ],
+			[ 317.398560, 471.336487 ],
+			[ 330.688934, 471.739319 ],
+			[ 348.259766, 472.132507 ],
+			[ 361.761108, 471.830444 ],
+			[ 366.523041, 471.761292 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/0_1.json b/tool/recorder/data/reference/0_1.json
new file mode 100644
index 0000000..a31d75c
--- /dev/null
+++ b/tool/recorder/data/reference/0_1.json
@@ -0,0 +1,33 @@
+{
+	"type": "REFERENCE",
+	"value": "0",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 377.650330, 600.261353 ],
+			[ 373.142761, 600.905640 ],
+			[ 367.486084, 600.901794 ],
+			[ 359.477478, 599.447998 ],
+			[ 349.032654, 594.380249 ],
+			[ 337.228760, 581.742004 ],
+			[ 327.836151, 559.622009 ],
+			[ 321.060883, 513.794250 ],
+			[ 323.918671, 469.219971 ],
+			[ 332.458862, 449.172791 ],
+			[ 344.231140, 434.974487 ],
+			[ 356.905121, 431.705933 ],
+			[ 370.026367, 434.684509 ],
+			[ 379.030182, 445.100586 ],
+			[ 387.367188, 467.078735 ],
+			[ 392.660645, 507.546448 ],
+			[ 391.597961, 552.005005 ],
+			[ 386.828552, 593.053650 ],
+			[ 382.321320, 612.796753 ],
+			[ 378.255646, 619.591064 ],
+			[ 373.807953, 622.989136 ],
+			[ 374.837067, 622.247192 ],
+			[ 374.829987, 622.252258 ],
+			[ 374.824585, 622.256165 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/0_2.json b/tool/recorder/data/reference/0_2.json
new file mode 100644
index 0000000..4560ea4
--- /dev/null
+++ b/tool/recorder/data/reference/0_2.json
@@ -0,0 +1,58 @@
+{
+	"type": "REFERENCE",
+	"value": "0",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 399.629974, 595.597107 ],
+			[ 395.852814, 596.226807 ],
+			[ 390.511780, 597.412354 ],
+			[ 384.031189, 596.998779 ],
+			[ 374.979248, 596.567017 ],
+			[ 363.492004, 592.022827 ],
+			[ 352.058044, 580.160156 ],
+			[ 342.009705, 561.878906 ],
+			[ 335.090942, 540.995300 ],
+			[ 331.314178, 518.261108 ],
+			[ 330.702332, 497.163086 ],
+			[ 331.996368, 477.928406 ],
+			[ 335.645264, 459.488647 ],
+			[ 342.720245, 444.502441 ],
+			[ 352.627808, 437.566467 ],
+			[ 363.841217, 433.666443 ],
+			[ 373.912933, 435.395691 ],
+			[ 384.871857, 439.092102 ],
+			[ 393.491821, 445.791565 ],
+			[ 402.545258, 456.866943 ],
+			[ 410.376892, 470.507996 ],
+			[ 416.419525, 483.767212 ],
+			[ 421.690247, 499.528381 ],
+			[ 425.120300, 519.049133 ],
+			[ 425.230011, 537.837402 ],
+			[ 423.372162, 551.831177 ],
+			[ 418.225372, 564.291382 ],
+			[ 408.553619, 577.310425 ],
+			[ 399.127594, 585.747742 ],
+			[ 391.669769, 589.160156 ],
+			[ 387.011688, 588.194763 ],
+			[ 384.959900, 587.114563 ],
+			[ 384.312134, 586.785278 ]
+		],
+		[
+			[ 452.913971, 600.927612 ],
+			[ 447.486237, 601.703613 ],
+			[ 443.182495, 599.836365 ],
+			[ 435.230011, 593.513977 ],
+			[ 426.069244, 582.636536 ],
+			[ 412.561127, 566.313965 ],
+			[ 395.401917, 545.267456 ],
+			[ 366.927277, 508.521484 ],
+			[ 348.454193, 485.348694 ],
+			[ 333.946442, 465.159302 ],
+			[ 320.806976, 444.760071 ],
+			[ 314.456268, 430.046448 ],
+			[ 311.894836, 424.620117 ],
+			[ 311.912323, 423.108215 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/1_1.json b/tool/recorder/data/reference/1_1.json
new file mode 100644
index 0000000..b25bc5f
--- /dev/null
+++ b/tool/recorder/data/reference/1_1.json
@@ -0,0 +1,39 @@
+{
+	"type": "REFERENCE",
+	"value": "1",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 319.037933, 566.945374 ],
+			[ 319.806335, 562.332458 ],
+			[ 321.462585, 561.414917 ],
+			[ 323.692291, 561.879150 ],
+			[ 328.334320, 564.267456 ],
+			[ 334.545410, 569.375488 ],
+			[ 342.641968, 576.717529 ],
+			[ 352.738129, 586.199585 ],
+			[ 363.251892, 596.562866 ],
+			[ 373.101349, 605.875488 ],
+			[ 381.395386, 613.834717 ],
+			[ 387.540009, 619.495483 ],
+			[ 391.734497, 622.247681 ],
+			[ 393.505341, 622.066101 ],
+			[ 394.910004, 619.482117 ],
+			[ 396.269562, 611.445679 ],
+			[ 396.481079, 592.753662 ],
+			[ 396.976166, 571.761719 ],
+			[ 398.558594, 534.460449 ],
+			[ 399.484100, 508.816528 ],
+			[ 401.254028, 488.284668 ],
+			[ 402.779755, 472.732971 ],
+			[ 405.055756, 454.522400 ],
+			[ 406.298340, 440.612061 ],
+			[ 407.512878, 428.925293 ],
+			[ 408.976898, 419.690918 ],
+			[ 410.501404, 411.157593 ],
+			[ 411.081177, 407.073669 ],
+			[ 412.507599, 405.560608 ],
+			[ 415.083374, 402.761658 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/2_1.json b/tool/recorder/data/reference/2_1.json
new file mode 100644
index 0000000..70827c5
--- /dev/null
+++ b/tool/recorder/data/reference/2_1.json
@@ -0,0 +1,37 @@
+{
+	"type": "REFERENCE",
+	"value": "2",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 353.006470, 582.937012 ],
+			[ 349.431274, 585.798157 ],
+			[ 353.337738, 589.808777 ],
+			[ 359.567078, 592.843018 ],
+			[ 367.889679, 595.670166 ],
+			[ 379.964569, 597.301758 ],
+			[ 393.481812, 597.126465 ],
+			[ 406.461578, 594.338623 ],
+			[ 415.272156, 586.643311 ],
+			[ 420.602356, 570.742371 ],
+			[ 420.369995, 549.231262 ],
+			[ 415.541718, 527.341125 ],
+			[ 404.863617, 502.889526 ],
+			[ 393.258850, 485.312317 ],
+			[ 380.387024, 468.906738 ],
+			[ 369.539124, 457.569763 ],
+			[ 361.680084, 450.237244 ],
+			[ 355.744781, 446.441101 ],
+			[ 354.841064, 445.837891 ],
+			[ 354.671661, 445.724854 ],
+			[ 354.772949, 445.792419 ],
+			[ 360.386566, 445.899048 ],
+			[ 372.622253, 445.873962 ],
+			[ 393.046906, 442.084534 ],
+			[ 416.186432, 435.342468 ],
+			[ 441.302399, 428.904419 ],
+			[ 456.663727, 427.935242 ],
+			[ 469.085083, 429.307068 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/2_2.json b/tool/recorder/data/reference/2_2.json
new file mode 100644
index 0000000..9db6cca
--- /dev/null
+++ b/tool/recorder/data/reference/2_2.json
@@ -0,0 +1,39 @@
+{
+	"type": "REFERENCE",
+	"value": "2",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 370.989838, 576.273804 ],
+			[ 362.412170, 582.969971 ],
+			[ 356.675262, 587.810669 ],
+			[ 351.546356, 595.425171 ],
+			[ 347.189789, 605.248596 ],
+			[ 345.927155, 616.204224 ],
+			[ 349.659515, 628.463257 ],
+			[ 358.026245, 636.084717 ],
+			[ 369.451508, 638.653320 ],
+			[ 381.950104, 632.312378 ],
+			[ 392.104095, 618.658081 ],
+			[ 398.503784, 598.578735 ],
+			[ 399.449158, 574.240784 ],
+			[ 394.886627, 551.095337 ],
+			[ 385.056488, 525.860229 ],
+			[ 373.529083, 504.724182 ],
+			[ 359.665588, 488.385498 ],
+			[ 346.031036, 474.275085 ],
+			[ 336.167297, 465.925903 ],
+			[ 328.396667, 460.007996 ],
+			[ 325.405182, 459.218506 ],
+			[ 324.932159, 458.078003 ],
+			[ 328.713318, 454.927490 ],
+			[ 337.317078, 448.497925 ],
+			[ 351.768951, 438.928284 ],
+			[ 367.864441, 431.465271 ],
+			[ 387.735443, 427.959839 ],
+			[ 405.883362, 430.417542 ],
+			[ 420.585754, 437.605652 ],
+			[ 422.417908, 440.321472 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/3_1.json b/tool/recorder/data/reference/3_1.json
new file mode 100644
index 0000000..aa7958a
--- /dev/null
+++ b/tool/recorder/data/reference/3_1.json
@@ -0,0 +1,38 @@
+{
+	"type": "REFERENCE",
+	"value": "3",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 319.703979, 601.593994 ],
+			[ 327.143707, 605.959717 ],
+			[ 337.152191, 608.755188 ],
+			[ 351.882782, 611.380615 ],
+			[ 369.474396, 611.835205 ],
+			[ 388.975983, 611.187561 ],
+			[ 406.597870, 607.911621 ],
+			[ 417.227814, 602.033630 ],
+			[ 420.546631, 592.296265 ],
+			[ 415.312317, 575.915894 ],
+			[ 403.368683, 556.653625 ],
+			[ 388.974487, 540.816406 ],
+			[ 373.448395, 524.974365 ],
+			[ 361.979553, 515.331482 ],
+			[ 356.674957, 512.402405 ],
+			[ 354.812042, 511.351440 ],
+			[ 359.075470, 512.685120 ],
+			[ 377.156433, 514.740173 ],
+			[ 396.172852, 511.580994 ],
+			[ 411.344574, 502.828857 ],
+			[ 422.109283, 489.826416 ],
+			[ 424.618683, 472.566589 ],
+			[ 418.337494, 453.120117 ],
+			[ 406.914398, 437.251343 ],
+			[ 392.438690, 426.268677 ],
+			[ 377.567871, 416.761719 ],
+			[ 369.715149, 419.033142 ],
+			[ 366.073212, 420.903076 ],
+			[ 365.700073, 421.041504 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/3_2.json b/tool/recorder/data/reference/3_2.json
new file mode 100644
index 0000000..a224d40
--- /dev/null
+++ b/tool/recorder/data/reference/3_2.json
@@ -0,0 +1,65 @@
+{
+	"type": "REFERENCE",
+	"value": "3",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 295.060120, 668.934937 ],
+			[ 299.160400, 668.934998 ],
+			[ 302.357147, 668.935242 ],
+			[ 307.225677, 668.935852 ],
+			[ 313.930145, 669.586243 ],
+			[ 323.915558, 669.033325 ],
+			[ 337.236206, 668.248474 ],
+			[ 351.973999, 668.022949 ],
+			[ 367.691803, 667.236023 ],
+			[ 384.643433, 665.705994 ],
+			[ 398.617462, 663.177795 ],
+			[ 408.162231, 660.948853 ],
+			[ 415.600830, 659.665466 ],
+			[ 420.018066, 658.550903 ],
+			[ 421.419250, 657.574097 ],
+			[ 421.646057, 655.345276 ],
+			[ 420.783844, 651.788757 ],
+			[ 417.712646, 647.489563 ],
+			[ 410.167999, 640.816345 ],
+			[ 397.673370, 632.930176 ],
+			[ 383.798279, 624.761658 ],
+			[ 370.307281, 616.618469 ],
+			[ 356.159393, 605.782959 ],
+			[ 344.706482, 597.489380 ],
+			[ 334.923950, 590.016724 ],
+			[ 328.097382, 584.966187 ],
+			[ 323.573029, 581.457520 ],
+			[ 320.953674, 579.771667 ],
+			[ 319.565979, 578.811035 ],
+			[ 318.775757, 578.255249 ],
+			[ 319.198090, 578.552307 ],
+			[ 321.675079, 578.661377 ],
+			[ 329.590607, 579.758484 ],
+			[ 340.647308, 580.797791 ],
+			[ 355.294739, 582.595276 ],
+			[ 368.860809, 582.917664 ],
+			[ 382.488281, 581.194946 ],
+			[ 393.025024, 578.302734 ],
+			[ 401.062561, 573.258545 ],
+			[ 405.232239, 566.717041 ],
+			[ 406.233704, 555.209106 ],
+			[ 404.698914, 542.629883 ],
+			[ 400.965881, 529.764709 ],
+			[ 394.108063, 518.295044 ],
+			[ 383.912292, 507.600708 ],
+			[ 371.760742, 496.328918 ],
+			[ 361.711731, 486.712891 ],
+			[ 351.757507, 480.697693 ],
+			[ 340.791321, 476.571960 ],
+			[ 332.574036, 477.696899 ],
+			[ 324.246887, 480.949463 ],
+			[ 317.008118, 484.652710 ],
+			[ 311.837952, 489.111145 ],
+			[ 305.922333, 494.385986 ],
+			[ 305.387115, 494.867615 ],
+			[ 304.910736, 495.296326 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/3_3.json b/tool/recorder/data/reference/3_3.json
new file mode 100644
index 0000000..2a1e79b
--- /dev/null
+++ b/tool/recorder/data/reference/3_3.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "3",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 331.692871, 606.258179 ],
+			[ 341.117828, 612.264282 ],
+			[ 350.010162, 616.038452 ],
+			[ 359.939850, 619.164673 ],
+			[ 371.637909, 621.010986 ],
+			[ 384.973846, 620.664062 ],
+			[ 396.809387, 619.458496 ],
+			[ 402.347626, 615.723145 ],
+			[ 404.253326, 608.491943 ],
+			[ 400.411957, 594.918457 ],
+			[ 392.214691, 577.351318 ],
+			[ 380.842102, 562.312317 ],
+			[ 367.692230, 550.607056 ],
+			[ 356.391144, 543.925293 ],
+			[ 349.190369, 541.465393 ],
+			[ 344.779419, 541.400757 ],
+			[ 345.321838, 541.368347 ],
+			[ 346.981476, 544.911072 ],
+			[ 351.577484, 551.369690 ],
+			[ 365.643433, 562.911011 ],
+			[ 381.741333, 565.894043 ],
+			[ 398.537262, 560.942749 ],
+			[ 415.530945, 548.529236 ],
+			[ 424.688446, 534.060181 ],
+			[ 430.210388, 515.406738 ],
+			[ 427.856323, 501.064697 ],
+			[ 422.547577, 488.456604 ],
+			[ 412.102386, 479.023010 ],
+			[ 398.623260, 472.795532 ],
+			[ 385.011597, 469.039551 ],
+			[ 370.687164, 464.936768 ],
+			[ 367.872284, 464.385437 ],
+			[ 367.325073, 464.278259 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/4_1.json b/tool/recorder/data/reference/4_1.json
new file mode 100644
index 0000000..5177fd8
--- /dev/null
+++ b/tool/recorder/data/reference/4_1.json
@@ -0,0 +1,43 @@
+{
+	"type": "REFERENCE",
+	"value": "4",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 353.672516, 622.249878 ],
+			[ 350.914246, 618.800659 ],
+			[ 345.779358, 615.373108 ],
+			[ 340.698120, 609.704712 ],
+			[ 332.582733, 599.604980 ],
+			[ 321.909912, 585.508972 ],
+			[ 307.996002, 568.265442 ],
+			[ 294.654816, 553.002747 ],
+			[ 285.802185, 543.758850 ],
+			[ 281.724823, 536.759521 ],
+			[ 282.512909, 530.732849 ],
+			[ 287.833984, 525.999695 ],
+			[ 304.531342, 521.918335 ],
+			[ 324.390564, 519.383606 ],
+			[ 346.687744, 520.162537 ],
+			[ 369.714874, 521.017517 ],
+			[ 387.756409, 521.429565 ],
+			[ 402.981415, 518.950195 ],
+			[ 411.541962, 516.733765 ],
+			[ 417.896362, 515.209839 ],
+			[ 420.261780, 515.632202 ]
+		],
+		[
+			[ 363.663269, 567.611694 ],
+			[ 362.493195, 561.062683 ],
+			[ 361.843262, 553.165344 ],
+			[ 360.871674, 539.003113 ],
+			[ 357.736664, 520.405151 ],
+			[ 350.609924, 489.012512 ],
+			[ 342.004272, 451.342896 ],
+			[ 338.642792, 435.928650 ],
+			[ 337.382385, 419.903564 ],
+			[ 337.888489, 413.324707 ],
+			[ 337.927124, 412.433960 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/4_2.json b/tool/recorder/data/reference/4_2.json
new file mode 100644
index 0000000..9041ec0
--- /dev/null
+++ b/tool/recorder/data/reference/4_2.json
@@ -0,0 +1,40 @@
+{
+	"type": "REFERENCE",
+	"value": "4",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 364.995361, 631.578369 ],
+			[ 361.084381, 624.278564 ],
+			[ 359.185577, 616.474731 ],
+			[ 357.144257, 605.222229 ],
+			[ 354.448151, 590.715210 ],
+			[ 351.997894, 573.001587 ],
+			[ 349.614899, 557.555237 ],
+			[ 349.833954, 545.444519 ],
+			[ 353.351807, 537.045166 ],
+			[ 361.928223, 531.128479 ],
+			[ 375.012695, 525.075745 ],
+			[ 390.331024, 522.957764 ],
+			[ 403.735962, 523.582520 ],
+			[ 416.624725, 525.247192 ],
+			[ 426.459839, 528.788513 ],
+			[ 427.601593, 529.172668 ],
+			[ 427.939819, 529.286499 ]
+		],
+		[
+			[ 437.594818, 626.247803 ],
+			[ 435.940887, 618.238159 ],
+			[ 435.506714, 608.964478 ],
+			[ 435.406982, 592.151245 ],
+			[ 434.082672, 561.144958 ],
+			[ 432.888031, 524.000549 ],
+			[ 430.469147, 483.993530 ],
+			[ 426.543091, 448.218994 ],
+			[ 423.599792, 436.343262 ],
+			[ 419.582336, 423.370850 ],
+			[ 417.511230, 414.860901 ],
+			[ 417.282806, 413.936279 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/5_1.json b/tool/recorder/data/reference/5_1.json
new file mode 100644
index 0000000..05f00ab
--- /dev/null
+++ b/tool/recorder/data/reference/5_1.json
@@ -0,0 +1,45 @@
+{
+	"type": "REFERENCE",
+	"value": "5",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 335.689178, 669.601257 ],
+			[ 334.918213, 674.226562 ],
+			[ 335.655060, 665.664490 ],
+			[ 335.538666, 655.149292 ],
+			[ 334.689667, 643.037354 ],
+			[ 332.828949, 628.242737 ],
+			[ 329.778168, 613.570862 ],
+			[ 326.282410, 600.349060 ],
+			[ 324.576996, 591.326050 ],
+			[ 324.962952, 586.082031 ],
+			[ 326.132843, 584.574829 ],
+			[ 330.439301, 585.137817 ],
+			[ 337.177277, 586.565613 ],
+			[ 348.917053, 589.259033 ],
+			[ 362.945435, 591.275635 ],
+			[ 374.548859, 587.788513 ],
+			[ 386.045074, 579.053772 ],
+			[ 395.886719, 564.875610 ],
+			[ 400.504456, 547.129395 ],
+			[ 400.527130, 528.490601 ],
+			[ 396.879028, 511.169922 ],
+			[ 389.150482, 495.211365 ],
+			[ 379.263824, 481.196106 ],
+			[ 368.891296, 473.182922 ],
+			[ 358.031311, 470.977051 ],
+			[ 346.879089, 478.600830 ],
+			[ 335.476013, 494.751343 ]
+		],
+		[
+			[ 341.017578, 662.938049 ],
+			[ 349.132202, 664.988831 ],
+			[ 360.285767, 664.422729 ],
+			[ 377.344818, 663.722656 ],
+			[ 397.267639, 664.616577 ],
+			[ 413.365997, 666.910583 ],
+			[ 416.333588, 667.689270 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/5_2.json b/tool/recorder/data/reference/5_2.json
new file mode 100644
index 0000000..40f68b0
--- /dev/null
+++ b/tool/recorder/data/reference/5_2.json
@@ -0,0 +1,47 @@
+{
+	"type": "REFERENCE",
+	"value": "5",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 392.969482, 624.915161 ],
+			[ 389.820343, 620.977173 ],
+			[ 385.822205, 619.690002 ],
+			[ 379.931854, 618.262329 ],
+			[ 368.626587, 615.756958 ],
+			[ 353.694794, 612.158325 ],
+			[ 334.116669, 607.310730 ],
+			[ 313.945984, 602.295349 ],
+			[ 296.995026, 597.490479 ],
+			[ 287.413544, 595.060059 ],
+			[ 282.981140, 594.384888 ],
+			[ 282.719604, 593.842896 ],
+			[ 282.632477, 593.532654 ],
+			[ 285.673706, 590.421143 ],
+			[ 292.816284, 578.351440 ],
+			[ 299.826385, 563.693542 ],
+			[ 305.901398, 548.968323 ],
+			[ 309.477966, 538.922729 ],
+			[ 312.107239, 531.070190 ],
+			[ 312.722168, 528.254150 ],
+			[ 312.261993, 526.033691 ],
+			[ 312.278534, 523.951965 ],
+			[ 314.654999, 524.392090 ],
+			[ 322.357056, 527.931824 ],
+			[ 334.660339, 530.247009 ],
+			[ 347.268707, 530.161072 ],
+			[ 361.617371, 527.229187 ],
+			[ 375.473999, 519.305603 ],
+			[ 386.878052, 507.844360 ],
+			[ 391.618347, 494.901428 ],
+			[ 392.023804, 479.833740 ],
+			[ 385.736481, 467.182434 ],
+			[ 376.237640, 455.385742 ],
+			[ 362.125854, 445.999512 ],
+			[ 346.586609, 438.805847 ],
+			[ 331.922455, 434.848816 ],
+			[ 325.239014, 433.337463 ],
+			[ 324.563019, 433.182251 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/6_1.json b/tool/recorder/data/reference/6_1.json
new file mode 100644
index 0000000..c7f93b6
--- /dev/null
+++ b/tool/recorder/data/reference/6_1.json
@@ -0,0 +1,36 @@
+{
+	"type": "REFERENCE",
+	"value": "6",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 376.318237, 633.577271 ],
+			[ 374.294861, 637.625427 ],
+			[ 369.846741, 636.681030 ],
+			[ 362.287018, 632.109131 ],
+			[ 351.871460, 621.270752 ],
+			[ 337.676727, 603.868042 ],
+			[ 316.271820, 568.927551 ],
+			[ 298.451569, 525.436157 ],
+			[ 290.799316, 495.690552 ],
+			[ 292.234161, 475.169678 ],
+			[ 297.286285, 456.163147 ],
+			[ 307.036255, 441.166992 ],
+			[ 319.726990, 431.673767 ],
+			[ 333.282043, 428.093567 ],
+			[ 347.756531, 427.867798 ],
+			[ 360.406189, 432.063843 ],
+			[ 368.147552, 441.429626 ],
+			[ 372.594238, 455.819031 ],
+			[ 370.248993, 469.911194 ],
+			[ 365.670288, 482.535583 ],
+			[ 358.077484, 493.242981 ],
+			[ 346.278809, 505.309021 ],
+			[ 334.047485, 514.635254 ],
+			[ 324.313324, 519.143738 ],
+			[ 313.443787, 517.264954 ],
+			[ 306.004120, 512.357544 ],
+			[ 305.617676, 510.691956 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/7_1.json b/tool/recorder/data/reference/7_1.json
new file mode 100644
index 0000000..7e098b7
--- /dev/null
+++ b/tool/recorder/data/reference/7_1.json
@@ -0,0 +1,45 @@
+{
+	"type": "REFERENCE",
+	"value": "7",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 339.685486, 597.596069 ],
+			[ 335.068787, 597.595947 ],
+			[ 331.264771, 597.594849 ],
+			[ 329.165161, 596.151367 ],
+			[ 334.949799, 600.986145 ],
+			[ 340.588409, 604.239136 ],
+			[ 347.590790, 607.759766 ],
+			[ 360.369324, 612.475159 ],
+			[ 371.795654, 614.649231 ],
+			[ 382.142609, 617.286926 ],
+			[ 389.340912, 618.533630 ],
+			[ 394.679535, 620.226318 ],
+			[ 398.008972, 620.867493 ],
+			[ 400.065887, 621.235107 ],
+			[ 401.026123, 621.406677 ],
+			[ 400.620361, 617.403259 ],
+			[ 400.206177, 609.755432 ],
+			[ 400.863220, 592.399658 ],
+			[ 401.617401, 563.861450 ],
+			[ 402.617584, 523.216064 ],
+			[ 401.195496, 499.258545 ],
+			[ 398.917603, 479.212280 ],
+			[ 394.812683, 462.096619 ],
+			[ 391.385834, 448.529541 ],
+			[ 390.154602, 441.855469 ],
+			[ 390.237701, 441.038269 ]
+		],
+		[
+			[ 348.344116, 514.972412 ],
+			[ 357.539001, 514.938843 ],
+			[ 369.724213, 515.032898 ],
+			[ 385.118591, 516.324890 ],
+			[ 403.662109, 518.410583 ],
+			[ 424.613953, 522.489502 ],
+			[ 433.321899, 523.393677 ],
+			[ 434.915222, 523.308594 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/7_2.json b/tool/recorder/data/reference/7_2.json
new file mode 100644
index 0000000..1badc0f
--- /dev/null
+++ b/tool/recorder/data/reference/7_2.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "7",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 288.399628, 626.914124 ],
+			[ 294.289062, 622.961914 ],
+			[ 302.158417, 620.681396 ],
+			[ 316.127228, 619.336731 ],
+			[ 333.186066, 618.985107 ],
+			[ 354.750488, 620.527466 ],
+			[ 374.681427, 622.550781 ],
+			[ 391.154938, 624.303711 ],
+			[ 403.878815, 625.256958 ],
+			[ 409.935883, 625.746887 ],
+			[ 412.579407, 625.516113 ],
+			[ 412.710205, 624.536987 ],
+			[ 410.780975, 620.980835 ],
+			[ 407.088501, 613.976807 ],
+			[ 400.998535, 599.822388 ],
+			[ 393.374451, 580.451233 ],
+			[ 384.574432, 562.045166 ],
+			[ 375.101501, 542.766846 ],
+			[ 362.602112, 519.324829 ],
+			[ 342.500000, 481.757812 ],
+			[ 333.890778, 460.798279 ],
+			[ 325.798981, 443.084534 ],
+			[ 316.710388, 423.763367 ],
+			[ 306.313782, 409.036560 ]
+		],
+		[
+			[ 303.718781, 538.959961 ],
+			[ 309.624451, 539.619141 ],
+			[ 321.901367, 539.676025 ],
+			[ 340.200439, 539.757141 ],
+			[ 363.306000, 539.289551 ],
+			[ 363.619812, 539.277344 ],
+			[ 368.344879, 539.056030 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/8_1.json b/tool/recorder/data/reference/8_1.json
new file mode 100644
index 0000000..cae3de8
--- /dev/null
+++ b/tool/recorder/data/reference/8_1.json
@@ -0,0 +1,40 @@
+{
+	"type": "REFERENCE",
+	"value": "8",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 367.659576, 622.916199 ],
+			[ 360.178101, 625.486816 ],
+			[ 355.021912, 623.060425 ],
+			[ 346.714539, 616.675415 ],
+			[ 336.761292, 605.260010 ],
+			[ 327.384247, 590.158142 ],
+			[ 322.745148, 576.266602 ],
+			[ 324.171844, 565.711914 ],
+			[ 329.234192, 555.722229 ],
+			[ 341.002625, 547.169800 ],
+			[ 353.961182, 535.823730 ],
+			[ 369.711029, 512.513672 ],
+			[ 385.017639, 470.948792 ],
+			[ 384.204071, 450.820251 ],
+			[ 379.553192, 434.201721 ],
+			[ 370.856903, 420.450012 ],
+			[ 359.419098, 410.904053 ],
+			[ 348.129700, 403.515747 ],
+			[ 338.252869, 400.687927 ],
+			[ 331.597809, 403.383179 ],
+			[ 330.318817, 415.388245 ],
+			[ 333.261688, 439.639954 ],
+			[ 344.481567, 482.293152 ],
+			[ 358.510101, 526.786865 ],
+			[ 371.966461, 568.119934 ],
+			[ 380.865570, 602.827393 ],
+			[ 382.505188, 621.609680 ],
+			[ 379.488129, 627.769287 ],
+			[ 374.307007, 632.833252 ],
+			[ 374.123535, 632.979736 ],
+			[ 373.826660, 633.216797 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/8_2.json b/tool/recorder/data/reference/8_2.json
new file mode 100644
index 0000000..436ba76
--- /dev/null
+++ b/tool/recorder/data/reference/8_2.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "8",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 349.010193, 634.909912 ],
+			[ 341.804626, 637.451294 ],
+			[ 335.101013, 636.654541 ],
+			[ 324.676086, 633.252502 ],
+			[ 312.066498, 622.728882 ],
+			[ 302.327576, 608.741211 ],
+			[ 301.483795, 596.424744 ],
+			[ 303.274261, 581.079895 ],
+			[ 312.121704, 564.912476 ],
+			[ 325.220642, 544.260620 ],
+			[ 339.288757, 518.603638 ],
+			[ 356.980865, 480.947388 ],
+			[ 361.244385, 467.764099 ],
+			[ 358.829285, 457.211792 ],
+			[ 353.620880, 448.379150 ],
+			[ 346.099609, 442.519592 ],
+			[ 335.521210, 438.159546 ],
+			[ 324.918945, 436.445557 ],
+			[ 316.268097, 436.751587 ],
+			[ 311.722717, 438.885193 ],
+			[ 309.158051, 443.881775 ],
+			[ 309.639984, 458.976990 ],
+			[ 316.127167, 477.507324 ],
+			[ 325.549927, 499.129517 ],
+			[ 336.147888, 524.906128 ],
+			[ 346.960663, 547.885925 ],
+			[ 356.049835, 571.202637 ],
+			[ 361.996246, 590.136597 ],
+			[ 364.392456, 606.848511 ],
+			[ 363.359711, 618.099487 ],
+			[ 359.362091, 631.250610 ],
+			[ 358.486206, 633.002319 ],
+			[ 358.256592, 633.461426 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/9_1.json b/tool/recorder/data/reference/9_1.json
new file mode 100644
index 0000000..edca701
--- /dev/null
+++ b/tool/recorder/data/reference/9_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "9",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 386.975037, 610.922485 ],
+			[ 380.922333, 610.922363 ],
+			[ 375.046997, 611.372131 ],
+			[ 367.421753, 611.585754 ],
+			[ 357.303467, 610.009338 ],
+			[ 347.114807, 604.292908 ],
+			[ 339.334930, 589.164856 ],
+			[ 335.173828, 571.011963 ],
+			[ 334.130585, 555.147034 ],
+			[ 336.490417, 546.755859 ],
+			[ 340.745941, 541.778687 ],
+			[ 347.536011, 541.995850 ],
+			[ 359.426758, 545.999634 ],
+			[ 372.515564, 555.166321 ],
+			[ 383.334961, 571.116760 ],
+			[ 391.167633, 588.143372 ],
+			[ 396.348541, 603.671753 ],
+			[ 396.930450, 614.267700 ],
+			[ 396.220856, 622.044922 ],
+			[ 396.144318, 624.080627 ],
+			[ 396.190369, 623.130981 ],
+			[ 396.985107, 609.127808 ],
+			[ 399.033081, 586.099426 ],
+			[ 401.158386, 558.702820 ],
+			[ 403.601196, 517.404236 ],
+			[ 403.484161, 496.293274 ],
+			[ 402.928711, 475.444824 ],
+			[ 399.098969, 458.419373 ],
+			[ 390.386353, 447.406738 ],
+			[ 376.162231, 441.886536 ],
+			[ 359.097931, 440.840942 ],
+			[ 344.965271, 442.386169 ],
+			[ 343.738556, 443.996216 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/9_2.json b/tool/recorder/data/reference/9_2.json
new file mode 100644
index 0000000..869b024
--- /dev/null
+++ b/tool/recorder/data/reference/9_2.json
@@ -0,0 +1,54 @@
+{
+	"type": "REFERENCE",
+	"value": "9",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 375.652161, 679.596069 ],
+			[ 366.330841, 681.513062 ],
+			[ 360.402771, 681.646667 ],
+			[ 351.794922, 678.506897 ],
+			[ 341.093475, 669.561951 ],
+			[ 329.900757, 656.814331 ],
+			[ 321.488342, 641.745789 ],
+			[ 316.466888, 628.965271 ],
+			[ 314.688446, 615.557434 ],
+			[ 316.726593, 603.517212 ],
+			[ 322.264343, 596.660156 ],
+			[ 330.969482, 593.877197 ],
+			[ 342.189728, 594.782593 ],
+			[ 353.476685, 601.385559 ],
+			[ 364.652161, 611.650879 ],
+			[ 373.551025, 624.801941 ],
+			[ 379.248657, 638.447205 ],
+			[ 381.887573, 651.278259 ],
+			[ 381.855438, 661.963501 ],
+			[ 380.550751, 668.732422 ],
+			[ 379.659912, 671.053772 ],
+			[ 377.862457, 672.094299 ],
+			[ 377.101440, 672.155029 ],
+			[ 376.851074, 672.275391 ],
+			[ 376.548004, 665.574219 ],
+			[ 379.615234, 647.753418 ],
+			[ 384.843536, 630.787598 ],
+			[ 390.184631, 612.095276 ],
+			[ 394.452087, 591.896057 ],
+			[ 396.548462, 574.581543 ],
+			[ 395.895355, 559.660461 ],
+			[ 393.349976, 545.866882 ],
+			[ 388.509216, 534.806030 ],
+			[ 381.084930, 522.910522 ],
+			[ 373.442444, 513.828064 ],
+			[ 364.890686, 507.723083 ],
+			[ 354.644653, 503.224060 ],
+			[ 345.534698, 499.496948 ],
+			[ 332.637360, 495.756714 ],
+			[ 319.256348, 492.520996 ],
+			[ 305.796844, 490.227112 ],
+			[ 292.457733, 489.491516 ],
+			[ 277.098419, 491.737000 ],
+			[ 274.065887, 492.139343 ],
+			[ 272.989868, 492.282104 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/;_1.json b/tool/recorder/data/reference/;_1.json
new file mode 100644
index 0000000..3460bb6
--- /dev/null
+++ b/tool/recorder/data/reference/;_1.json
@@ -0,0 +1,32 @@
+{
+	"type": "REFERENCE",
+	"value": ";",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 376.318237, 542.291504 ],
+			[ 376.318176, 537.744934 ],
+			[ 376.317871, 534.779175 ],
+			[ 375.627258, 532.637939 ],
+			[ 372.881500, 532.186646 ],
+			[ 371.686920, 535.251831 ],
+			[ 371.362671, 537.097473 ],
+			[ 371.485229, 539.372375 ],
+			[ 373.014587, 540.611938 ],
+			[ 373.105469, 540.150269 ],
+			[ 372.723480, 539.625244 ],
+			[ 372.349731, 538.930908 ]
+		],
+		[
+			[ 388.973175, 428.350891 ],
+			[ 382.567230, 423.146606 ],
+			[ 378.125305, 414.753906 ],
+			[ 371.853607, 403.348083 ],
+			[ 363.973083, 390.914917 ],
+			[ 355.274292, 379.138733 ],
+			[ 348.445251, 367.910400 ],
+			[ 347.941711, 366.765747 ],
+			[ 347.708649, 365.749329 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/<_1.json b/tool/recorder/data/reference/<_1.json
new file mode 100644
index 0000000..3aef962
--- /dev/null
+++ b/tool/recorder/data/reference/<_1.json
@@ -0,0 +1,33 @@
+{
+	"type": "REFERENCE",
+	"value": "<",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 376.984283, 565.612732 ],
+			[ 381.158905, 564.220642 ],
+			[ 378.997833, 559.846008 ],
+			[ 375.363922, 555.754028 ],
+			[ 367.718536, 549.290710 ],
+			[ 357.449158, 542.124146 ],
+			[ 342.702332, 530.775696 ],
+			[ 324.073608, 517.318726 ],
+			[ 307.195312, 504.058411 ],
+			[ 297.714325, 496.599976 ],
+			[ 293.027893, 491.929749 ],
+			[ 292.445923, 491.589966 ],
+			[ 292.331055, 491.515564 ],
+			[ 299.441498, 489.559509 ],
+			[ 313.485565, 483.935730 ],
+			[ 330.855652, 473.632690 ],
+			[ 353.477509, 458.959351 ],
+			[ 375.929413, 446.038330 ],
+			[ 393.300079, 437.185913 ],
+			[ 409.047424, 429.430176 ],
+			[ 413.511444, 427.856812 ],
+			[ 416.535675, 425.289185 ],
+			[ 416.353394, 424.620789 ],
+			[ 416.381012, 424.446228 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/=_1.json b/tool/recorder/data/reference/=_1.json
new file mode 100644
index 0000000..0a97e64
--- /dev/null
+++ b/tool/recorder/data/reference/=_1.json
@@ -0,0 +1,29 @@
+{
+	"type": "REFERENCE",
+	"value": "=",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 285.735443, 504.977661 ],
+			[ 289.494232, 501.218018 ],
+			[ 301.798706, 499.564331 ],
+			[ 312.910431, 498.717285 ],
+			[ 326.789246, 498.597534 ],
+			[ 343.788361, 497.966309 ],
+			[ 359.481964, 498.310608 ],
+			[ 371.817932, 498.267151 ],
+			[ 380.940704, 498.162109 ],
+			[ 381.394073, 498.159546 ]
+		],
+		[
+			[ 288.399628, 462.999512 ],
+			[ 295.288818, 464.912659 ],
+			[ 303.188965, 464.554504 ],
+			[ 314.982880, 465.724304 ],
+			[ 329.528259, 467.815735 ],
+			[ 348.652985, 470.277893 ],
+			[ 358.253052, 472.400452 ],
+			[ 361.032349, 473.181824 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/>_1.json b/tool/recorder/data/reference/>_1.json
new file mode 100644
index 0000000..ee018a5
--- /dev/null
+++ b/tool/recorder/data/reference/>_1.json
@@ -0,0 +1,25 @@
+{
+	"type": "REFERENCE",
+	"value": ">",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 447.585571, 528.298828 ],
+			[ 447.585052, 520.991577 ],
+			[ 451.263245, 515.932861 ],
+			[ 460.396271, 509.075134 ],
+			[ 473.270447, 503.298950 ],
+			[ 491.293518, 498.354248 ],
+			[ 507.611908, 494.031677 ],
+			[ 523.197388, 489.446228 ],
+			[ 531.349365, 486.510376 ],
+			[ 532.984253, 480.024353 ],
+			[ 527.153503, 466.750977 ],
+			[ 511.595184, 452.152466 ],
+			[ 491.670288, 440.171021 ],
+			[ 468.875580, 428.584961 ],
+			[ 457.400330, 420.779175 ],
+			[ 455.746765, 419.805725 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/@_1.json b/tool/recorder/data/reference/@_1.json
new file mode 100644
index 0000000..5ed3587
--- /dev/null
+++ b/tool/recorder/data/reference/@_1.json
@@ -0,0 +1,53 @@
+{
+	"type": "REFERENCE",
+	"value": "@",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 350.342285, 524.967224 ],
+			[ 345.680695, 526.965454 ],
+			[ 341.101105, 528.080017 ],
+			[ 325.691376, 524.109009 ],
+			[ 315.101257, 512.839661 ],
+			[ 306.163635, 498.183167 ],
+			[ 299.674286, 481.719727 ],
+			[ 298.822479, 467.263123 ],
+			[ 301.496399, 457.804443 ],
+			[ 314.194550, 452.936279 ],
+			[ 323.581696, 458.102783 ],
+			[ 334.703278, 470.305298 ],
+			[ 342.913818, 482.827942 ],
+			[ 345.844055, 493.244385 ],
+			[ 346.522400, 501.409424 ],
+			[ 346.364868, 504.443115 ],
+			[ 344.856415, 506.127991 ],
+			[ 346.302795, 486.914490 ],
+			[ 350.859772, 469.469482 ],
+			[ 366.238281, 449.741516 ],
+			[ 374.936218, 449.889404 ],
+			[ 385.409729, 455.683533 ],
+			[ 397.129211, 468.210938 ],
+			[ 407.927551, 482.553345 ],
+			[ 419.166962, 501.063477 ],
+			[ 428.160400, 524.556519 ],
+			[ 430.389923, 545.736755 ],
+			[ 429.449402, 586.457703 ],
+			[ 420.658844, 601.997925 ],
+			[ 405.899750, 617.475098 ],
+			[ 388.646637, 625.549805 ],
+			[ 368.154419, 626.739136 ],
+			[ 333.644409, 621.362305 ],
+			[ 267.584503, 586.833496 ],
+			[ 238.288116, 541.527344 ],
+			[ 220.695618, 489.365417 ],
+			[ 221.113174, 442.160034 ],
+			[ 238.664185, 389.835693 ],
+			[ 264.209320, 359.937439 ],
+			[ 285.401611, 349.055725 ],
+			[ 308.227051, 349.909424 ],
+			[ 346.895111, 357.064148 ],
+			[ 382.753113, 384.737793 ],
+			[ 416.122772, 427.521545 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/A_1.json b/tool/recorder/data/reference/A_1.json
new file mode 100644
index 0000000..3c952f6
--- /dev/null
+++ b/tool/recorder/data/reference/A_1.json
@@ -0,0 +1,40 @@
+{
+	"type": "REFERENCE",
+	"value": "A",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 293.061981, 434.347778 ],
+			[ 292.622162, 440.699646 ],
+			[ 294.359436, 450.976929 ],
+			[ 298.126068, 467.105225 ],
+			[ 307.978394, 502.345947 ],
+			[ 319.672546, 543.109680 ],
+			[ 330.180817, 576.412231 ],
+			[ 337.757233, 598.123535 ],
+			[ 345.295502, 617.136597 ],
+			[ 351.265594, 629.743896 ],
+			[ 355.937714, 638.237610 ],
+			[ 358.739777, 638.840820 ],
+			[ 359.316986, 636.304688 ],
+			[ 364.782806, 618.020569 ],
+			[ 378.037628, 566.761230 ],
+			[ 394.210541, 504.709961 ],
+			[ 403.069183, 464.205322 ],
+			[ 404.958221, 446.376953 ],
+			[ 405.639160, 433.383240 ],
+			[ 405.424133, 423.645508 ],
+			[ 404.063721, 420.387573 ]
+		],
+		[
+			[ 320.370026, 509.641846 ],
+			[ 324.419312, 505.172668 ],
+			[ 330.705017, 504.915100 ],
+			[ 341.099762, 504.619873 ],
+			[ 356.020691, 506.507446 ],
+			[ 372.075806, 509.848572 ],
+			[ 380.356140, 512.522705 ],
+			[ 381.767426, 513.225342 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/A_2.json b/tool/recorder/data/reference/A_2.json
new file mode 100644
index 0000000..986bb64
--- /dev/null
+++ b/tool/recorder/data/reference/A_2.json
@@ -0,0 +1,47 @@
+{
+	"type": "REFERENCE",
+	"value": "A",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 313.043488, 498.980774 ],
+			[ 311.786926, 495.211731 ],
+			[ 311.089111, 486.594788 ],
+			[ 310.311829, 471.835571 ],
+			[ 315.937286, 443.850281 ],
+			[ 322.460785, 435.302795 ],
+			[ 342.239227, 439.540588 ],
+			[ 353.382172, 452.865601 ],
+			[ 363.534271, 475.322693 ],
+			[ 376.420349, 519.932007 ],
+			[ 387.984100, 616.140686 ],
+			[ 391.184143, 652.090088 ],
+			[ 394.329254, 665.181396 ],
+			[ 397.957306, 670.889404 ],
+			[ 402.512909, 673.597168 ],
+			[ 406.124115, 673.908752 ],
+			[ 410.039612, 670.961548 ],
+			[ 415.925873, 659.433838 ],
+			[ 425.396088, 618.522949 ],
+			[ 432.800201, 554.359131 ],
+			[ 432.980042, 496.619995 ],
+			[ 431.067902, 470.302246 ],
+			[ 429.516357, 458.411011 ],
+			[ 430.570129, 445.455444 ],
+			[ 434.365936, 434.375732 ],
+			[ 441.652313, 431.042419 ],
+			[ 450.273376, 432.097595 ],
+			[ 459.435852, 440.013428 ],
+			[ 471.134674, 461.952148 ]
+		],
+		[
+			[ 382.978729, 569.610657 ],
+			[ 386.427429, 563.400391 ],
+			[ 397.422760, 559.603394 ],
+			[ 415.771790, 557.074158 ],
+			[ 454.786469, 556.102112 ],
+			[ 472.978699, 556.542847 ],
+			[ 478.659576, 556.761108 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/A_3.json b/tool/recorder/data/reference/A_3.json
new file mode 100644
index 0000000..63c5577
--- /dev/null
+++ b/tool/recorder/data/reference/A_3.json
@@ -0,0 +1,47 @@
+{
+	"type": "REFERENCE",
+	"value": "A",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 389.639221, 635.576294 ],
+			[ 388.095306, 623.113525 ],
+			[ 386.250305, 608.660156 ],
+			[ 381.682922, 574.715393 ],
+			[ 373.548767, 534.227600 ],
+			[ 364.992981, 492.989868 ],
+			[ 357.399902, 449.955383 ],
+			[ 354.541901, 432.868469 ],
+			[ 353.779877, 416.411438 ],
+			[ 354.294189, 407.323608 ],
+			[ 354.325500, 406.646118 ]
+		],
+		[
+			[ 404.958374, 631.578369 ],
+			[ 403.699463, 626.323730 ],
+			[ 405.164917, 618.833374 ],
+			[ 408.311218, 607.061035 ],
+			[ 414.818756, 585.255005 ],
+			[ 427.374146, 543.109619 ],
+			[ 441.242584, 501.788818 ],
+			[ 449.564178, 478.436218 ],
+			[ 454.418365, 463.827515 ],
+			[ 459.677368, 450.376465 ],
+			[ 462.625000, 445.354492 ],
+			[ 464.109711, 443.753662 ],
+			[ 463.771027, 444.103455 ]
+		],
+		[
+			[ 357.668823, 505.643921 ],
+			[ 365.897675, 503.950806 ],
+			[ 375.259827, 502.640686 ],
+			[ 387.535370, 501.554932 ],
+			[ 403.495178, 500.645020 ],
+			[ 420.106659, 500.443848 ],
+			[ 435.401154, 501.651917 ],
+			[ 447.616608, 502.582336 ],
+			[ 452.771027, 503.881958 ],
+			[ 453.287079, 503.987122 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/A_4.json b/tool/recorder/data/reference/A_4.json
new file mode 100644
index 0000000..91cc528
--- /dev/null
+++ b/tool/recorder/data/reference/A_4.json
@@ -0,0 +1,39 @@
+{
+	"type": "REFERENCE",
+	"value": "A",
+	"sub-id": 4,
+	"data": [
+		[
+			[ 291.063843, 441.010925 ],
+			[ 295.504150, 441.751343 ],
+			[ 300.689819, 445.490173 ],
+			[ 307.578369, 454.891541 ],
+			[ 317.349243, 471.817749 ],
+			[ 336.354889, 510.419495 ],
+			[ 357.895935, 566.540100 ],
+			[ 366.339966, 596.416504 ],
+			[ 375.480438, 629.813782 ],
+			[ 379.013794, 642.995728 ],
+			[ 379.463196, 646.523438 ],
+			[ 380.775879, 646.462402 ],
+			[ 381.807404, 646.207336 ],
+			[ 382.588715, 633.976562 ],
+			[ 389.341431, 579.556763 ],
+			[ 401.857056, 506.750366 ],
+			[ 409.990265, 467.098633 ],
+			[ 413.531891, 436.925354 ],
+			[ 413.976410, 433.821594 ],
+			[ 413.080292, 435.046936 ]
+		],
+		[
+			[ 349.676239, 520.302979 ],
+			[ 353.486603, 521.574219 ],
+			[ 360.689606, 522.249634 ],
+			[ 372.013794, 522.395203 ],
+			[ 387.146820, 523.071350 ],
+			[ 404.597961, 523.863342 ],
+			[ 417.173096, 523.959045 ],
+			[ 418.777527, 523.910889 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/B_1.json b/tool/recorder/data/reference/B_1.json
new file mode 100644
index 0000000..c5fdede
--- /dev/null
+++ b/tool/recorder/data/reference/B_1.json
@@ -0,0 +1,54 @@
+{
+	"type": "REFERENCE",
+	"value": "B",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 347.678070, 634.243652 ],
+			[ 348.295441, 624.803223 ],
+			[ 351.142303, 611.725464 ],
+			[ 356.739899, 578.521301 ],
+			[ 363.009949, 530.263428 ],
+			[ 366.203796, 495.114624 ],
+			[ 366.781189, 470.657043 ],
+			[ 366.218353, 448.962891 ],
+			[ 365.507416, 435.434448 ],
+			[ 365.214142, 422.651306 ],
+			[ 366.025757, 416.295227 ],
+			[ 367.014679, 414.582397 ]
+		],
+		[
+			[ 349.676239, 613.587769 ],
+			[ 354.707520, 618.656677 ],
+			[ 362.923553, 622.568481 ],
+			[ 374.534180, 625.887085 ],
+			[ 388.699249, 627.756836 ],
+			[ 404.471771, 627.966431 ],
+			[ 418.126984, 623.506836 ],
+			[ 425.465149, 614.095947 ],
+			[ 426.448975, 602.078186 ],
+			[ 422.962891, 586.128418 ],
+			[ 413.239105, 566.330322 ],
+			[ 401.089020, 552.542419 ],
+			[ 389.245636, 543.570984 ],
+			[ 380.574188, 537.779785 ],
+			[ 376.510803, 536.621765 ],
+			[ 374.724152, 536.833130 ],
+			[ 375.071625, 536.829468 ],
+			[ 383.545288, 538.125793 ],
+			[ 400.786774, 539.856262 ],
+			[ 415.881561, 536.028931 ],
+			[ 427.634735, 527.079590 ],
+			[ 432.626465, 516.667236 ],
+			[ 433.795715, 502.345459 ],
+			[ 430.202515, 487.474548 ],
+			[ 422.174988, 470.917297 ],
+			[ 407.432831, 453.492676 ],
+			[ 390.125641, 439.174011 ],
+			[ 373.584961, 428.834961 ],
+			[ 361.754852, 423.245178 ],
+			[ 355.309845, 420.623047 ],
+			[ 354.622803, 421.343262 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/B_2.json b/tool/recorder/data/reference/B_2.json
new file mode 100644
index 0000000..8282857
--- /dev/null
+++ b/tool/recorder/data/reference/B_2.json
@@ -0,0 +1,64 @@
+{
+	"type": "REFERENCE",
+	"value": "B",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 398.963928, 655.565857 ],
+			[ 401.899261, 635.592285 ],
+			[ 403.312744, 617.576538 ],
+			[ 404.321167, 583.584656 ],
+			[ 404.560822, 552.385559 ],
+			[ 403.856781, 518.900085 ],
+			[ 399.197876, 494.649170 ],
+			[ 390.385162, 474.050232 ],
+			[ 379.509216, 458.277588 ],
+			[ 367.748993, 449.090210 ],
+			[ 355.723938, 451.376892 ],
+			[ 342.867432, 467.928772 ],
+			[ 331.917145, 509.744141 ]
+		],
+		[
+			[ 386.975037, 613.587769 ],
+			[ 382.330994, 611.264526 ],
+			[ 375.258270, 610.291260 ],
+			[ 363.599731, 609.862732 ],
+			[ 350.935669, 613.198792 ],
+			[ 336.738251, 622.048950 ],
+			[ 326.453278, 637.927979 ],
+			[ 322.141693, 661.352417 ],
+			[ 325.032379, 706.277344 ],
+			[ 338.440399, 724.471985 ],
+			[ 359.433441, 740.888428 ],
+			[ 384.597839, 757.342163 ],
+			[ 408.774261, 767.636108 ],
+			[ 447.099213, 776.047302 ],
+			[ 468.734985, 773.232178 ],
+			[ 481.187317, 762.153809 ],
+			[ 490.647522, 742.179932 ],
+			[ 502.458832, 703.189331 ],
+			[ 503.883789, 670.241943 ],
+			[ 496.451965, 648.175171 ],
+			[ 483.875519, 627.213074 ],
+			[ 467.091156, 608.554443 ],
+			[ 453.172302, 598.012939 ],
+			[ 444.040161, 594.134888 ],
+			[ 439.677887, 593.251648 ],
+			[ 440.272400, 593.291992 ],
+			[ 443.435608, 594.384277 ],
+			[ 456.633057, 597.064087 ],
+			[ 475.190186, 594.769470 ],
+			[ 493.167206, 583.348145 ],
+			[ 508.698730, 565.756348 ],
+			[ 519.706055, 544.295959 ],
+			[ 524.427368, 520.953003 ],
+			[ 521.406128, 499.303101 ],
+			[ 512.647339, 479.289978 ],
+			[ 496.517273, 461.704712 ],
+			[ 479.366486, 451.189148 ],
+			[ 464.880096, 447.060486 ],
+			[ 461.689240, 448.143982 ],
+			[ 461.651611, 448.156738 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/C_1.json b/tool/recorder/data/reference/C_1.json
new file mode 100644
index 0000000..8b9bc99
--- /dev/null
+++ b/tool/recorder/data/reference/C_1.json
@@ -0,0 +1,26 @@
+{
+	"type": "REFERENCE",
+	"value": "C",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 439.592957, 612.921387 ],
+			[ 429.737854, 622.355713 ],
+			[ 423.177063, 626.309204 ],
+			[ 410.690765, 628.903259 ],
+			[ 391.257416, 625.543335 ],
+			[ 369.514038, 614.694092 ],
+			[ 346.725098, 594.550293 ],
+			[ 326.095337, 565.351929 ],
+			[ 307.223846, 525.410400 ],
+			[ 308.092987, 487.066101 ],
+			[ 318.877502, 468.727661 ],
+			[ 335.408875, 448.721436 ],
+			[ 354.972260, 437.765625 ],
+			[ 376.045380, 435.576843 ],
+			[ 398.344940, 444.381104 ],
+			[ 410.156952, 452.927002 ],
+			[ 411.237000, 453.732483 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/C_2.json b/tool/recorder/data/reference/C_2.json
new file mode 100644
index 0000000..624f022
--- /dev/null
+++ b/tool/recorder/data/reference/C_2.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "C",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 287.733582, 730.859985 ],
+			[ 288.781219, 725.024170 ],
+			[ 291.817596, 718.756592 ],
+			[ 296.360077, 708.794739 ],
+			[ 304.899323, 694.955200 ],
+			[ 315.487915, 680.650513 ],
+			[ 329.030884, 668.287537 ],
+			[ 343.323334, 662.125244 ],
+			[ 356.838531, 660.932251 ],
+			[ 370.723206, 663.849426 ],
+			[ 381.561829, 669.351318 ],
+			[ 391.722931, 676.967285 ],
+			[ 398.723541, 685.336670 ],
+			[ 403.312775, 693.631104 ],
+			[ 405.111420, 700.333862 ],
+			[ 405.412628, 705.998230 ],
+			[ 403.166534, 708.555237 ],
+			[ 400.014008, 709.092163 ],
+			[ 387.270477, 706.805664 ],
+			[ 369.111633, 691.894165 ],
+			[ 349.122742, 667.951050 ],
+			[ 321.236206, 622.998169 ],
+			[ 299.646851, 573.686279 ],
+			[ 290.034607, 531.656128 ],
+			[ 290.023621, 489.323853 ],
+			[ 297.595947, 460.924011 ],
+			[ 307.933350, 440.361938 ],
+			[ 321.522491, 429.436279 ],
+			[ 337.836823, 426.952209 ],
+			[ 357.844543, 429.207153 ],
+			[ 376.823120, 440.144226 ],
+			[ 397.212891, 462.478394 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/D_1.json b/tool/recorder/data/reference/D_1.json
new file mode 100644
index 0000000..d8c3950
--- /dev/null
+++ b/tool/recorder/data/reference/D_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "D",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 402.294189, 694.212402 ],
+			[ 402.727936, 686.319458 ],
+			[ 404.239532, 672.245850 ],
+			[ 409.677246, 635.101624 ],
+			[ 412.405853, 589.732483 ],
+			[ 412.529053, 549.090698 ],
+			[ 404.778778, 507.479126 ],
+			[ 394.457825, 488.294373 ],
+			[ 378.827423, 475.042847 ],
+			[ 359.403748, 465.202637 ],
+			[ 337.498840, 466.937927 ]
+		],
+		[
+			[ 359.000916, 682.885010 ],
+			[ 365.152740, 680.362183 ],
+			[ 375.645294, 682.423584 ],
+			[ 391.072388, 686.659607 ],
+			[ 414.460602, 691.343628 ],
+			[ 450.136658, 694.742615 ],
+			[ 478.868561, 693.516235 ],
+			[ 496.942505, 683.086060 ],
+			[ 514.632690, 665.102051 ],
+			[ 548.760010, 617.713318 ],
+			[ 550.766602, 594.164246 ],
+			[ 551.360168, 553.660156 ],
+			[ 539.739319, 513.201843 ],
+			[ 519.330933, 481.998779 ],
+			[ 500.520477, 468.482788 ],
+			[ 476.278351, 452.303772 ],
+			[ 452.428711, 442.630005 ],
+			[ 431.920105, 441.114441 ],
+			[ 423.728333, 445.354004 ],
+			[ 423.058777, 445.769897 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/D_2.json b/tool/recorder/data/reference/D_2.json
new file mode 100644
index 0000000..8c9dd83
--- /dev/null
+++ b/tool/recorder/data/reference/D_2.json
@@ -0,0 +1,46 @@
+{
+	"type": "REFERENCE",
+	"value": "D",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 351.008331, 646.903687 ],
+			[ 351.008453, 642.439819 ],
+			[ 351.009674, 634.439697 ],
+			[ 351.013092, 622.680298 ],
+			[ 351.026215, 598.731384 ],
+			[ 351.045929, 563.330139 ],
+			[ 351.061493, 513.433044 ],
+			[ 351.049225, 469.577576 ],
+			[ 351.015076, 447.888672 ],
+			[ 350.083984, 434.766907 ],
+			[ 350.040436, 427.426208 ],
+			[ 350.115875, 426.649658 ],
+			[ 350.114746, 426.693420 ],
+			[ 350.114807, 426.690857 ]
+		],
+		[
+			[ 342.349670, 631.578369 ],
+			[ 351.447174, 631.578491 ],
+			[ 357.864197, 631.017578 ],
+			[ 367.303528, 629.675293 ],
+			[ 379.210510, 626.394043 ],
+			[ 393.769165, 620.576294 ],
+			[ 406.064758, 612.190308 ],
+			[ 419.893890, 600.123413 ],
+			[ 432.306122, 581.983459 ],
+			[ 443.188660, 561.406982 ],
+			[ 448.417023, 543.490173 ],
+			[ 448.298370, 525.228516 ],
+			[ 443.378937, 509.170715 ],
+			[ 435.594177, 491.417480 ],
+			[ 422.499115, 474.047913 ],
+			[ 405.480377, 456.501221 ],
+			[ 389.304169, 444.281616 ],
+			[ 376.269653, 437.672119 ],
+			[ 366.194122, 438.167542 ],
+			[ 361.556763, 442.812744 ],
+			[ 361.396301, 443.068054 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/E_1.json b/tool/recorder/data/reference/E_1.json
new file mode 100644
index 0000000..d794b0f
--- /dev/null
+++ b/tool/recorder/data/reference/E_1.json
@@ -0,0 +1,51 @@
+{
+	"type": "REFERENCE",
+	"value": "E",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 345.013885, 630.245728 ],
+			[ 344.282898, 621.995239 ],
+			[ 344.312103, 611.410889 ],
+			[ 344.296387, 563.318298 ],
+			[ 344.274841, 524.824280 ],
+			[ 344.295288, 493.073181 ],
+			[ 344.029541, 471.465881 ],
+			[ 342.811768, 454.776428 ],
+			[ 342.543182, 443.509460 ],
+			[ 342.911377, 438.800110 ],
+			[ 343.741150, 437.654297 ],
+			[ 347.972565, 436.336487 ],
+			[ 354.572083, 437.067139 ],
+			[ 360.334717, 436.553467 ],
+			[ 369.239716, 435.471924 ],
+			[ 380.085297, 434.591980 ],
+			[ 404.719208, 434.665771 ],
+			[ 414.911407, 435.198425 ],
+			[ 422.138733, 435.501160 ],
+			[ 426.461609, 436.493958 ],
+			[ 428.644684, 438.441101 ],
+			[ 429.041809, 438.908936 ]
+		],
+		[
+			[ 339.685486, 539.626221 ],
+			[ 346.358673, 540.258118 ],
+			[ 354.277405, 540.321289 ],
+			[ 366.267303, 540.345642 ],
+			[ 380.161133, 541.092590 ],
+			[ 402.414459, 541.087097 ],
+			[ 409.802734, 541.031250 ],
+			[ 411.300415, 541.025452 ],
+			[ 411.844727, 541.023376 ]
+		],
+		[
+			[ 327.696594, 625.581482 ],
+			[ 336.088837, 621.429626 ],
+			[ 346.859833, 617.953186 ],
+			[ 359.946411, 614.320557 ],
+			[ 392.946228, 609.509399 ],
+			[ 408.043549, 609.407104 ],
+			[ 421.928070, 610.177307 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/E_2.json b/tool/recorder/data/reference/E_2.json
new file mode 100644
index 0000000..454eee6
--- /dev/null
+++ b/tool/recorder/data/reference/E_2.json
@@ -0,0 +1,51 @@
+{
+	"type": "REFERENCE",
+	"value": "E",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 286.401489, 717.533569 ],
+			[ 291.146973, 712.159668 ],
+			[ 298.683350, 704.021851 ],
+			[ 309.952209, 689.643677 ],
+			[ 326.406769, 673.669312 ],
+			[ 347.079681, 657.807617 ],
+			[ 366.802216, 647.190002 ],
+			[ 388.110199, 640.300232 ],
+			[ 403.474274, 641.059570 ],
+			[ 418.470734, 643.635620 ],
+			[ 427.150116, 648.062073 ],
+			[ 435.611908, 653.633789 ],
+			[ 437.256409, 657.918030 ],
+			[ 435.817688, 664.626343 ],
+			[ 431.456848, 669.460510 ],
+			[ 420.819763, 673.748291 ],
+			[ 403.926117, 674.786316 ],
+			[ 386.265839, 671.080750 ],
+			[ 367.192688, 662.060547 ],
+			[ 350.494507, 647.479126 ],
+			[ 337.229706, 627.510132 ],
+			[ 328.343781, 606.275818 ],
+			[ 325.773468, 584.556641 ],
+			[ 328.208344, 564.864746 ],
+			[ 332.384613, 551.654907 ],
+			[ 341.055969, 543.298279 ],
+			[ 349.374054, 541.014709 ],
+			[ 358.591644, 542.256897 ],
+			[ 367.006500, 544.577698 ],
+			[ 370.120941, 546.587097 ],
+			[ 371.563446, 555.472595 ],
+			[ 367.492279, 564.986389 ],
+			[ 356.953735, 572.492615 ],
+			[ 342.091797, 571.359497 ],
+			[ 329.097076, 560.102356 ],
+			[ 319.907745, 537.391724 ],
+			[ 313.898132, 497.019287 ],
+			[ 317.026459, 471.232605 ],
+			[ 328.117493, 455.283325 ],
+			[ 348.185883, 446.816467 ],
+			[ 371.068329, 444.671631 ],
+			[ 394.421478, 447.074890 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/F_1.json b/tool/recorder/data/reference/F_1.json
new file mode 100644
index 0000000..0f3e651
--- /dev/null
+++ b/tool/recorder/data/reference/F_1.json
@@ -0,0 +1,44 @@
+{
+	"type": "REFERENCE",
+	"value": "F",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 356.336731, 644.904785 ],
+			[ 356.336731, 641.080872 ],
+			[ 356.991943, 629.796326 ],
+			[ 358.207123, 613.677002 ],
+			[ 360.764313, 578.210449 ],
+			[ 363.084137, 529.062500 ],
+			[ 364.173584, 496.247070 ],
+			[ 363.166229, 473.146057 ],
+			[ 360.394958, 452.440186 ],
+			[ 358.237488, 438.125793 ],
+			[ 357.818542, 435.498901 ],
+			[ 357.069275, 433.428345 ],
+			[ 357.118042, 433.871399 ]
+		],
+		[
+			[ 340.351532, 626.914124 ],
+			[ 351.259521, 625.615723 ],
+			[ 364.949036, 626.162109 ],
+			[ 381.150604, 625.001831 ],
+			[ 400.067383, 622.368896 ],
+			[ 421.128204, 618.804382 ],
+			[ 434.490509, 616.089783 ],
+			[ 442.704681, 615.963013 ],
+			[ 445.618774, 616.506470 ],
+			[ 445.766754, 616.548828 ]
+		],
+		[
+			[ 357.002777, 537.627319 ],
+			[ 364.591064, 538.903198 ],
+			[ 371.726257, 539.004883 ],
+			[ 381.615051, 539.680420 ],
+			[ 394.092194, 540.951782 ],
+			[ 408.634949, 542.665466 ],
+			[ 416.291992, 543.007385 ],
+			[ 417.483826, 542.975281 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/G_1.json b/tool/recorder/data/reference/G_1.json
new file mode 100644
index 0000000..188c8d4
--- /dev/null
+++ b/tool/recorder/data/reference/G_1.json
@@ -0,0 +1,56 @@
+{
+	"type": "REFERENCE",
+	"value": "G",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 432.932465, 628.246765 ],
+			[ 428.794312, 631.008179 ],
+			[ 424.479004, 630.782837 ],
+			[ 418.163239, 630.255493 ],
+			[ 411.498688, 627.885071 ],
+			[ 400.355591, 621.173096 ],
+			[ 387.797974, 611.913086 ],
+			[ 373.607239, 598.181152 ],
+			[ 358.996368, 574.102661 ],
+			[ 343.563843, 531.921631 ],
+			[ 335.791473, 485.218811 ],
+			[ 340.967102, 460.142212 ],
+			[ 350.464874, 442.729004 ],
+			[ 364.479187, 431.624390 ],
+			[ 379.172455, 428.446960 ],
+			[ 393.740662, 426.784485 ],
+			[ 406.357208, 431.895447 ],
+			[ 416.999969, 440.149475 ],
+			[ 423.479034, 455.670837 ],
+			[ 426.192078, 473.397034 ],
+			[ 425.093933, 490.270996 ],
+			[ 422.065063, 501.298096 ],
+			[ 416.560822, 510.307800 ],
+			[ 408.200378, 515.731689 ],
+			[ 401.139679, 517.811279 ],
+			[ 395.127502, 519.284973 ],
+			[ 391.736816, 519.805054 ],
+			[ 390.070526, 520.043518 ],
+			[ 389.596161, 520.257996 ],
+			[ 394.070679, 520.705383 ],
+			[ 403.236328, 522.248108 ],
+			[ 416.547577, 525.313049 ],
+			[ 429.410461, 528.454834 ],
+			[ 441.030182, 530.651672 ],
+			[ 448.472107, 531.263977 ],
+			[ 453.429321, 530.855042 ],
+			[ 456.483002, 529.886292 ],
+			[ 456.799316, 526.785950 ],
+			[ 456.415375, 517.866028 ],
+			[ 454.877167, 503.870789 ],
+			[ 453.191010, 486.606812 ],
+			[ 450.560211, 466.095764 ],
+			[ 447.770721, 446.614624 ],
+			[ 444.998138, 431.057922 ],
+			[ 444.314392, 418.799805 ],
+			[ 444.198639, 416.687866 ],
+			[ 444.170685, 416.178040 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/G_2.json b/tool/recorder/data/reference/G_2.json
new file mode 100644
index 0000000..94ce3a7
--- /dev/null
+++ b/tool/recorder/data/reference/G_2.json
@@ -0,0 +1,63 @@
+{
+	"type": "REFERENCE",
+	"value": "G",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 412.950989, 723.530457 ],
+			[ 408.721863, 724.940674 ],
+			[ 405.905975, 724.779663 ],
+			[ 401.582642, 724.286316 ],
+			[ 384.905334, 719.779297 ],
+			[ 372.567047, 715.221802 ],
+			[ 357.280853, 705.696228 ],
+			[ 342.673523, 690.473755 ],
+			[ 328.207520, 670.786133 ],
+			[ 316.645874, 648.789917 ],
+			[ 298.670685, 606.622192 ],
+			[ 294.387329, 582.267761 ],
+			[ 289.015137, 547.324768 ],
+			[ 286.395660, 515.039490 ],
+			[ 286.125824, 493.789978 ],
+			[ 288.767792, 482.704041 ],
+			[ 294.202240, 465.664612 ],
+			[ 302.911011, 447.965271 ],
+			[ 327.578491, 423.059448 ],
+			[ 339.280304, 417.792480 ],
+			[ 351.651764, 414.911133 ],
+			[ 364.897919, 416.921997 ],
+			[ 377.541260, 421.404907 ],
+			[ 391.403320, 429.067078 ],
+			[ 404.787384, 440.038635 ],
+			[ 417.190216, 455.267395 ],
+			[ 444.365906, 511.725586 ],
+			[ 445.892273, 531.421692 ],
+			[ 445.639069, 548.270020 ],
+			[ 442.702667, 562.700439 ],
+			[ 437.931183, 578.697205 ],
+			[ 431.083557, 592.453125 ],
+			[ 422.671265, 601.085571 ],
+			[ 414.315796, 606.835449 ],
+			[ 402.837097, 611.929443 ],
+			[ 391.719513, 611.878052 ],
+			[ 381.237885, 608.588623 ],
+			[ 370.959625, 605.994019 ],
+			[ 364.658081, 601.742432 ],
+			[ 359.511505, 595.737671 ],
+			[ 357.610962, 588.635132 ],
+			[ 358.424469, 582.591614 ],
+			[ 361.636505, 577.053162 ],
+			[ 368.088165, 571.269836 ],
+			[ 380.440704, 566.927856 ],
+			[ 395.855896, 565.812866 ],
+			[ 411.577545, 567.255920 ],
+			[ 429.411804, 571.928772 ],
+			[ 444.649048, 577.382080 ],
+			[ 461.417694, 584.484314 ],
+			[ 474.942444, 590.294434 ],
+			[ 487.918732, 592.833984 ],
+			[ 494.608093, 592.656250 ],
+			[ 495.271362, 592.649658 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/H_1.json b/tool/recorder/data/reference/H_1.json
new file mode 100644
index 0000000..b06cc8b
--- /dev/null
+++ b/tool/recorder/data/reference/H_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "H",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 363.663269, 632.911011 ],
+			[ 363.664703, 621.931946 ],
+			[ 364.846893, 606.498413 ],
+			[ 368.555176, 572.244446 ],
+			[ 373.027344, 522.923096 ],
+			[ 375.571747, 477.203308 ],
+			[ 376.702362, 443.037354 ],
+			[ 376.743500, 423.359253 ],
+			[ 377.067444, 414.239014 ],
+			[ 377.077759, 412.344482 ]
+		],
+		[
+			[ 368.325623, 526.299866 ],
+			[ 375.379333, 529.242554 ],
+			[ 382.938263, 530.551880 ],
+			[ 394.963440, 530.921021 ],
+			[ 407.552582, 531.647705 ],
+			[ 420.780762, 532.863281 ],
+			[ 429.695892, 534.565491 ]
+		],
+		[
+			[ 433.598511, 631.578369 ],
+			[ 428.665619, 622.045105 ],
+			[ 426.884766, 609.614746 ],
+			[ 427.084473, 587.264404 ],
+			[ 428.062378, 537.670898 ],
+			[ 429.123291, 493.054199 ],
+			[ 431.455872, 463.534729 ],
+			[ 432.307495, 446.342712 ],
+			[ 433.894867, 434.311646 ],
+			[ 435.235687, 425.864014 ],
+			[ 435.875610, 421.853882 ],
+			[ 435.937531, 421.459167 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/H_2.json b/tool/recorder/data/reference/H_2.json
new file mode 100644
index 0000000..4b0ee2a
--- /dev/null
+++ b/tool/recorder/data/reference/H_2.json
@@ -0,0 +1,61 @@
+{
+	"type": "REFERENCE",
+	"value": "H",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 271.748383, 728.861023 ],
+			[ 278.015717, 725.069702 ],
+			[ 281.820801, 721.948242 ],
+			[ 295.184509, 705.304321 ],
+			[ 304.245941, 690.954712 ],
+			[ 315.310516, 669.379028 ],
+			[ 331.059784, 631.555847 ],
+			[ 340.987671, 602.260132 ],
+			[ 345.703308, 563.830017 ],
+			[ 344.066254, 529.928711 ],
+			[ 335.910431, 493.827393 ],
+			[ 324.731689, 470.945984 ],
+			[ 311.322754, 453.955383 ],
+			[ 296.802521, 437.839233 ],
+			[ 279.838226, 421.170044 ],
+			[ 265.849945, 412.324646 ],
+			[ 247.684723, 408.823730 ],
+			[ 233.094330, 416.614380 ]
+		],
+		[
+			[ 494.209076, 737.523193 ],
+			[ 489.597687, 734.227661 ],
+			[ 483.665558, 728.325439 ],
+			[ 475.619629, 719.654785 ],
+			[ 464.744202, 705.566162 ],
+			[ 451.029877, 685.362610 ],
+			[ 434.354523, 659.083801 ],
+			[ 411.022034, 615.874634 ],
+			[ 394.827393, 574.297791 ],
+			[ 385.580597, 535.936951 ],
+			[ 385.638367, 503.880676 ],
+			[ 389.966095, 479.685852 ],
+			[ 403.589813, 449.899048 ],
+			[ 417.127869, 432.941223 ],
+			[ 432.481049, 419.356934 ],
+			[ 447.320282, 407.419983 ],
+			[ 458.609680, 401.832703 ],
+			[ 467.864471, 402.100220 ],
+			[ 474.009521, 409.513245 ],
+			[ 475.417358, 429.387817 ],
+			[ 474.670929, 437.650818 ],
+			[ 473.893646, 440.387817 ]
+		],
+		[
+			[ 280.407043, 572.942261 ],
+			[ 296.375641, 567.053345 ],
+			[ 323.434692, 560.930786 ],
+			[ 364.543304, 554.637329 ],
+			[ 403.346802, 552.193176 ],
+			[ 450.472137, 554.609009 ],
+			[ 488.373993, 566.117126 ],
+			[ 501.090118, 580.021729 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/I_1.json b/tool/recorder/data/reference/I_1.json
new file mode 100644
index 0000000..a571279
--- /dev/null
+++ b/tool/recorder/data/reference/I_1.json
@@ -0,0 +1,46 @@
+{
+	"type": "REFERENCE",
+	"value": "I",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 367.659576, 624.248840 ],
+			[ 367.659576, 618.507202 ],
+			[ 368.983032, 611.811890 ],
+			[ 370.942139, 599.802490 ],
+			[ 373.191437, 582.203918 ],
+			[ 375.542755, 544.456482 ],
+			[ 376.906311, 510.448425 ],
+			[ 377.191589, 483.739685 ],
+			[ 377.406342, 467.769043 ],
+			[ 377.995728, 451.074097 ],
+			[ 378.223633, 437.602478 ],
+			[ 377.976166, 432.430115 ],
+			[ 377.944611, 432.036804 ],
+			[ 377.935150, 431.918701 ]
+		],
+		[
+			[ 327.696594, 435.680420 ],
+			[ 337.853088, 435.033630 ],
+			[ 349.457001, 434.974915 ],
+			[ 362.436737, 434.961853 ],
+			[ 378.021881, 434.283691 ],
+			[ 395.421265, 433.277161 ],
+			[ 408.800598, 431.744446 ],
+			[ 418.675690, 431.018555 ],
+			[ 424.394226, 431.135864 ],
+			[ 424.434357, 431.138123 ],
+			[ 424.616364, 431.148438 ]
+		],
+		[
+			[ 325.698425, 619.584595 ],
+			[ 331.631042, 618.952637 ],
+			[ 341.135040, 618.898254 ],
+			[ 375.097809, 619.499268 ],
+			[ 398.540497, 619.689453 ],
+			[ 420.572479, 617.999451 ],
+			[ 427.722839, 616.489868 ],
+			[ 428.698761, 616.318237 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/J_1.json b/tool/recorder/data/reference/J_1.json
new file mode 100644
index 0000000..64f419f
--- /dev/null
+++ b/tool/recorder/data/reference/J_1.json
@@ -0,0 +1,33 @@
+{
+	"type": "REFERENCE",
+	"value": "J",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 406.290466, 634.909912 ],
+			[ 405.022003, 626.201782 ],
+			[ 406.649353, 614.040039 ],
+			[ 410.032928, 580.749878 ],
+			[ 413.459167, 536.364258 ],
+			[ 415.983429, 497.679626 ],
+			[ 414.097290, 448.566223 ],
+			[ 408.568268, 437.186462 ],
+			[ 397.851746, 428.781067 ],
+			[ 384.714020, 424.330688 ],
+			[ 370.253693, 432.090942 ],
+			[ 354.752045, 450.600769 ],
+			[ 350.963684, 462.056885 ],
+			[ 350.368591, 466.630920 ]
+		],
+		[
+			[ 345.013885, 623.582520 ],
+			[ 355.167725, 622.735657 ],
+			[ 367.226532, 624.409729 ],
+			[ 384.127777, 625.829956 ],
+			[ 404.038025, 626.573486 ],
+			[ 426.976349, 626.698975 ],
+			[ 444.706085, 625.702637 ],
+			[ 463.448639, 625.427368 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/K_1.json b/tool/recorder/data/reference/K_1.json
new file mode 100644
index 0000000..7ef7f49
--- /dev/null
+++ b/tool/recorder/data/reference/K_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "K",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 364.329315, 644.238403 ],
+			[ 365.612915, 633.734436 ],
+			[ 365.703400, 620.552185 ],
+			[ 364.872345, 589.585632 ],
+			[ 358.670502, 502.436829 ],
+			[ 352.732391, 458.296753 ],
+			[ 348.480957, 430.241272 ],
+			[ 346.597656, 415.559753 ],
+			[ 346.498352, 406.471008 ],
+			[ 347.267944, 402.998535 ]
+		],
+		[
+			[ 360.333038, 519.636658 ],
+			[ 368.796814, 526.857483 ],
+			[ 394.588409, 545.565247 ],
+			[ 434.377655, 577.917175 ],
+			[ 451.409607, 593.174011 ],
+			[ 464.836029, 605.677307 ],
+			[ 470.271759, 612.335327 ],
+			[ 472.285126, 616.927979 ],
+			[ 470.848145, 617.959656 ],
+			[ 470.600983, 618.180298 ]
+		],
+		[
+			[ 366.327484, 518.970337 ],
+			[ 372.113251, 511.247925 ],
+			[ 391.747406, 490.581299 ],
+			[ 408.615479, 473.795837 ],
+			[ 440.416901, 438.160217 ],
+			[ 450.176819, 423.313293 ],
+			[ 452.964691, 414.389709 ],
+			[ 453.746796, 412.343933 ],
+			[ 453.927032, 411.872437 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/K_2.json b/tool/recorder/data/reference/K_2.json
new file mode 100644
index 0000000..37fa4ea
--- /dev/null
+++ b/tool/recorder/data/reference/K_2.json
@@ -0,0 +1,87 @@
+{
+	"type": "REFERENCE",
+	"value": "K",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 287.067535, 710.204102 ],
+			[ 291.185425, 711.577271 ],
+			[ 297.065735, 713.702393 ],
+			[ 303.604401, 716.494629 ],
+			[ 313.509583, 719.568298 ],
+			[ 325.184845, 722.780273 ],
+			[ 337.251068, 726.750427 ],
+			[ 348.734894, 729.869690 ],
+			[ 357.769867, 730.919556 ],
+			[ 364.699738, 729.350220 ],
+			[ 368.562866, 726.013550 ],
+			[ 371.201904, 720.020020 ],
+			[ 374.321777, 707.754150 ],
+			[ 376.378906, 691.643799 ],
+			[ 377.423309, 672.087158 ],
+			[ 378.474762, 647.688232 ],
+			[ 381.643677, 610.515503 ],
+			[ 382.921936, 590.459839 ],
+			[ 382.663757, 571.481995 ],
+			[ 381.766907, 552.305664 ],
+			[ 382.210449, 517.414368 ],
+			[ 382.129730, 494.997925 ],
+			[ 379.999695, 483.646606 ],
+			[ 375.439575, 468.363831 ],
+			[ 367.743469, 453.083435 ],
+			[ 357.820862, 441.192993 ],
+			[ 345.228149, 429.758911 ],
+			[ 332.364777, 420.579834 ],
+			[ 319.795990, 414.874451 ],
+			[ 308.863953, 413.299072 ],
+			[ 300.818481, 416.993347 ],
+			[ 295.475006, 425.116150 ],
+			[ 294.396912, 436.763916 ],
+			[ 296.192719, 452.720215 ],
+			[ 296.787384, 456.279785 ],
+			[ 297.611694, 457.453430 ]
+		],
+		[
+			[ 512.192444, 712.869385 ],
+			[ 508.427551, 713.497192 ],
+			[ 506.653381, 711.742371 ],
+			[ 502.531738, 706.745361 ],
+			[ 498.748138, 700.870483 ],
+			[ 492.887390, 690.941772 ],
+			[ 485.387360, 678.518005 ],
+			[ 474.929260, 663.676147 ],
+			[ 463.328278, 647.675598 ],
+			[ 450.907532, 627.883789 ],
+			[ 438.736908, 610.477295 ],
+			[ 426.354034, 596.212280 ],
+			[ 413.188629, 585.413696 ],
+			[ 402.625702, 580.147156 ],
+			[ 394.732239, 578.452454 ],
+			[ 385.394623, 578.861206 ],
+			[ 381.714844, 581.510559 ],
+			[ 379.432770, 583.366516 ],
+			[ 380.929565, 583.202576 ],
+			[ 387.472992, 583.022217 ],
+			[ 397.694580, 580.725525 ],
+			[ 410.204254, 573.764893 ],
+			[ 420.820892, 563.397034 ],
+			[ 429.590637, 552.764587 ],
+			[ 435.434326, 541.600708 ],
+			[ 440.441559, 527.549561 ],
+			[ 443.575043, 513.465332 ],
+			[ 447.298462, 500.164673 ],
+			[ 451.836731, 490.468994 ],
+			[ 457.011200, 479.848328 ],
+			[ 463.669556, 468.698059 ],
+			[ 471.065796, 456.638916 ],
+			[ 481.052734, 445.162170 ],
+			[ 490.330811, 435.318726 ],
+			[ 499.292694, 426.089355 ],
+			[ 508.671631, 419.084717 ],
+			[ 517.369446, 414.469299 ],
+			[ 522.570984, 415.673767 ],
+			[ 523.753967, 416.207642 ],
+			[ 524.180359, 416.400146 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/L_1.json b/tool/recorder/data/reference/L_1.json
new file mode 100644
index 0000000..2680508
--- /dev/null
+++ b/tool/recorder/data/reference/L_1.json
@@ -0,0 +1,30 @@
+{
+	"type": "REFERENCE",
+	"value": "L",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 366.327484, 620.917236 ],
+			[ 365.046051, 609.634399 ],
+			[ 364.148224, 591.637878 ],
+			[ 361.720581, 558.451721 ],
+			[ 357.704254, 521.721069 ],
+			[ 354.237885, 495.452393 ],
+			[ 349.900269, 471.306763 ],
+			[ 346.548126, 451.632568 ],
+			[ 345.380035, 440.940735 ],
+			[ 346.904022, 437.680908 ],
+			[ 352.880280, 436.567444 ],
+			[ 366.688080, 439.046570 ],
+			[ 383.193420, 441.240173 ],
+			[ 402.463654, 443.267639 ],
+			[ 419.619904, 444.061157 ],
+			[ 433.119415, 444.285828 ],
+			[ 442.683441, 443.309998 ],
+			[ 449.978424, 441.572571 ],
+			[ 453.738251, 440.090210 ],
+			[ 455.056274, 439.451721 ],
+			[ 456.063721, 439.992798 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/L_2.json b/tool/recorder/data/reference/L_2.json
new file mode 100644
index 0000000..1f891f9
--- /dev/null
+++ b/tool/recorder/data/reference/L_2.json
@@ -0,0 +1,56 @@
+{
+	"type": "REFERENCE",
+	"value": "L",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 309.047180, 710.870361 ],
+			[ 314.110840, 707.704468 ],
+			[ 320.880219, 702.219116 ],
+			[ 330.399506, 694.584351 ],
+			[ 341.902344, 685.730469 ],
+			[ 356.149017, 677.132324 ],
+			[ 371.444275, 669.982361 ],
+			[ 384.189575, 666.993408 ],
+			[ 395.243042, 668.240723 ],
+			[ 404.168274, 672.436157 ],
+			[ 410.330292, 680.340454 ],
+			[ 414.696625, 692.152466 ],
+			[ 413.677795, 704.328308 ],
+			[ 411.944427, 716.762085 ],
+			[ 408.169525, 722.847168 ],
+			[ 405.580505, 725.308777 ],
+			[ 397.433960, 722.427429 ],
+			[ 390.369324, 716.644470 ],
+			[ 381.498901, 698.644165 ],
+			[ 375.907990, 672.136108 ],
+			[ 369.435394, 628.946289 ],
+			[ 362.971344, 585.131592 ],
+			[ 355.701263, 547.060303 ],
+			[ 344.670380, 510.045471 ],
+			[ 337.083191, 494.693604 ],
+			[ 323.030945, 477.751709 ],
+			[ 306.700500, 460.989807 ],
+			[ 290.761963, 448.369812 ],
+			[ 276.958984, 443.305359 ],
+			[ 265.623199, 446.610413 ],
+			[ 256.809631, 457.815674 ],
+			[ 253.990021, 471.231018 ],
+			[ 256.695801, 486.922485 ],
+			[ 263.609039, 499.590637 ],
+			[ 275.418945, 508.033508 ],
+			[ 291.367676, 512.233459 ],
+			[ 309.046570, 511.007385 ],
+			[ 329, 504.024231 ],
+			[ 347.995544, 490.698730 ],
+			[ 364.729462, 476.001953 ],
+			[ 380.478790, 460.281738 ],
+			[ 395.445068, 448.181641 ],
+			[ 409.208923, 441.232666 ],
+			[ 425.414154, 435.303040 ],
+			[ 445.065887, 433.547546 ],
+			[ 454.971130, 432.706116 ],
+			[ 456.134003, 432.615967 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/M_1.json b/tool/recorder/data/reference/M_1.json
new file mode 100644
index 0000000..a72629e
--- /dev/null
+++ b/tool/recorder/data/reference/M_1.json
@@ -0,0 +1,47 @@
+{
+	"type": "REFERENCE",
+	"value": "M",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 285.735443, 420.355042 ],
+			[ 285.735413, 428.182312 ],
+			[ 285.735809, 435.372498 ],
+			[ 286.474365, 450.045044 ],
+			[ 288.668732, 470.468994 ],
+			[ 294.138977, 512.248352 ],
+			[ 298.378204, 542.807068 ],
+			[ 304.973511, 585.278076 ],
+			[ 308.634125, 598.873779 ],
+			[ 311.256409, 608.537292 ],
+			[ 314.569763, 614.535767 ],
+			[ 316.323242, 616.357117 ],
+			[ 319.406036, 615.307373 ],
+			[ 326.052917, 609.947144 ],
+			[ 335.383545, 596.067871 ],
+			[ 344.170776, 579.313965 ],
+			[ 352.185944, 564.908142 ],
+			[ 359.414276, 553.758362 ],
+			[ 365.628632, 551.606689 ],
+			[ 371.579468, 553.146301 ],
+			[ 376.692169, 559.588135 ],
+			[ 385.196259, 573.021790 ],
+			[ 390.904114, 587.369080 ],
+			[ 396.954926, 599.408691 ],
+			[ 403.049652, 608.465820 ],
+			[ 406.812622, 611.508667 ],
+			[ 409.781433, 611.438110 ],
+			[ 413.503998, 608.994690 ],
+			[ 416.916138, 601.587769 ],
+			[ 419.443909, 580.726257 ],
+			[ 423.283142, 547.730042 ],
+			[ 424.522095, 515.437195 ],
+			[ 424.316162, 490.892151 ],
+			[ 425.216614, 454.916321 ],
+			[ 425.420624, 441.329163 ],
+			[ 425.830597, 436.944031 ],
+			[ 425.862579, 436.047791 ],
+			[ 427.906403, 434.101013 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/M_2.json b/tool/recorder/data/reference/M_2.json
new file mode 100644
index 0000000..ed0d042
--- /dev/null
+++ b/tool/recorder/data/reference/M_2.json
@@ -0,0 +1,77 @@
+{
+	"type": "REFERENCE",
+	"value": "M",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 327.030518, 530.964111 ],
+			[ 320.281708, 526.375793 ],
+			[ 315.591675, 520.938660 ],
+			[ 310.690338, 512.931396 ],
+			[ 305.911560, 503.526733 ],
+			[ 302.796326, 489.854126 ],
+			[ 301.730194, 473.840088 ],
+			[ 303.460175, 459.200317 ],
+			[ 307.602386, 448.025208 ],
+			[ 313.820801, 441.838257 ],
+			[ 320.059845, 441.765076 ],
+			[ 327.034454, 444.438416 ],
+			[ 333.312775, 451.668030 ],
+			[ 339.732788, 467.847473 ],
+			[ 345.423096, 485.547485 ],
+			[ 350.744385, 507.776489 ],
+			[ 357.784515, 545.829773 ],
+			[ 364.963257, 585.493225 ],
+			[ 371.716583, 625.370728 ],
+			[ 377.567657, 651.765747 ],
+			[ 383.906677, 669.113647 ],
+			[ 392.244568, 687.467896 ],
+			[ 402.510712, 705.429993 ],
+			[ 410.866119, 718.638062 ],
+			[ 418.302948, 725.961243 ],
+			[ 425.616882, 733.210449 ],
+			[ 430.785553, 734.195190 ],
+			[ 434.347504, 732.153809 ],
+			[ 437.090820, 729.336853 ],
+			[ 439.548767, 721.061035 ],
+			[ 440.299377, 706.652832 ],
+			[ 440.482056, 689.406555 ],
+			[ 440.830750, 675.412476 ],
+			[ 441.931335, 666.195679 ],
+			[ 444.151672, 661.115845 ],
+			[ 447.447510, 658.705444 ],
+			[ 452.615173, 658.198120 ],
+			[ 460.242859, 659.995483 ],
+			[ 467.927246, 663.320679 ],
+			[ 477.760681, 673.422241 ],
+			[ 483.716858, 685.471069 ],
+			[ 487.818207, 698.310669 ],
+			[ 491.437134, 710.918945 ],
+			[ 493.932983, 720.908813 ],
+			[ 495.400696, 727.601318 ],
+			[ 495.859894, 731.756836 ],
+			[ 496.492004, 733.999390 ],
+			[ 496.891418, 735.272217 ],
+			[ 495.582489, 727.831360 ],
+			[ 494.534424, 714.943054 ],
+			[ 493.460205, 693.698730 ],
+			[ 494.065277, 672.100403 ],
+			[ 494.600281, 631.596191 ],
+			[ 494.943695, 601.478149 ],
+			[ 496.570404, 559.604248 ],
+			[ 496.645996, 525.323547 ],
+			[ 496.482300, 486.836792 ],
+			[ 496.990631, 471.953125 ],
+			[ 499.203308, 456.526733 ],
+			[ 503.088501, 441.183167 ],
+			[ 507.989990, 431.114990 ],
+			[ 514.963196, 425.744934 ],
+			[ 521.464050, 427.552612 ],
+			[ 527.945251, 432.778503 ],
+			[ 535.161621, 444.469727 ],
+			[ 540.885925, 463.470703 ],
+			[ 541.388550, 481.736633 ],
+			[ 537.730164, 502.951904 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/N_1.json b/tool/recorder/data/reference/N_1.json
new file mode 100644
index 0000000..cdc2b03
--- /dev/null
+++ b/tool/recorder/data/reference/N_1.json
@@ -0,0 +1,45 @@
+{
+	"type": "REFERENCE",
+	"value": "N",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 298.390381, 418.356079 ],
+			[ 302.824738, 419.835144 ],
+			[ 301.386719, 422.418823 ],
+			[ 302.342804, 429.550171 ],
+			[ 302.170380, 441.063354 ],
+			[ 302.248444, 458.517761 ],
+			[ 302.567688, 488.368347 ],
+			[ 302.933960, 525.660400 ],
+			[ 305.954651, 564.566833 ],
+			[ 308.561554, 587.288574 ],
+			[ 312.561401, 607.874146 ],
+			[ 316.152344, 624.112976 ],
+			[ 318.424347, 624.762573 ],
+			[ 318.736420, 623.719971 ],
+			[ 324.890167, 608.521484 ],
+			[ 334.620453, 582.136292 ],
+			[ 349.218170, 543.109192 ],
+			[ 361.317535, 509.756042 ],
+			[ 374.197876, 475.034973 ],
+			[ 383.356995, 450.877075 ],
+			[ 387.172699, 441.820068 ],
+			[ 389.562408, 439.029236 ],
+			[ 390.435883, 439.201172 ],
+			[ 391.433655, 439.290161 ],
+			[ 391.921417, 444.690613 ],
+			[ 394.642059, 469.618958 ],
+			[ 398.008972, 513.547241 ],
+			[ 403.915192, 562.412781 ],
+			[ 407.507202, 584.441467 ],
+			[ 413.452911, 601.395142 ],
+			[ 419.291656, 609.823608 ],
+			[ 423.140503, 613.663513 ],
+			[ 423.922974, 612.321838 ],
+			[ 424.503235, 612.888672 ],
+			[ 425.660828, 611.041199 ],
+			[ 426.001343, 609.981934 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/N_2.json b/tool/recorder/data/reference/N_2.json
new file mode 100644
index 0000000..20077a8
--- /dev/null
+++ b/tool/recorder/data/reference/N_2.json
@@ -0,0 +1,73 @@
+{
+	"type": "REFERENCE",
+	"value": "N",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 324.366333, 516.971375 ],
+			[ 317.828430, 514.355164 ],
+			[ 310.206024, 510.180481 ],
+			[ 300.858307, 503.035889 ],
+			[ 292.324066, 494.459229 ],
+			[ 285.023407, 481.150818 ],
+			[ 281.958679, 461.928711 ],
+			[ 283.975037, 442.867798 ],
+			[ 290.545105, 426.605042 ],
+			[ 300.061584, 417.816101 ],
+			[ 309.572632, 416.080872 ],
+			[ 318.385803, 419.075073 ],
+			[ 328.572449, 429.215515 ],
+			[ 335.946320, 450.306396 ],
+			[ 343.015259, 475.446716 ],
+			[ 353.728210, 520.095398 ],
+			[ 360.319855, 560.848022 ],
+			[ 365.957550, 602.380615 ],
+			[ 374.381866, 638.742310 ],
+			[ 387.365417, 674.333496 ],
+			[ 395.652649, 685.992737 ],
+			[ 406.053864, 701.459229 ],
+			[ 416.814575, 715.469666 ],
+			[ 424.443634, 724.366821 ],
+			[ 430.539917, 730.447144 ],
+			[ 434.434692, 733.304382 ],
+			[ 435.211731, 732.840149 ],
+			[ 437.074982, 730.333740 ],
+			[ 437.390442, 723.279175 ],
+			[ 435.619171, 700.735657 ],
+			[ 434.550995, 674.205566 ],
+			[ 430.225983, 629.782043 ],
+			[ 425.232666, 590.710083 ],
+			[ 421.773346, 550.324402 ],
+			[ 422.151733, 530.120422 ],
+			[ 426.382568, 493.999390 ],
+			[ 430.226105, 481.073242 ],
+			[ 436.389008, 467.194153 ],
+			[ 444.074188, 458.905701 ],
+			[ 452.058502, 451.306885 ],
+			[ 459.307953, 449.471008 ],
+			[ 467.615051, 450.383606 ],
+			[ 477.291016, 455.276978 ],
+			[ 484.561157, 467.693787 ],
+			[ 490.644196, 482.877747 ],
+			[ 496.574310, 506.374146 ],
+			[ 498.505157, 531.228638 ],
+			[ 505.072296, 578.032166 ],
+			[ 509.728760, 614.446167 ],
+			[ 514.901001, 645.236511 ],
+			[ 519.661072, 669.001282 ],
+			[ 526.943115, 688.714111 ],
+			[ 535.799438, 704.720154 ],
+			[ 547.055298, 715.951843 ],
+			[ 558.530212, 724.693176 ],
+			[ 566.145996, 728.587341 ],
+			[ 570.601746, 726.659180 ],
+			[ 574.473755, 723.584229 ],
+			[ 574.593262, 716.877014 ],
+			[ 571.988098, 699.431702 ],
+			[ 564.228882, 681.187744 ],
+			[ 551.388184, 667.500793 ],
+			[ 542.833801, 661.658264 ],
+			[ 539.784912, 660.888184 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/O_1.json b/tool/recorder/data/reference/O_1.json
new file mode 100644
index 0000000..21eae0b
--- /dev/null
+++ b/tool/recorder/data/reference/O_1.json
@@ -0,0 +1,35 @@
+{
+	"type": "REFERENCE",
+	"value": "O",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 378.982422, 616.252991 ],
+			[ 370.672638, 620.172485 ],
+			[ 362.271729, 622.228577 ],
+			[ 350.465515, 622.091187 ],
+			[ 337.333099, 616.058533 ],
+			[ 321.959656, 604.362122 ],
+			[ 310.244354, 582.740112 ],
+			[ 294.031769, 538.770935 ],
+			[ 288.433716, 495.840393 ],
+			[ 292.790924, 463.655029 ],
+			[ 302.122406, 436.393982 ],
+			[ 313.064148, 428.869019 ],
+			[ 326.029327, 418.981018 ],
+			[ 341.328918, 416.838623 ],
+			[ 355.382690, 421.222961 ],
+			[ 371.276733, 430.589050 ],
+			[ 387.003784, 450.013733 ],
+			[ 395.393707, 475.741333 ],
+			[ 407.686707, 521.177551 ],
+			[ 412.168640, 566.334656 ],
+			[ 409.052887, 598.894897 ],
+			[ 404.843262, 608.338501 ],
+			[ 396.296875, 610.376526 ],
+			[ 383.871307, 607.229248 ],
+			[ 372.487671, 603.377502 ],
+			[ 371.734955, 603.127319 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/O_2.json b/tool/recorder/data/reference/O_2.json
new file mode 100644
index 0000000..db7170a
--- /dev/null
+++ b/tool/recorder/data/reference/O_2.json
@@ -0,0 +1,71 @@
+{
+	"type": "REFERENCE",
+	"value": "O",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 414.949127, 736.190552 ],
+			[ 410.655212, 732.611084 ],
+			[ 408.095459, 732.299927 ],
+			[ 404.876343, 730.824585 ],
+			[ 399.606018, 729.311157 ],
+			[ 393.331116, 727.496582 ],
+			[ 384.098969, 724.375549 ],
+			[ 370.923767, 718.612915 ],
+			[ 356.512604, 709.337219 ],
+			[ 342.898926, 693.899292 ],
+			[ 328.609344, 675.384399 ],
+			[ 315.660797, 656.529480 ],
+			[ 305.139160, 635.909546 ],
+			[ 297.286743, 611.735596 ],
+			[ 290.426147, 572.931091 ],
+			[ 289.721619, 548.637024 ],
+			[ 292.053101, 517.087585 ],
+			[ 295.988159, 495.910034 ],
+			[ 301.111176, 484.720947 ],
+			[ 308.351501, 472.960571 ],
+			[ 316.897247, 460.157959 ],
+			[ 327.691620, 449.196594 ],
+			[ 339.033234, 440.492676 ],
+			[ 350.402344, 435.400818 ],
+			[ 362.904419, 433.667297 ],
+			[ 375.655060, 435.253418 ],
+			[ 386.308929, 439.872009 ],
+			[ 398.971191, 448.630554 ],
+			[ 410.436066, 459.199585 ],
+			[ 420.928986, 473.771545 ],
+			[ 429.478973, 488.853516 ],
+			[ 439.162048, 508.690063 ],
+			[ 446.371399, 531.639832 ],
+			[ 451.383484, 554.863586 ],
+			[ 459.812408, 595.071533 ],
+			[ 459.218842, 612.499268 ],
+			[ 456.618866, 628.859009 ],
+			[ 454.242340, 647.094727 ],
+			[ 448.237427, 666.112976 ],
+			[ 439.477142, 687.043213 ],
+			[ 430.556274, 706.738586 ],
+			[ 419.086334, 723.130371 ],
+			[ 409.688049, 733.796326 ],
+			[ 400.902008, 740.255859 ],
+			[ 390.644928, 743.641357 ],
+			[ 382.525513, 742.242920 ],
+			[ 373.334320, 738.952148 ],
+			[ 367.094940, 731.742188 ],
+			[ 361.468414, 721.046326 ],
+			[ 360.231934, 709.807251 ],
+			[ 361.988586, 697.693726 ],
+			[ 365.273468, 688.349365 ],
+			[ 372.394379, 681.566528 ],
+			[ 385.285004, 676.701721 ],
+			[ 403.499695, 676.667542 ],
+			[ 422.424255, 680.099060 ],
+			[ 443.782806, 686.573730 ],
+			[ 462.892395, 696.704956 ],
+			[ 481.210144, 707.922852 ],
+			[ 495.753540, 719.811890 ],
+			[ 501.347137, 727.506104 ],
+			[ 501.354095, 729.412292 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/P_1.json b/tool/recorder/data/reference/P_1.json
new file mode 100644
index 0000000..bd63571
--- /dev/null
+++ b/tool/recorder/data/reference/P_1.json
@@ -0,0 +1,45 @@
+{
+	"type": "REFERENCE",
+	"value": "P",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 350.342285, 686.216553 ],
+			[ 351.091370, 676.023621 ],
+			[ 352.284058, 667.015015 ],
+			[ 355.701019, 650.934570 ],
+			[ 359.760040, 626.377869 ],
+			[ 365.024139, 581.667664 ],
+			[ 365.917603, 538.338074 ],
+			[ 362.812469, 498.394226 ],
+			[ 356.734344, 468.591370 ],
+			[ 349.466003, 443.996033 ],
+			[ 343.734039, 437.837830 ],
+			[ 338.577209, 437.165039 ],
+			[ 329.598389, 450.234253 ]
+		],
+		[
+			[ 292.395935, 624.915161 ],
+			[ 290.948578, 619.843018 ],
+			[ 288.258484, 617.557495 ],
+			[ 285.239777, 617.669800 ],
+			[ 282.847931, 621.333557 ],
+			[ 279.657898, 630.375977 ],
+			[ 280.394592, 649.573914 ],
+			[ 293.258667, 687.492432 ],
+			[ 311.229034, 714.922363 ],
+			[ 332.110657, 733.637634 ],
+			[ 354.994690, 749.169250 ],
+			[ 377.494781, 752.720703 ],
+			[ 402.063354, 749.910461 ],
+			[ 424.552643, 739.129211 ],
+			[ 440.336884, 724.266846 ],
+			[ 447.682007, 709.982056 ],
+			[ 447.119141, 693.801636 ],
+			[ 439.829224, 678.122681 ],
+			[ 424.391449, 662.978821 ],
+			[ 402.879791, 652.398438 ],
+			[ 377.744720, 645.434570 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/P_2.json b/tool/recorder/data/reference/P_2.json
new file mode 100644
index 0000000..5e4792c
--- /dev/null
+++ b/tool/recorder/data/reference/P_2.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "P",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 346.345978, 620.250916 ],
+			[ 345.212616, 612.935791 ],
+			[ 344.474457, 607.734741 ],
+			[ 343.721649, 599.786743 ],
+			[ 343.486267, 587.049072 ],
+			[ 343.486176, 568.692505 ],
+			[ 342.613190, 536.915710 ],
+			[ 341.789215, 496.828491 ],
+			[ 342.015015, 457.419373 ],
+			[ 340.590332, 443.921753 ],
+			[ 338.057281, 428.245728 ],
+			[ 334.874054, 415.802246 ],
+			[ 331.503937, 412.318970 ]
+		],
+		[
+			[ 323.034241, 608.257202 ],
+			[ 331.449951, 612.022034 ],
+			[ 340.515686, 617.329834 ],
+			[ 353.189331, 624.069153 ],
+			[ 368.252838, 630.002075 ],
+			[ 384.194000, 634.123352 ],
+			[ 401.400848, 632.581787 ],
+			[ 412.746918, 624.523926 ],
+			[ 419.756470, 611.549805 ],
+			[ 416.271301, 594.544312 ],
+			[ 405.602936, 575.280640 ],
+			[ 389.840820, 557.171631 ],
+			[ 370.037170, 542.203735 ],
+			[ 349.644806, 532.165039 ],
+			[ 334.926208, 525.946472 ],
+			[ 329.380157, 523.077454 ],
+			[ 328.882935, 522.810486 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/Q_1.json b/tool/recorder/data/reference/Q_1.json
new file mode 100644
index 0000000..157d682
--- /dev/null
+++ b/tool/recorder/data/reference/Q_1.json
@@ -0,0 +1,45 @@
+{
+	"type": "REFERENCE",
+	"value": "Q",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 422.275665, 630.245728 ],
+			[ 413.813934, 633.296875 ],
+			[ 407.216003, 633.123779 ],
+			[ 399.433167, 628.957031 ],
+			[ 388.169769, 620.501587 ],
+			[ 374.328827, 605.346313 ],
+			[ 362.386047, 584.740723 ],
+			[ 351.896179, 559.241333 ],
+			[ 340.784576, 506.590332 ],
+			[ 342.179169, 481.616272 ],
+			[ 344.685333, 446.807617 ],
+			[ 347.888306, 431.558167 ],
+			[ 355.101868, 421.940247 ],
+			[ 365.725739, 412.669739 ],
+			[ 376.695648, 414.747498 ],
+			[ 390.409607, 423.933350 ],
+			[ 403.192474, 439.455933 ],
+			[ 415.062622, 462.916321 ],
+			[ 430.943085, 505.862793 ],
+			[ 437.962524, 549.915344 ],
+			[ 440.664124, 588.588074 ],
+			[ 438.401123, 606.266846 ],
+			[ 435.341400, 612.645386 ],
+			[ 431.365173, 617.889160 ],
+			[ 429.972382, 619.033569 ],
+			[ 429.749268, 619.216919 ]
+		],
+		[
+			[ 407.622559, 453.671021 ],
+			[ 411.626617, 448.391174 ],
+			[ 418.773407, 439.308899 ],
+			[ 428.353668, 426.152771 ],
+			[ 440.619995, 408.985352 ],
+			[ 451.438660, 392.276062 ],
+			[ 457.105621, 382.477600 ],
+			[ 460.225220, 375.606262 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/R_1.json b/tool/recorder/data/reference/R_1.json
new file mode 100644
index 0000000..68f4dfd
--- /dev/null
+++ b/tool/recorder/data/reference/R_1.json
@@ -0,0 +1,52 @@
+{
+	"type": "REFERENCE",
+	"value": "R",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 359.000916, 626.914124 ],
+			[ 359.001801, 618.424622 ],
+			[ 359.005371, 604.638855 ],
+			[ 358.568451, 575.991089 ],
+			[ 357.740631, 542.708069 ],
+			[ 357.535156, 511.453552 ],
+			[ 357.552612, 478.640930 ],
+			[ 357.939972, 444.090698 ],
+			[ 358.817169, 423.764404 ],
+			[ 360.465088, 405.756653 ],
+			[ 362.032654, 394.813721 ],
+			[ 363.328278, 390.444824 ],
+			[ 363.482880, 389.453369 ]
+		],
+		[
+			[ 343.681763, 604.925537 ],
+			[ 349.433289, 613.124634 ],
+			[ 357.732910, 619.217896 ],
+			[ 369.331024, 625.759766 ],
+			[ 387.015137, 630.422607 ],
+			[ 405.941742, 632.327637 ],
+			[ 424.207916, 628.015808 ],
+			[ 436.134888, 616.569641 ],
+			[ 439.746155, 602.504028 ],
+			[ 439.266266, 585.814270 ],
+			[ 431.946259, 567.388794 ],
+			[ 419.234894, 551.274963 ],
+			[ 404.777252, 541.013916 ],
+			[ 392.806976, 535.261414 ],
+			[ 383.333527, 534.070557 ],
+			[ 379.918945, 535.325806 ],
+			[ 378.206818, 535.194336 ],
+			[ 380.704773, 532.188171 ],
+			[ 387.223083, 524.011169 ],
+			[ 398.654663, 509.642212 ],
+			[ 412.254425, 493.656738 ],
+			[ 427.751038, 472.680115 ],
+			[ 445.558075, 450.153137 ],
+			[ 459.773926, 431.470642 ],
+			[ 468.489929, 420.701843 ],
+			[ 471.651337, 412.050476 ],
+			[ 471.780975, 411.297791 ],
+			[ 471.833435, 410.993103 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/R_2.json b/tool/recorder/data/reference/R_2.json
new file mode 100644
index 0000000..87a443a
--- /dev/null
+++ b/tool/recorder/data/reference/R_2.json
@@ -0,0 +1,54 @@
+{
+	"type": "REFERENCE",
+	"value": "R",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 366.327484, 692.879761 ],
+			[ 370.284546, 673.520874 ],
+			[ 375.358246, 654.806396 ],
+			[ 386.633606, 616.315186 ],
+			[ 398.885315, 569.798462 ],
+			[ 407.921844, 526.057007 ],
+			[ 407.847900, 509.119934 ],
+			[ 406.900482, 488.609192 ],
+			[ 403.667023, 478.863098 ],
+			[ 396.629669, 470.174622 ],
+			[ 383.858093, 473.943665 ],
+			[ 366.660767, 491.981262 ],
+			[ 366.473969, 492.197449 ],
+			[ 365.159271, 495.487671 ]
+		],
+		[
+			[ 336.355225, 647.570068 ],
+			[ 331.025024, 648.237061 ],
+			[ 329.401123, 650.081665 ],
+			[ 331.035217, 656.271484 ],
+			[ 338.167175, 669.689941 ],
+			[ 350.403320, 686.813965 ],
+			[ 367.330536, 704.546997 ],
+			[ 385.311768, 715.785767 ],
+			[ 401.966248, 719.443420 ],
+			[ 418.627869, 716.542603 ],
+			[ 434.567871, 708.084229 ],
+			[ 445.072357, 695.326111 ],
+			[ 451.491699, 681.238403 ],
+			[ 451.422913, 669.068970 ],
+			[ 449.200104, 658.149963 ],
+			[ 445.553253, 649.099121 ],
+			[ 440.894379, 640.617676 ],
+			[ 436.821106, 632.182068 ],
+			[ 435.110748, 622.763062 ],
+			[ 436.393951, 608.550537 ],
+			[ 442.478271, 588.904907 ],
+			[ 452.952271, 568.113464 ],
+			[ 468.930664, 544.333435 ],
+			[ 494.393646, 506.991455 ],
+			[ 507.167633, 494.939758 ],
+			[ 518.812439, 487.586853 ],
+			[ 531.535400, 479.163757 ],
+			[ 533.275024, 475.596619 ],
+			[ 533.744141, 475.041199 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/S_1.json b/tool/recorder/data/reference/S_1.json
new file mode 100644
index 0000000..50080bc
--- /dev/null
+++ b/tool/recorder/data/reference/S_1.json
@@ -0,0 +1,34 @@
+{
+	"type": "REFERENCE",
+	"value": "S",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 448.917664, 622.249878 ],
+			[ 442.414429, 624.418396 ],
+			[ 430.592590, 627.138428 ],
+			[ 413.479950, 627.257202 ],
+			[ 387.611298, 622.369934 ],
+			[ 360.504700, 614.058411 ],
+			[ 337.399384, 603.466309 ],
+			[ 322.715912, 593.148315 ],
+			[ 317.545074, 583.750916 ],
+			[ 320.965576, 574.951538 ],
+			[ 327.726501, 563.179688 ],
+			[ 343.282288, 554.082764 ],
+			[ 361.805939, 542.941833 ],
+			[ 381.072662, 530.769897 ],
+			[ 401.617645, 515.151245 ],
+			[ 413.881653, 500.748169 ],
+			[ 421.969574, 486.847839 ],
+			[ 421.235382, 474.400146 ],
+			[ 411.322693, 462.677551 ],
+			[ 395.240204, 450.618042 ],
+			[ 373.460907, 440.119995 ],
+			[ 349.836914, 432.017517 ],
+			[ 327.650208, 427.840149 ],
+			[ 326.608673, 427.765808 ],
+			[ 325.552185, 427.690430 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/S_2.json b/tool/recorder/data/reference/S_2.json
new file mode 100644
index 0000000..8c13073
--- /dev/null
+++ b/tool/recorder/data/reference/S_2.json
@@ -0,0 +1,73 @@
+{
+	"type": "REFERENCE",
+	"value": "S",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 367.659576, 686.882874 ],
+			[ 371.812286, 684.805054 ],
+			[ 374.030457, 681.544556 ],
+			[ 378.963715, 677.883545 ],
+			[ 383.250336, 674.515503 ],
+			[ 388.578491, 671.499268 ],
+			[ 395.214813, 668.736694 ],
+			[ 403.241058, 666.336975 ],
+			[ 412.457153, 665.321533 ],
+			[ 417.916290, 666.531494 ],
+			[ 422.801453, 668.214233 ],
+			[ 426.811523, 669.783569 ],
+			[ 430.300171, 673.706238 ],
+			[ 432.495178, 677.968506 ],
+			[ 433.297760, 682.421631 ],
+			[ 433.021881, 687.963074 ],
+			[ 432.196991, 693.174133 ],
+			[ 430.135132, 699.739380 ],
+			[ 426.990509, 705.402466 ],
+			[ 422.797180, 711.076294 ],
+			[ 418.963684, 716.454346 ],
+			[ 416.221283, 718.827942 ],
+			[ 410.655304, 722.320801 ],
+			[ 405.902649, 723.617432 ],
+			[ 400.577332, 723.712646 ],
+			[ 395.551086, 722.817444 ],
+			[ 389.752899, 721.962036 ],
+			[ 382.974823, 721.081787 ],
+			[ 375.682709, 719.620972 ],
+			[ 367.387207, 716.889404 ],
+			[ 357.882324, 712.109131 ],
+			[ 347.848907, 706.334290 ],
+			[ 338.639252, 699.696777 ],
+			[ 330.788300, 691.719360 ],
+			[ 323.742828, 683.333313 ],
+			[ 319.769409, 673.798523 ],
+			[ 316.172516, 666.079590 ],
+			[ 314.221069, 658.773193 ],
+			[ 314.369415, 651.377563 ],
+			[ 315.374573, 642.995361 ],
+			[ 341.536957, 577.900818 ],
+			[ 350.990753, 561.581238 ],
+			[ 360.209442, 546.855347 ],
+			[ 370.008911, 530.839111 ],
+			[ 377.259796, 516.664917 ],
+			[ 383.199951, 503.700806 ],
+			[ 387.297852, 495.139282 ],
+			[ 388.805206, 486.328735 ],
+			[ 389.443634, 478.880371 ],
+			[ 389.796722, 467.193176 ],
+			[ 388.582916, 458.527893 ],
+			[ 387.004364, 450.627563 ],
+			[ 383.196136, 446.432007 ],
+			[ 378.196960, 442.193176 ],
+			[ 371.429077, 438.466553 ],
+			[ 362.936188, 435.364929 ],
+			[ 354.922211, 433.061218 ],
+			[ 344.730255, 430.234009 ],
+			[ 333.555847, 428.848389 ],
+			[ 322.767883, 431.468506 ],
+			[ 310.921570, 441.050415 ],
+			[ 298.685822, 461.315735 ],
+			[ 294.765076, 470.845581 ],
+			[ 293.512451, 475.529419 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/T_1.json b/tool/recorder/data/reference/T_1.json
new file mode 100644
index 0000000..013f4ba
--- /dev/null
+++ b/tool/recorder/data/reference/T_1.json
@@ -0,0 +1,38 @@
+{
+	"type": "REFERENCE",
+	"value": "T",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 368.991669, 625.581482 ],
+			[ 375.075775, 617.835938 ],
+			[ 377.447540, 604.454590 ],
+			[ 379.436493, 584.948853 ],
+			[ 383.088379, 545.784180 ],
+			[ 385.544495, 500.212158 ],
+			[ 386.551819, 461.788086 ],
+			[ 386.133514, 438.904358 ],
+			[ 387.563232, 400.410950 ],
+			[ 387.018799, 388.428162 ],
+			[ 386.606201, 381.751953 ],
+			[ 386.522430, 378.856201 ],
+			[ 386.522644, 378.860474 ],
+			[ 386.523102, 378.874817 ],
+			[ 386.523071, 378.873657 ]
+		],
+		[
+			[ 289.731720, 621.583557 ],
+			[ 294.263916, 623.529297 ],
+			[ 301.057983, 627.254517 ],
+			[ 315.145142, 631.701782 ],
+			[ 335.995789, 635.758728 ],
+			[ 377.052460, 640.181519 ],
+			[ 405.513519, 641.313477 ],
+			[ 428.351807, 640.439209 ],
+			[ 447.044800, 640.840210 ],
+			[ 460.360382, 641.000854 ],
+			[ 467.278473, 640.763184 ],
+			[ 467.698059, 640.744019 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/U_1.json b/tool/recorder/data/reference/U_1.json
new file mode 100644
index 0000000..0d3b7bb
--- /dev/null
+++ b/tool/recorder/data/reference/U_1.json
@@ -0,0 +1,52 @@
+{
+	"type": "REFERENCE",
+	"value": "U",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 257.095276, 717.533569 ],
+			[ 261.612549, 718.179260 ],
+			[ 265.343323, 718.162231 ],
+			[ 266.989929, 708.487793 ],
+			[ 268.007721, 691.303467 ],
+			[ 270.922058, 648.369385 ],
+			[ 274.508118, 602.299194 ],
+			[ 281.405914, 541.057373 ],
+			[ 288.510590, 491.219727 ],
+			[ 293.455048, 469.897095 ],
+			[ 303.257019, 435.303406 ],
+			[ 308.144226, 429.529297 ],
+			[ 316.402710, 422.853821 ],
+			[ 325.619415, 424.584351 ],
+			[ 339.038849, 427.378967 ],
+			[ 353.039673, 434.621521 ],
+			[ 367.256317, 446.814880 ],
+			[ 379.887360, 463.959534 ],
+			[ 392.658325, 480.999878 ],
+			[ 405.718475, 503.375793 ],
+			[ 418.258484, 534.799561 ],
+			[ 428.701935, 574.067444 ],
+			[ 433.623230, 615.947510 ],
+			[ 435.507721, 670.768921 ],
+			[ 433.893768, 696.576477 ],
+			[ 433.251465, 713.182861 ],
+			[ 433.521423, 721.851562 ],
+			[ 434.431030, 728.442993 ],
+			[ 434.312408, 729.102173 ],
+			[ 434.314056, 729.038330 ],
+			[ 434.313934, 729.043091 ],
+			[ 434.115234, 710.012634 ],
+			[ 435.010284, 670.554077 ],
+			[ 437.831787, 618.431946 ],
+			[ 441.149445, 565.456360 ],
+			[ 445.572113, 509.239075 ],
+			[ 448.386719, 468.537292 ],
+			[ 450.961365, 434.097656 ],
+			[ 453.131653, 408.994934 ],
+			[ 454.218109, 399.421509 ],
+			[ 453.690887, 388.973572 ],
+			[ 453.954498, 387.800171 ],
+			[ 453.967560, 387.503296 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/V_1.json b/tool/recorder/data/reference/V_1.json
new file mode 100644
index 0000000..5dd159b
--- /dev/null
+++ b/tool/recorder/data/reference/V_1.json
@@ -0,0 +1,36 @@
+{
+	"type": "REFERENCE",
+	"value": "V",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 299.722473, 654.899536 ],
+			[ 304.910065, 651.933472 ],
+			[ 309.997833, 644.108093 ],
+			[ 316.805756, 631.440002 ],
+			[ 327.954865, 603.492554 ],
+			[ 341.574066, 562.389832 ],
+			[ 353.352478, 518.520081 ],
+			[ 360.141357, 488.945496 ],
+			[ 365.221313, 468.039917 ],
+			[ 369.628540, 448.424500 ],
+			[ 372.962311, 437.460754 ],
+			[ 375.296753, 430.456421 ],
+			[ 375.993164, 428.713501 ],
+			[ 376.002502, 428.690186 ],
+			[ 376.000183, 428.695984 ],
+			[ 376.000427, 428.695435 ],
+			[ 376.417297, 436.145813 ],
+			[ 377.735291, 457.405029 ],
+			[ 385.090332, 525.322693 ],
+			[ 392.113403, 563.466736 ],
+			[ 402.777252, 599.564880 ],
+			[ 410.901703, 617.128174 ],
+			[ 426.134521, 635.532837 ],
+			[ 431.970947, 640.709839 ],
+			[ 433.423401, 638.961243 ],
+			[ 434.131195, 640.042358 ],
+			[ 434.139130, 640.049194 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/V_2.json b/tool/recorder/data/reference/V_2.json
new file mode 100644
index 0000000..d6521d8
--- /dev/null
+++ b/tool/recorder/data/reference/V_2.json
@@ -0,0 +1,69 @@
+{
+	"type": "REFERENCE",
+	"value": "V",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 217.798340, 684.883911 ],
+			[ 220.555984, 689.022766 ],
+			[ 221.747452, 692.273682 ],
+			[ 224.870422, 696.326843 ],
+			[ 228.294556, 699.664795 ],
+			[ 232.372894, 703.721252 ],
+			[ 236.420670, 706.463379 ],
+			[ 241.772461, 709.188599 ],
+			[ 246.367203, 711.297913 ],
+			[ 250.410065, 711.920776 ],
+			[ 257.672821, 711.207703 ],
+			[ 263.056183, 709.987305 ],
+			[ 272.413879, 703.682983 ],
+			[ 277.298492, 696.389282 ],
+			[ 282.630493, 685.485229 ],
+			[ 286.804657, 676.094849 ],
+			[ 291.044800, 667.168213 ],
+			[ 294.540344, 658.520508 ],
+			[ 298.509430, 646.892944 ],
+			[ 301.568146, 631.398804 ],
+			[ 304.252686, 615.176575 ],
+			[ 307.293671, 597.993164 ],
+			[ 309.379883, 581.492004 ],
+			[ 312.790527, 561.213745 ],
+			[ 316.653564, 546.074829 ],
+			[ 321.821442, 526.826721 ],
+			[ 326.285309, 511.446960 ],
+			[ 331.821930, 495.700745 ],
+			[ 336.545380, 485.659607 ],
+			[ 342.249084, 474.317017 ],
+			[ 348.702850, 463.541016 ],
+			[ 356.983887, 452.008118 ],
+			[ 363.317261, 446.233521 ],
+			[ 369.489655, 441.888367 ],
+			[ 374.768829, 439.683105 ],
+			[ 381.363403, 438.027283 ],
+			[ 386.337067, 438.597412 ],
+			[ 392.090912, 439.445312 ],
+			[ 398.740295, 442.315613 ],
+			[ 408.139923, 450.435364 ],
+			[ 416.368774, 463.714172 ],
+			[ 425.156433, 479.617004 ],
+			[ 431.572632, 495.759094 ],
+			[ 437.153961, 517.136597 ],
+			[ 442.142456, 540.843872 ],
+			[ 448.245087, 581.622314 ],
+			[ 453.196899, 620.501099 ],
+			[ 458.022675, 655.887634 ],
+			[ 461.000732, 673.134155 ],
+			[ 463.109955, 685.274048 ],
+			[ 468.256165, 702.869202 ],
+			[ 473.657318, 713.237427 ],
+			[ 477.994873, 719.198608 ],
+			[ 480.375610, 723.771851 ],
+			[ 482.408691, 725.021362 ],
+			[ 482.677673, 725.195557 ],
+			[ 483.227753, 726.049194 ],
+			[ 483.469971, 728.325684 ],
+			[ 483.445892, 728.711670 ],
+			[ 483.371490, 729.452759 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/W_1.json b/tool/recorder/data/reference/W_1.json
new file mode 100644
index 0000000..b4a331e
--- /dev/null
+++ b/tool/recorder/data/reference/W_1.json
@@ -0,0 +1,104 @@
+{
+	"type": "REFERENCE",
+	"value": "W",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 199.814987, 699.542969 ],
+			[ 204.287155, 700.288818 ],
+			[ 206.592987, 700.163147 ],
+			[ 209.654388, 700.893188 ],
+			[ 214.904541, 703.955444 ],
+			[ 221.574692, 708.665894 ],
+			[ 230.531693, 715.626648 ],
+			[ 240.915619, 722.538025 ],
+			[ 251.153442, 728.798950 ],
+			[ 257.629089, 731.206421 ],
+			[ 263.407410, 731.228516 ],
+			[ 268.234558, 728.307373 ],
+			[ 272.740082, 721.658325 ],
+			[ 278.693085, 706.662842 ],
+			[ 283.188721, 685.671875 ],
+			[ 286.791992, 663.545288 ],
+			[ 292.025085, 621.103638 ],
+			[ 294.786835, 589.513672 ],
+			[ 297.802032, 551.607483 ],
+			[ 299.353027, 526.947754 ],
+			[ 302.580200, 492.238464 ],
+			[ 303.159698, 479.543335 ],
+			[ 305.596893, 467.617371 ],
+			[ 310.894928, 456.888611 ],
+			[ 319.186890, 447.092834 ],
+			[ 328.412628, 440.572144 ],
+			[ 338.550171, 436.949524 ],
+			[ 348.833069, 435.696716 ],
+			[ 357.002350, 436.967712 ],
+			[ 365.420380, 440.248291 ],
+			[ 372.199799, 449.889648 ],
+			[ 378.068848, 466.529358 ],
+			[ 383.410309, 484.969788 ],
+			[ 387.710236, 506.955017 ],
+			[ 390.547028, 528.419067 ],
+			[ 393.330933, 549.534607 ],
+			[ 394.929779, 567.386841 ],
+			[ 397.166565, 584.798584 ],
+			[ 398.295837, 595.226318 ],
+			[ 399.931274, 600.588257 ],
+			[ 400.446747, 602.182800 ],
+			[ 400.080688, 598.354004 ],
+			[ 399.379852, 581.987244 ],
+			[ 398.708191, 561.299255 ],
+			[ 399.135010, 539.071716 ],
+			[ 400.553284, 517.976868 ],
+			[ 402.407745, 497.435242 ],
+			[ 405.320770, 481.019104 ],
+			[ 409.363831, 466.792114 ],
+			[ 413.193542, 457.403015 ],
+			[ 419.017090, 447.635986 ],
+			[ 424.736542, 440.229248 ],
+			[ 432.039673, 434.698853 ],
+			[ 438.018585, 429.343933 ],
+			[ 443.250732, 427.634705 ],
+			[ 448.619476, 426.271790 ],
+			[ 454.143707, 427.530579 ],
+			[ 460.163879, 429.537170 ],
+			[ 466.142487, 433.949585 ],
+			[ 473.384552, 444.554199 ],
+			[ 480.102417, 458.787842 ],
+			[ 485.378265, 474.816101 ],
+			[ 490.467957, 493.605957 ],
+			[ 493.692352, 526.348328 ],
+			[ 495.818604, 563.415039 ],
+			[ 497.250092, 599.159424 ],
+			[ 499.816925, 632.841614 ],
+			[ 502.026184, 665.432007 ],
+			[ 502.525757, 678.472473 ],
+			[ 500.811615, 694.287537 ],
+			[ 499.857605, 703.352478 ],
+			[ 499.629700, 711.121887 ],
+			[ 498.004883, 713.798889 ],
+			[ 494.302551, 716.080566 ],
+			[ 493.327667, 716.188232 ],
+			[ 491.509460, 717.306641 ],
+			[ 489.579742, 718.947205 ],
+			[ 486.922028, 722.814575 ],
+			[ 485.441406, 724.668335 ],
+			[ 483.941528, 726.803101 ],
+			[ 482.296875, 729.149841 ],
+			[ 481.028625, 730.940918 ],
+			[ 478.119781, 734.573486 ],
+			[ 475.987640, 737.258545 ],
+			[ 472.705383, 738.862671 ],
+			[ 469.369598, 739.246216 ],
+			[ 463.805695, 735.595642 ],
+			[ 459.567017, 729.022217 ],
+			[ 458.269989, 720.594055 ],
+			[ 461.609497, 711.474976 ],
+			[ 476.513916, 705.768188 ],
+			[ 498.843811, 708.963135 ],
+			[ 536.243958, 732.672424 ],
+			[ 540.928162, 736.052979 ],
+			[ 552.529541, 746.777710 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/W_2.json b/tool/recorder/data/reference/W_2.json
new file mode 100644
index 0000000..8bde8e0
--- /dev/null
+++ b/tool/recorder/data/reference/W_2.json
@@ -0,0 +1,65 @@
+{
+	"type": "REFERENCE",
+	"value": "W",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 265.087891, 642.905762 ],
+			[ 270.261597, 639.578735 ],
+			[ 273.395630, 632.738037 ],
+			[ 279.113251, 619.386841 ],
+			[ 285.303955, 597.970703 ],
+			[ 295.635864, 561.423462 ],
+			[ 303.904755, 531.812927 ],
+			[ 308.913269, 511.551636 ],
+			[ 314.005005, 492.628662 ],
+			[ 318.820679, 473.673523 ],
+			[ 322.473633, 458.189209 ],
+			[ 325.904175, 446.275879 ],
+			[ 326.648865, 442.289795 ],
+			[ 327.438843, 439.922180 ],
+			[ 327.305450, 440.325256 ],
+			[ 327.295471, 440.355469 ],
+			[ 327.430817, 441.385376 ],
+			[ 328.384888, 447.796753 ],
+			[ 330.822845, 463.622681 ],
+			[ 334.092682, 478.248657 ],
+			[ 338.846283, 496.323242 ],
+			[ 344.961853, 516.693054 ],
+			[ 351.763916, 532.044739 ],
+			[ 356.720764, 541.236328 ],
+			[ 360.036285, 543.536499 ],
+			[ 361.999603, 544.084656 ],
+			[ 363.501648, 545.416443 ],
+			[ 368.137238, 538.299194 ],
+			[ 372.467316, 526.543152 ],
+			[ 378.033264, 511.632507 ],
+			[ 384.103119, 499.991821 ],
+			[ 390.664734, 489.715698 ],
+			[ 397.584534, 477.149292 ],
+			[ 403.840729, 465.702698 ],
+			[ 409.343628, 455.135254 ],
+			[ 412.445068, 447.244507 ],
+			[ 416.160492, 440.157593 ],
+			[ 416.669037, 438.473206 ],
+			[ 417.722473, 435.581299 ],
+			[ 418.723083, 435.478210 ],
+			[ 420.016785, 441.691040 ],
+			[ 422.470490, 454.779236 ],
+			[ 425.341125, 470.863220 ],
+			[ 428.637787, 487.856506 ],
+			[ 432.954590, 510.851379 ],
+			[ 437.906006, 535.558472 ],
+			[ 445.165833, 557.294800 ],
+			[ 451.176849, 574.846130 ],
+			[ 457.042053, 589.178772 ],
+			[ 461.523010, 598.584473 ],
+			[ 466.791107, 608.597595 ],
+			[ 470.703613, 614.255981 ],
+			[ 472.435516, 617.694214 ],
+			[ 472.706909, 618.515015 ],
+			[ 472.837372, 618.898193 ],
+			[ 472.803375, 618.798340 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/X_1.json b/tool/recorder/data/reference/X_1.json
new file mode 100644
index 0000000..7c151ef
--- /dev/null
+++ b/tool/recorder/data/reference/X_1.json
@@ -0,0 +1,84 @@
+{
+	"type": "REFERENCE",
+	"value": "X",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 237.113785, 684.883911 ],
+			[ 237.113586, 689.329285 ],
+			[ 236.413467, 692.168152 ],
+			[ 236.490234, 694.836609 ],
+			[ 239.453323, 697.877747 ],
+			[ 243.523605, 702.328613 ],
+			[ 251.293884, 708.327148 ],
+			[ 260.679840, 714.369202 ],
+			[ 271.514893, 721.048218 ],
+			[ 279.793152, 724.051392 ],
+			[ 289.676208, 725.551147 ],
+			[ 296.783417, 724.207153 ],
+			[ 304.092346, 721.284058 ],
+			[ 310.768555, 714.308960 ],
+			[ 315.773987, 707.530273 ],
+			[ 320.789124, 696.454468 ],
+			[ 325.717804, 680.857300 ],
+			[ 329.843994, 666.567139 ],
+			[ 333.096191, 652.585938 ],
+			[ 335.716675, 638.365356 ],
+			[ 339.453094, 620.733215 ],
+			[ 343.610413, 602.499268 ],
+			[ 347.519073, 584.280762 ],
+			[ 352.047638, 565.942627 ],
+			[ 356.853668, 547.906860 ],
+			[ 363.539429, 527.205933 ],
+			[ 371.028748, 508.556763 ],
+			[ 378.791412, 491.050232 ],
+			[ 387.758057, 478.747498 ],
+			[ 397.514099, 469.804199 ],
+			[ 409.115570, 462.691772 ],
+			[ 418.866028, 461.148743 ],
+			[ 426.466064, 465.437866 ],
+			[ 431.466797, 476.042725 ],
+			[ 433.505249, 484.066345 ],
+			[ 433.257141, 486.621094 ]
+		],
+		[
+			[ 446.919525, 686.882874 ],
+			[ 443.944763, 690.602417 ],
+			[ 438.483795, 698.118286 ],
+			[ 434.582855, 703.323242 ],
+			[ 427.781769, 710.449341 ],
+			[ 420.090851, 715.511841 ],
+			[ 413.917725, 717.643555 ],
+			[ 406.678162, 717.936218 ],
+			[ 400.406403, 717.435181 ],
+			[ 394.696777, 716.145508 ],
+			[ 388.709412, 712.678650 ],
+			[ 382.235840, 706.424927 ],
+			[ 376.410034, 698.801453 ],
+			[ 370.632507, 689.266479 ],
+			[ 366.327881, 678.854736 ],
+			[ 362.600983, 669.163025 ],
+			[ 358.683502, 657.783691 ],
+			[ 356.220032, 647.580566 ],
+			[ 353.072296, 634.697571 ],
+			[ 351.250244, 621.543884 ],
+			[ 348.055634, 608.695068 ],
+			[ 344.813721, 594.739624 ],
+			[ 340.804474, 578.621948 ],
+			[ 336.315704, 562.663147 ],
+			[ 328.663422, 548.484558 ],
+			[ 320.366180, 533.501404 ],
+			[ 311.205994, 516.825012 ],
+			[ 301.234497, 498.252136 ],
+			[ 291.817139, 480.949707 ],
+			[ 282.472656, 461.856323 ],
+			[ 273.705200, 443.371216 ],
+			[ 263.072540, 430.883911 ],
+			[ 253.505798, 426.083801 ],
+			[ 243.079224, 428.741882 ],
+			[ 234.043060, 437.786011 ],
+			[ 231.981110, 447.208008 ],
+			[ 232.642014, 449.554626 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/X_2.json b/tool/recorder/data/reference/X_2.json
new file mode 100644
index 0000000..0d923be
--- /dev/null
+++ b/tool/recorder/data/reference/X_2.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "X",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 334.357086, 628.246765 ],
+			[ 340.660461, 618.298950 ],
+			[ 347.208893, 603.902771 ],
+			[ 355.909821, 584.955505 ],
+			[ 365.180908, 564.256592 ],
+			[ 384.635376, 524.221191 ],
+			[ 399.086090, 497.002136 ],
+			[ 419.130951, 458.092712 ],
+			[ 430.766968, 434.934204 ],
+			[ 437.966797, 421.419983 ],
+			[ 442.639221, 411.839539 ],
+			[ 446.046692, 404.107971 ],
+			[ 446.940979, 402.052002 ],
+			[ 448.152008, 399.676514 ],
+			[ 447.809143, 400.349243 ],
+			[ 447.838165, 400.292297 ]
+		],
+		[
+			[ 432.266418, 619.584595 ],
+			[ 428.447693, 613.730103 ],
+			[ 425.127228, 604.317749 ],
+			[ 419.218964, 589.514648 ],
+			[ 409.491272, 568.097351 ],
+			[ 387.516754, 526.688965 ],
+			[ 372.235596, 500.992615 ],
+			[ 356.477356, 477.692749 ],
+			[ 341.263092, 455.603271 ],
+			[ 328.698273, 439.286560 ],
+			[ 320.885040, 428.714294 ],
+			[ 315.914612, 421.978882 ],
+			[ 315.436279, 421.100281 ],
+			[ 315.347595, 420.937378 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/Y_1.json b/tool/recorder/data/reference/Y_1.json
new file mode 100644
index 0000000..5e0c95a
--- /dev/null
+++ b/tool/recorder/data/reference/Y_1.json
@@ -0,0 +1,99 @@
+{
+	"type": "REFERENCE",
+	"value": "Y",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 237.779831, 696.877686 ],
+			[ 242.832611, 697.603149 ],
+			[ 247.432159, 698.395264 ],
+			[ 253.540176, 700.830261 ],
+			[ 258.532318, 703.627258 ],
+			[ 265.038757, 708.232483 ],
+			[ 271.964142, 713.060608 ],
+			[ 279.778076, 718.179382 ],
+			[ 289.813019, 722.064331 ],
+			[ 299.819763, 722.757141 ],
+			[ 308.061646, 721.812378 ],
+			[ 314.490570, 718.047852 ],
+			[ 319.996887, 706.419739 ],
+			[ 322.508362, 686.667114 ],
+			[ 324.259705, 662.427429 ],
+			[ 325.942871, 621.468262 ],
+			[ 326.458221, 597.040222 ],
+			[ 324.983398, 559.939026 ],
+			[ 323.505127, 519.127075 ],
+			[ 323.961761, 503.144348 ],
+			[ 327.484558, 488.709229 ],
+			[ 333.696533, 473.242798 ],
+			[ 341.015686, 462.130493 ],
+			[ 349.851959, 456.668945 ],
+			[ 359.503082, 452.441833 ],
+			[ 369.691345, 449.557678 ],
+			[ 380.064178, 448.191956 ],
+			[ 388.290375, 449.776306 ],
+			[ 395.999603, 453.468872 ],
+			[ 405.167145, 462.183594 ],
+			[ 412.700500, 474.336975 ],
+			[ 423.472717, 491.500244 ],
+			[ 429.497375, 510.293945 ],
+			[ 437.628174, 535.055481 ],
+			[ 446.209442, 577.072266 ],
+			[ 447.720703, 600.007568 ],
+			[ 450.431763, 637.850037 ],
+			[ 453.415070, 672.421570 ],
+			[ 454.619629, 689.092957 ],
+			[ 455.331238, 701.229248 ],
+			[ 456.262878, 717.558472 ],
+			[ 455.627441, 726.938782 ],
+			[ 454.878235, 732.404053 ],
+			[ 453.244049, 737.431396 ],
+			[ 451.597168, 739.910583 ],
+			[ 450.903931, 740.868530 ],
+			[ 450.973206, 741.735718 ],
+			[ 450.979004, 738.009399 ],
+			[ 451.010773, 725.529419 ],
+			[ 451.075867, 703.666748 ],
+			[ 451.116364, 678.167603 ],
+			[ 448.054810, 634.384705 ],
+			[ 446.669434, 605.794800 ],
+			[ 444.385986, 571.323608 ],
+			[ 443.782715, 531.513184 ],
+			[ 442.807831, 495.859131 ],
+			[ 441.589813, 461.049622 ],
+			[ 440.776703, 426.277344 ],
+			[ 438.626282, 395.193542 ],
+			[ 436.979919, 367.569214 ],
+			[ 434.381500, 335.023560 ],
+			[ 430.711639, 293.220886 ],
+			[ 430.252411, 285.337463 ],
+			[ 422.437042, 247.670044 ],
+			[ 417.568085, 233.638672 ],
+			[ 407.455444, 211.788696 ],
+			[ 399.467468, 197.068604 ],
+			[ 388.486572, 178.747620 ],
+			[ 378.551605, 170.229980 ],
+			[ 370.304169, 169.519470 ],
+			[ 361.317719, 172.841064 ],
+			[ 351.944183, 180.422607 ],
+			[ 344.595856, 191.057800 ],
+			[ 339.327362, 203.603760 ],
+			[ 335.407196, 217.421814 ],
+			[ 334.663208, 233.940430 ],
+			[ 336.303955, 252.100281 ],
+			[ 341.083832, 269.207336 ],
+			[ 350.299530, 290.420471 ],
+			[ 362.875580, 310.599915 ],
+			[ 379.830048, 336.927246 ],
+			[ 406.004974, 372.963074 ],
+			[ 423.493896, 392.366638 ],
+			[ 456.999573, 431.136414 ],
+			[ 473.374695, 445.817444 ],
+			[ 487.529907, 459.364502 ],
+			[ 502.688141, 474.394470 ],
+			[ 512.572327, 482.678406 ],
+			[ 517.389404, 487.250916 ],
+			[ 517.726501, 487.596008 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/Y_2.json b/tool/recorder/data/reference/Y_2.json
new file mode 100644
index 0000000..8480a79
--- /dev/null
+++ b/tool/recorder/data/reference/Y_2.json
@@ -0,0 +1,51 @@
+{
+	"type": "REFERENCE",
+	"value": "Y",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 313.043488, 631.578369 ],
+			[ 317.790375, 629.543701 ],
+			[ 321.803589, 622.867371 ],
+			[ 327.028412, 615.648804 ],
+			[ 333.304626, 605.274414 ],
+			[ 340.733765, 590.021362 ],
+			[ 348.577911, 574.198242 ],
+			[ 355.939789, 561.516724 ],
+			[ 360.564575, 554.860168 ],
+			[ 363.505432, 550.908997 ],
+			[ 365.661407, 549.233643 ],
+			[ 369.158752, 546.581970 ],
+			[ 371.284973, 546.298340 ],
+			[ 373.988861, 546.830078 ],
+			[ 376.967651, 548.026123 ],
+			[ 381.789612, 553.671875 ],
+			[ 390.104126, 567.638855 ],
+			[ 396.183960, 582.108826 ],
+			[ 405.453613, 599.868530 ],
+			[ 416.489319, 618.514404 ],
+			[ 426.734222, 634.620850 ],
+			[ 433.828369, 645.290710 ],
+			[ 438.089264, 650.392334 ],
+			[ 438.748474, 650.845032 ],
+			[ 440.521027, 651.660583 ]
+		],
+		[
+			[ 362.997223, 540.958862 ],
+			[ 362.997101, 537.003723 ],
+			[ 362.996216, 530.366272 ],
+			[ 362.991028, 518.036194 ],
+			[ 362.421661, 504.460266 ],
+			[ 362.186646, 484.513672 ],
+			[ 361.379974, 462.156128 ],
+			[ 361.443695, 443.999390 ],
+			[ 361.545074, 429.750549 ],
+			[ 361.596252, 418.620483 ],
+			[ 360.837738, 409.842285 ],
+			[ 360.723022, 407.397522 ],
+			[ 360.808960, 405.929321 ],
+			[ 360.804871, 406.028503 ],
+			[ 360.807587, 405.962097 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/Z_1.json b/tool/recorder/data/reference/Z_1.json
new file mode 100644
index 0000000..94b10f8
--- /dev/null
+++ b/tool/recorder/data/reference/Z_1.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "Z",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 286.401489, 614.254028 ],
+			[ 297.920624, 614.888794 ],
+			[ 310.784149, 615.627075 ],
+			[ 327.595734, 616.382202 ],
+			[ 348.880463, 615.723633 ],
+			[ 374.306152, 613.154907 ],
+			[ 414.149811, 608.039795 ],
+			[ 430.826569, 606.762817 ],
+			[ 443.668732, 604.942139 ],
+			[ 450.154297, 602.824219 ],
+			[ 451.594177, 598.329224 ],
+			[ 446.505737, 589.931763 ],
+			[ 435.678802, 574.467773 ],
+			[ 420.166351, 554.056458 ],
+			[ 399.788239, 534.257324 ],
+			[ 376.353943, 513.225098 ],
+			[ 350.529297, 492.914673 ],
+			[ 328.855774, 475.465759 ],
+			[ 311.610077, 461.617554 ],
+			[ 296.332397, 446.603394 ],
+			[ 287.896637, 437.295044 ],
+			[ 284.871460, 433.979919 ],
+			[ 284.202667, 432.092712 ],
+			[ 288.386261, 430.043518 ],
+			[ 313.808929, 425.505554 ],
+			[ 332.158386, 424.057800 ],
+			[ 351.182129, 424.874512 ],
+			[ 376.727173, 426.713135 ],
+			[ 399.659485, 430.191650 ],
+			[ 417.271057, 433.902893 ],
+			[ 440.750122, 439.016968 ],
+			[ 444.068146, 440.018372 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/Z_2.json b/tool/recorder/data/reference/Z_2.json
new file mode 100644
index 0000000..818789f
--- /dev/null
+++ b/tool/recorder/data/reference/Z_2.json
@@ -0,0 +1,126 @@
+{
+	"type": "REFERENCE",
+	"value": "Z",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 235.781677, 646.903687 ],
+			[ 231.334091, 646.903687 ],
+			[ 229.005814, 648.116882 ],
+			[ 227.137131, 649.874390 ],
+			[ 221.011734, 658.338928 ],
+			[ 217.684326, 663.945557 ],
+			[ 214.022369, 672.722900 ],
+			[ 211.751785, 683.246216 ],
+			[ 212.050568, 692.176147 ],
+			[ 213.418076, 700.992065 ],
+			[ 216.548859, 707.737427 ],
+			[ 220.950256, 712.890259 ],
+			[ 227.453598, 717.777588 ],
+			[ 236.043610, 720.777466 ],
+			[ 249.195831, 722.798706 ],
+			[ 260.791901, 722.662231 ],
+			[ 271.322052, 721.033997 ],
+			[ 282.206909, 719.312012 ],
+			[ 295.011200, 714.841858 ],
+			[ 309.370361, 707.642395 ],
+			[ 323.998749, 697.156982 ],
+			[ 338.415039, 684.487671 ],
+			[ 352.675629, 672.280762 ],
+			[ 366.756256, 661.041931 ],
+			[ 382.187775, 651.227173 ],
+			[ 394.162659, 644.639709 ],
+			[ 405.629547, 637.750854 ],
+			[ 416.378754, 632.553833 ],
+			[ 428.130188, 628.167786 ],
+			[ 437.895416, 624.659363 ],
+			[ 445.263550, 623.726135 ],
+			[ 455.071136, 624.439087 ],
+			[ 460.429993, 625.877441 ],
+			[ 466.764374, 626.270874 ],
+			[ 471.088654, 627.201904 ],
+			[ 475.696381, 629.186157 ],
+			[ 479.265045, 631.604248 ],
+			[ 485.014099, 637.533325 ],
+			[ 487.556458, 641.790161 ],
+			[ 490.209320, 646.772156 ],
+			[ 491.536469, 650.728760 ],
+			[ 492.409637, 655.088074 ],
+			[ 493.900238, 659.298767 ],
+			[ 495.305359, 664.289062 ],
+			[ 496.784515, 670.362549 ],
+			[ 497.878235, 676.781372 ],
+			[ 498.207214, 683.922546 ],
+			[ 497.148895, 690.466248 ],
+			[ 496.378845, 696.421753 ],
+			[ 495.720734, 701.814819 ],
+			[ 494.216553, 706.102417 ],
+			[ 492.070984, 708.943115 ],
+			[ 488.691620, 711.039551 ],
+			[ 483.847839, 711.784912 ],
+			[ 479.268860, 711.244568 ],
+			[ 472.083557, 709.814270 ],
+			[ 466.678314, 708.007141 ],
+			[ 454.178955, 699.735229 ],
+			[ 447.281464, 691.418579 ],
+			[ 440.070099, 681.779907 ],
+			[ 433.840790, 674.180298 ],
+			[ 425.220795, 662.755371 ],
+			[ 417.957550, 652.307617 ],
+			[ 409.794403, 638.129028 ],
+			[ 402.246826, 624.562744 ],
+			[ 394.157532, 611.138550 ],
+			[ 385.152130, 598.091064 ],
+			[ 378.297028, 586.150146 ],
+			[ 369.124115, 572.236877 ],
+			[ 360.861053, 558.563171 ],
+			[ 351.952942, 546.222717 ],
+			[ 340.486237, 530.445374 ],
+			[ 329.462860, 514.655762 ],
+			[ 318.200897, 499.183350 ],
+			[ 305.482605, 483.973083 ],
+			[ 292.925323, 468.410339 ],
+			[ 281.184784, 453.693848 ],
+			[ 269.331818, 443.402466 ],
+			[ 258.439545, 434.794556 ],
+			[ 247.230392, 428.739624 ],
+			[ 238.863083, 425.316956 ],
+			[ 230.225540, 423.432861 ],
+			[ 225.073441, 424.092773 ],
+			[ 217.715317, 425.818604 ],
+			[ 213.238541, 431.263733 ],
+			[ 210.523346, 437.184692 ],
+			[ 208.062912, 444.313049 ],
+			[ 206.288712, 453.263000 ],
+			[ 205.217285, 460.028992 ],
+			[ 205.116486, 464.705627 ],
+			[ 204.975677, 468.576660 ],
+			[ 206.298676, 474.806824 ],
+			[ 208.437500, 478.012817 ],
+			[ 211.723450, 479.718628 ],
+			[ 217.064804, 481.333923 ],
+			[ 224.799545, 483.017395 ],
+			[ 233.700729, 483.620972 ],
+			[ 247.007050, 483.915283 ],
+			[ 259.608521, 483.414673 ],
+			[ 270.960571, 481.995178 ],
+			[ 280.799438, 481.161743 ],
+			[ 304.119507, 476.247681 ],
+			[ 314.200531, 471.637390 ],
+			[ 324.265808, 465.733826 ],
+			[ 333.237274, 459.146179 ],
+			[ 345.017517, 451.196106 ],
+			[ 356.715759, 443.905884 ],
+			[ 369.344543, 435.761475 ],
+			[ 383.399109, 428.479248 ],
+			[ 400.028412, 421.536011 ],
+			[ 417.901459, 416.659241 ],
+			[ 436.312225, 414.758728 ],
+			[ 452.724304, 415.523804 ],
+			[ 470.650665, 416.936523 ],
+			[ 487.830902, 417.965210 ],
+			[ 494.833160, 418.420593 ],
+			[ 495.363251, 418.455566 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/[_1.json b/tool/recorder/data/reference/[_1.json
new file mode 100644
index 0000000..915920c
--- /dev/null
+++ b/tool/recorder/data/reference/[_1.json
@@ -0,0 +1,46 @@
+{
+	"type": "REFERENCE",
+	"value": "[",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 432.932465, 628.246765 ],
+			[ 428.297760, 627.474121 ],
+			[ 419.003937, 623.625305 ],
+			[ 412.903442, 622.144531 ],
+			[ 404.976746, 620.586304 ],
+			[ 392.955414, 618.796997 ],
+			[ 378.495026, 618.742065 ],
+			[ 362.963776, 618.500610 ],
+			[ 346.421936, 618.460327 ],
+			[ 332.083405, 618.087524 ],
+			[ 321.033051, 618.440002 ],
+			[ 312.355927, 618.099609 ],
+			[ 307.111755, 618.086487 ],
+			[ 305.613281, 617.666931 ],
+			[ 304.843597, 617.323486 ],
+			[ 306.755493, 613.240845 ],
+			[ 310.877045, 606.268799 ],
+			[ 316.079559, 589.163269 ],
+			[ 320.057953, 565.590698 ],
+			[ 323.838928, 527.161377 ],
+			[ 324.056580, 501.013306 ],
+			[ 323.292236, 483.185364 ],
+			[ 322.781128, 466.769653 ],
+			[ 322.812073, 452.272644 ],
+			[ 323.280334, 441.621948 ],
+			[ 324.095001, 436.034119 ],
+			[ 325.300964, 432.680908 ],
+			[ 327.152618, 431.493347 ],
+			[ 329.355560, 430.240967 ],
+			[ 332.088013, 429.741821 ],
+			[ 334.033173, 429.492554 ],
+			[ 341.611847, 426.989319 ],
+			[ 347.507416, 425.693359 ],
+			[ 356.434570, 424.115295 ],
+			[ 369.309540, 423.094543 ],
+			[ 382.009491, 422.246582 ],
+			[ 397.763397, 420.965576 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/]_1.json b/tool/recorder/data/reference/]_1.json
new file mode 100644
index 0000000..3ea744c
--- /dev/null
+++ b/tool/recorder/data/reference/]_1.json
@@ -0,0 +1,40 @@
+{
+	"type": "REFERENCE",
+	"value": "]",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 359.000916, 552.952637 ],
+			[ 364.943481, 551.631470 ],
+			[ 371.612671, 551.637085 ],
+			[ 380.489594, 552.181763 ],
+			[ 390.789612, 551.615845 ],
+			[ 402.363251, 550.353760 ],
+			[ 413.806549, 548.654785 ],
+			[ 420.729218, 547.178345 ],
+			[ 424.625275, 545.841248 ],
+			[ 426.755096, 545.092651 ],
+			[ 428.050934, 544.716614 ],
+			[ 426.714844, 533.865295 ],
+			[ 425.642365, 520.092590 ],
+			[ 425.232727, 504.697632 ],
+			[ 424.013306, 486.290710 ],
+			[ 422.854523, 466.896606 ],
+			[ 420.106964, 445.263000 ],
+			[ 417.409485, 426.332458 ],
+			[ 416.058594, 407.391602 ],
+			[ 416.525360, 392.167297 ],
+			[ 416.402008, 382.957458 ],
+			[ 416.460968, 379.162048 ],
+			[ 415.917877, 376.556824 ],
+			[ 415.833374, 376.175842 ],
+			[ 415.799591, 376.023499 ],
+			[ 415.809967, 376.070129 ],
+			[ 410.320709, 377.848511 ],
+			[ 401.071716, 380.462891 ],
+			[ 389.652618, 384.166870 ],
+			[ 386.136017, 385.817505 ],
+			[ 384.233978, 386.672668 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/^_1.json b/tool/recorder/data/reference/^_1.json
new file mode 100644
index 0000000..acf448b
--- /dev/null
+++ b/tool/recorder/data/reference/^_1.json
@@ -0,0 +1,28 @@
+{
+	"type": "REFERENCE",
+	"value": "^",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 307.715088, 558.949524 ],
+			[ 312.310608, 558.949402 ],
+			[ 317.958740, 562.760803 ],
+			[ 327.401031, 572.347046 ],
+			[ 338.082001, 584.295593 ],
+			[ 351.906219, 597.145508 ],
+			[ 363.977081, 608.147827 ],
+			[ 372.149231, 616.774902 ],
+			[ 377.626190, 622.887329 ],
+			[ 380.130554, 625.456665 ],
+			[ 381.572815, 625.607849 ],
+			[ 384.449097, 622.459351 ],
+			[ 390.541840, 612.573120 ],
+			[ 399.540161, 597.004272 ],
+			[ 408.143585, 581.359680 ],
+			[ 414.630249, 567.383484 ],
+			[ 420.725555, 556.394348 ],
+			[ 422.240356, 553.065247 ],
+			[ 422.446198, 552.661926 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/a_1.json b/tool/recorder/data/reference/a_1.json
new file mode 100644
index 0000000..d9ab7d1
--- /dev/null
+++ b/tool/recorder/data/reference/a_1.json
@@ -0,0 +1,43 @@
+{
+	"type": "REFERENCE",
+	"value": "a",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 372.987976, 546.289429 ],
+			[ 362.114227, 545.388062 ],
+			[ 353.172607, 540.514587 ],
+			[ 341.796570, 530.915039 ],
+			[ 331.015808, 515.500305 ],
+			[ 324.138763, 497.589905 ],
+			[ 322.910431, 479.051514 ],
+			[ 324.530579, 459.144897 ],
+			[ 330.256104, 448.454773 ],
+			[ 338.031647, 443.235596 ],
+			[ 346.273529, 443.054016 ],
+			[ 354.127747, 445.704224 ],
+			[ 363.431793, 452.923706 ],
+			[ 370.249023, 465.033569 ],
+			[ 373.626587, 479.237610 ],
+			[ 373.900269, 493.638550 ],
+			[ 372.276520, 512.059265 ],
+			[ 370.936218, 527.416504 ],
+			[ 370.197540, 534.453613 ],
+			[ 369.933228, 536.570190 ],
+			[ 369.788574, 537.733398 ],
+			[ 369.904236, 535.544800 ],
+			[ 369.972626, 525.588928 ],
+			[ 370.204254, 503.458191 ],
+			[ 371.635498, 483.472656 ],
+			[ 375.142090, 462.015564 ],
+			[ 382.435303, 445.115845 ],
+			[ 389.441101, 438.033325 ],
+			[ 398.182190, 434.099182 ],
+			[ 408.330658, 433.255554 ],
+			[ 419.120422, 437.366943 ],
+			[ 428.713959, 446.358093 ],
+			[ 434.691681, 454.358337 ],
+			[ 435.115448, 454.935181 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/a_2.json b/tool/recorder/data/reference/a_2.json
new file mode 100644
index 0000000..44b355e
--- /dev/null
+++ b/tool/recorder/data/reference/a_2.json
@@ -0,0 +1,50 @@
+{
+	"type": "REFERENCE",
+	"value": "a",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 349.010193, 512.973450 ],
+			[ 349.010254, 516.838196 ],
+			[ 352.840088, 520.610046 ],
+			[ 358.519836, 525.978516 ],
+			[ 365.619873, 531.402710 ],
+			[ 374.702576, 536.567932 ],
+			[ 384.916718, 539.920471 ],
+			[ 393.022827, 538.829407 ],
+			[ 401.115234, 529.142151 ],
+			[ 406.719025, 511.162231 ],
+			[ 409.457520, 489.916565 ],
+			[ 410.815582, 465.754700 ],
+			[ 409.610168, 447.348206 ],
+			[ 408.265747, 435.215759 ],
+			[ 407.482391, 426.246094 ],
+			[ 406.186615, 423.661926 ],
+			[ 404.652405, 422.790039 ]
+		],
+		[
+			[ 421.609619, 476.325867 ],
+			[ 417.591217, 477.643066 ],
+			[ 413.138397, 479.314636 ],
+			[ 406.634369, 481.900208 ],
+			[ 398.555817, 484.519897 ],
+			[ 389.415802, 485.335999 ],
+			[ 380.342529, 483.321899 ],
+			[ 371.293060, 476.778381 ],
+			[ 362.609619, 465.767212 ],
+			[ 358.111938, 454.326050 ],
+			[ 357.660522, 444.385864 ],
+			[ 359.137024, 438.630310 ],
+			[ 361.833313, 434.535706 ],
+			[ 368.605133, 433.261780 ],
+			[ 379.029755, 434.270752 ],
+			[ 391.128571, 436.846558 ],
+			[ 402.898865, 444.422485 ],
+			[ 412.835846, 455.050537 ],
+			[ 418.207153, 464.471985 ],
+			[ 419.750153, 473.040955 ],
+			[ 419.773865, 473.349182 ],
+			[ 419.795410, 473.628906 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/b_1.json b/tool/recorder/data/reference/b_1.json
new file mode 100644
index 0000000..d471787
--- /dev/null
+++ b/tool/recorder/data/reference/b_1.json
@@ -0,0 +1,66 @@
+{
+	"type": "REFERENCE",
+	"value": "b",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 333.024963, 437.013000 ],
+			[ 338.821777, 437.534668 ],
+			[ 344.319000, 438.606140 ],
+			[ 353.014404, 442.247925 ],
+			[ 364.175507, 449.587036 ],
+			[ 378.737000, 463.807617 ],
+			[ 395.964355, 483.371826 ],
+			[ 410.824493, 506.471619 ],
+			[ 432.941925, 551.408569 ],
+			[ 444.835205, 590.430725 ],
+			[ 452.696259, 627.587891 ],
+			[ 454.245697, 645.414185 ],
+			[ 456.603577, 662.549561 ],
+			[ 456.245483, 676.904114 ],
+			[ 455.242859, 691.520752 ],
+			[ 453.786407, 703.781677 ],
+			[ 451.461975, 712.170410 ],
+			[ 448.929047, 717.918274 ],
+			[ 444.667328, 723.141785 ],
+			[ 440.214691, 726.489502 ],
+			[ 435.133789, 727.155518 ],
+			[ 428.181732, 724.978271 ],
+			[ 419.648773, 718.263550 ],
+			[ 407.664093, 701.775146 ],
+			[ 399.098236, 680.834045 ],
+			[ 391.671478, 657.170410 ],
+			[ 381.951569, 616.385620 ],
+			[ 378.903748, 590.663208 ],
+			[ 379.999146, 552.227417 ],
+			[ 385.659729, 520.532104 ],
+			[ 391.931549, 499.499878 ],
+			[ 397.449860, 485.871277 ],
+			[ 404.310974, 471.655396 ],
+			[ 412.064301, 455.346191 ],
+			[ 421.172577, 442.160583 ],
+			[ 429.587982, 433.507263 ],
+			[ 438.374664, 429.413452 ],
+			[ 446.923096, 428.315125 ],
+			[ 453.228790, 431.412170 ],
+			[ 459.770020, 435.003845 ],
+			[ 465.809998, 441.214966 ],
+			[ 471.487885, 453.492432 ],
+			[ 474.252258, 467.854065 ],
+			[ 474.057617, 483.251709 ],
+			[ 472.584564, 497.554871 ],
+			[ 468.285889, 508.693848 ],
+			[ 463.203064, 518.275146 ],
+			[ 459.154846, 523.083252 ],
+			[ 456.628662, 526.316772 ],
+			[ 455.131134, 527.378174 ],
+			[ 453.599518, 527.541748 ],
+			[ 454.215454, 527.277161 ],
+			[ 459.126740, 525.563171 ],
+			[ 467.787872, 523.118347 ],
+			[ 477.878448, 521.880432 ],
+			[ 481.177734, 521.746826 ],
+			[ 482.822052, 521.665344 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/b_2.json b/tool/recorder/data/reference/b_2.json
new file mode 100644
index 0000000..d0c16c8
--- /dev/null
+++ b/tool/recorder/data/reference/b_2.json
@@ -0,0 +1,43 @@
+{
+	"type": "REFERENCE",
+	"value": "b",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 349.010193, 630.912048 ],
+			[ 347.803009, 614.527344 ],
+			[ 347.818726, 599.383728 ],
+			[ 348.082916, 562.915771 ],
+			[ 349.743622, 517.661377 ],
+			[ 351.655731, 486.223877 ],
+			[ 354.267242, 446.932678 ],
+			[ 353.922119, 436.644531 ],
+			[ 353.514160, 431.547913 ],
+			[ 353.225189, 427.101929 ],
+			[ 353.101532, 424.334290 ]
+		],
+		[
+			[ 351.674377, 469.662720 ],
+			[ 351.674103, 476.671936 ],
+			[ 351.673248, 482.262207 ],
+			[ 352.356628, 489.278748 ],
+			[ 355.199249, 498.001892 ],
+			[ 360.084320, 507.435974 ],
+			[ 367.642700, 515.720764 ],
+			[ 375.065460, 520.345337 ],
+			[ 382.017548, 521.462158 ],
+			[ 388.987671, 519.816956 ],
+			[ 395.285919, 514.747192 ],
+			[ 400.017487, 506.785767 ],
+			[ 401.495789, 496.274109 ],
+			[ 399.285339, 483.979309 ],
+			[ 394.145081, 471.233643 ],
+			[ 387.010071, 461.293091 ],
+			[ 379.678528, 455.180115 ],
+			[ 372.980713, 455.412292 ],
+			[ 365.027130, 459.457458 ],
+			[ 362.503967, 462.165833 ],
+			[ 361.567139, 463.689209 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/c_1.json b/tool/recorder/data/reference/c_1.json
new file mode 100644
index 0000000..fe25fd6
--- /dev/null
+++ b/tool/recorder/data/reference/c_1.json
@@ -0,0 +1,25 @@
+{
+	"type": "REFERENCE",
+	"value": "c",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 404.292328, 516.305054 ],
+			[ 399.871918, 515.568054 ],
+			[ 396.193726, 516.551331 ],
+			[ 388.965637, 515.699402 ],
+			[ 379.422424, 515.106018 ],
+			[ 366.259277, 510.391296 ],
+			[ 349.994934, 501.528625 ],
+			[ 334.729614, 489.308899 ],
+			[ 326.441650, 472.437195 ],
+			[ 325.573700, 454.860779 ],
+			[ 329.992920, 441.814819 ],
+			[ 340.558807, 434.152527 ],
+			[ 355.375702, 430.693787 ],
+			[ 374.621063, 432.301086 ],
+			[ 390.548676, 439.166870 ],
+			[ 399.483429, 448.804016 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/d_1.json b/tool/recorder/data/reference/d_1.json
new file mode 100644
index 0000000..c09d18b
--- /dev/null
+++ b/tool/recorder/data/reference/d_1.json
@@ -0,0 +1,48 @@
+{
+	"type": "REFERENCE",
+	"value": "d",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 493.543030, 524.967224 ],
+			[ 487.143219, 527.711853 ],
+			[ 481.108673, 530.919006 ],
+			[ 475.084442, 532.264465 ],
+			[ 466.891663, 532.831604 ],
+			[ 454.452454, 529.512756 ],
+			[ 442.405884, 520.551392 ],
+			[ 431.150360, 505.247009 ],
+			[ 424.678375, 487.578186 ],
+			[ 421.583832, 465.761963 ],
+			[ 424.024475, 448.228394 ],
+			[ 427.303925, 434.578613 ],
+			[ 434.027130, 429.244629 ],
+			[ 444.217529, 425.967529 ],
+			[ 455.950836, 426.285339 ],
+			[ 468.211426, 430.911499 ],
+			[ 479.973694, 441.579956 ],
+			[ 490.464111, 461.433350 ],
+			[ 497.759827, 484.496521 ],
+			[ 507.245270, 528.781799 ],
+			[ 508.892303, 571.343018 ],
+			[ 506.872131, 606.359863 ],
+			[ 505.207916, 620.340210 ],
+			[ 504.781464, 634.101807 ],
+			[ 503.735321, 644.013550 ],
+			[ 502.917206, 648.768005 ],
+			[ 502.778564, 649.479492 ],
+			[ 502.176331, 632.304077 ],
+			[ 503.672913, 595.207275 ],
+			[ 506.230865, 560.871826 ],
+			[ 508.752686, 526.095276 ],
+			[ 511.741730, 492.777588 ],
+			[ 514.948914, 475.052612 ],
+			[ 519.193298, 459.605164 ],
+			[ 526.353577, 444.702881 ],
+			[ 535.003845, 438.115479 ],
+			[ 547.990295, 435.588501 ],
+			[ 563.618408, 440.516541 ],
+			[ 578.329468, 447.688782 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/d_2.json b/tool/recorder/data/reference/d_2.json
new file mode 100644
index 0000000..2487626
--- /dev/null
+++ b/tool/recorder/data/reference/d_2.json
@@ -0,0 +1,49 @@
+{
+	"type": "REFERENCE",
+	"value": "d",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 405.624420, 630.245728 ],
+			[ 404.096008, 634.833618 ],
+			[ 403.826355, 631.043518 ],
+			[ 403.659363, 623.199829 ],
+			[ 402.911194, 608.384705 ],
+			[ 402.079224, 579.603516 ],
+			[ 400.908417, 535.408569 ],
+			[ 400.446442, 488.422363 ],
+			[ 400.613220, 446.958130 ],
+			[ 400.782745, 417.552124 ],
+			[ 399.901215, 408.979614 ],
+			[ 400.075592, 403.605774 ],
+			[ 400.191193, 399.903137 ],
+			[ 401.196655, 399.222900 ],
+			[ 400.957733, 399.467957 ]
+		],
+		[
+			[ 412.284912, 485.654358 ],
+			[ 412.663940, 492.850769 ],
+			[ 412.040894, 497.680664 ],
+			[ 410.510895, 504.466125 ],
+			[ 406.800751, 513.257874 ],
+			[ 399.155151, 523.417786 ],
+			[ 389.852051, 528.753906 ],
+			[ 381.332245, 527.592590 ],
+			[ 368.219208, 519.965698 ],
+			[ 358.541321, 507.672058 ],
+			[ 349.603333, 494.180603 ],
+			[ 344.109833, 478.306946 ],
+			[ 342.674164, 459.294006 ],
+			[ 345.331177, 445.205139 ],
+			[ 351.282745, 435.191040 ],
+			[ 360.686493, 429.145935 ],
+			[ 371.728424, 430.095337 ],
+			[ 384.515289, 434.607849 ],
+			[ 393.424042, 449.475525 ],
+			[ 400.417206, 468.574646 ],
+			[ 401.934265, 486.945862 ],
+			[ 400.780396, 498.358459 ],
+			[ 399.637695, 507.230957 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/d_3.json b/tool/recorder/data/reference/d_3.json
new file mode 100644
index 0000000..2bc23b8
--- /dev/null
+++ b/tool/recorder/data/reference/d_3.json
@@ -0,0 +1,48 @@
+{
+	"type": "REFERENCE",
+	"value": "d",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 389.639221, 509.641846 ],
+			[ 385.410675, 509.641846 ],
+			[ 382.998016, 511.112061 ],
+			[ 378.808472, 511.847168 ],
+			[ 375.489227, 512.484558 ],
+			[ 371.199219, 512.832520 ],
+			[ 365.673279, 513.053284 ],
+			[ 359.138794, 512.597900 ],
+			[ 351.651550, 510.648682 ],
+			[ 341.920013, 505.904846 ],
+			[ 333.420685, 499.513123 ],
+			[ 324.151520, 490.464233 ],
+			[ 318.206665, 480.768799 ],
+			[ 314.237518, 467.108948 ],
+			[ 313.262543, 452.731934 ],
+			[ 313.632538, 437.482788 ],
+			[ 314.973541, 424.380554 ],
+			[ 319.469757, 415.318787 ],
+			[ 325.596985, 406.519165 ],
+			[ 332.706421, 401.164185 ],
+			[ 339.779175, 398.729370 ],
+			[ 346.593231, 399.728516 ],
+			[ 353.274109, 402.506653 ],
+			[ 360.873138, 408.767700 ],
+			[ 368.018951, 419.104065 ],
+			[ 372.966980, 432.811401 ],
+			[ 376.491211, 452.753784 ],
+			[ 378.222626, 477.859680 ],
+			[ 379.067383, 518.547852 ],
+			[ 379.154419, 558.010376 ],
+			[ 378.954041, 574.289490 ],
+			[ 379.123505, 589.850342 ],
+			[ 381.176117, 601.837036 ],
+			[ 382.297272, 608.861694 ],
+			[ 382.668060, 611.811279 ],
+			[ 382.874847, 613.015015 ],
+			[ 382.914673, 613.673035 ],
+			[ 382.862366, 614.097961 ],
+			[ 382.876190, 613.985596 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/e_1.json b/tool/recorder/data/reference/e_1.json
new file mode 100644
index 0000000..1de0ba7
--- /dev/null
+++ b/tool/recorder/data/reference/e_1.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "e",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 395.633667, 480.323792 ],
+			[ 400.478271, 481.016174 ],
+			[ 406.046906, 478.062500 ],
+			[ 411.453613, 476.339294 ],
+			[ 417.806305, 474.742493 ],
+			[ 425.696594, 473.128662 ],
+			[ 436.194305, 472.754211 ],
+			[ 445.620422, 474.671753 ],
+			[ 454.257996, 478.638855 ],
+			[ 461.507721, 484.304138 ],
+			[ 464.724884, 490.159424 ],
+			[ 463.997284, 496.336731 ],
+			[ 461.335144, 502.452087 ],
+			[ 455.512634, 508.903503 ],
+			[ 445.841797, 514.545105 ],
+			[ 435.222504, 517.818420 ],
+			[ 422.841156, 517.990051 ],
+			[ 412.248749, 517.173340 ],
+			[ 401.797394, 515.471680 ],
+			[ 393.362244, 508.908569 ],
+			[ 386.730957, 499.429138 ],
+			[ 383.364075, 489.017944 ],
+			[ 383.666901, 474.903687 ],
+			[ 386.409027, 460.831116 ],
+			[ 392.074219, 447.880310 ],
+			[ 400.781281, 437.132751 ],
+			[ 411.829712, 430.885803 ],
+			[ 423.769928, 428.033936 ],
+			[ 438.458069, 427.871155 ],
+			[ 453.184326, 431.122864 ],
+			[ 456.540588, 434.175171 ],
+			[ 456.926056, 434.438843 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/e_2.json b/tool/recorder/data/reference/e_2.json
new file mode 100644
index 0000000..a4bd668
--- /dev/null
+++ b/tool/recorder/data/reference/e_2.json
@@ -0,0 +1,53 @@
+{
+	"type": "REFERENCE",
+	"value": "e",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 362.331177, 409.027588 ],
+			[ 362.331360, 412.948425 ],
+			[ 364.192291, 415.908447 ],
+			[ 367.137848, 420.961304 ],
+			[ 372.403503, 427.850220 ],
+			[ 379.293335, 437.871216 ],
+			[ 387.017334, 449.238892 ],
+			[ 392.926331, 460.018921 ],
+			[ 398.931976, 469.519104 ],
+			[ 402.872833, 475.861145 ],
+			[ 405.866302, 480.095825 ],
+			[ 406.667603, 480.743896 ],
+			[ 407.991302, 482.156921 ],
+			[ 407.973602, 482.137878 ],
+			[ 409.591736, 480.676025 ],
+			[ 415.215271, 476.880676 ],
+			[ 422.251556, 472.856201 ],
+			[ 429.328003, 470.393555 ],
+			[ 438.916687, 469.185608 ],
+			[ 447.857513, 469.871033 ],
+			[ 455.737244, 473.220093 ],
+			[ 461.101471, 477.567627 ],
+			[ 464.570374, 481.890564 ],
+			[ 465.839935, 487.545288 ],
+			[ 464.415283, 492.100220 ],
+			[ 463.714966, 494.485291 ],
+			[ 457.718140, 503.398804 ],
+			[ 451.060364, 508.228088 ],
+			[ 443.264130, 513.903687 ],
+			[ 434.348297, 516.162842 ],
+			[ 426.332764, 515.679749 ],
+			[ 416.873108, 514.251221 ],
+			[ 409.766693, 509.700989 ],
+			[ 403.723511, 502.358704 ],
+			[ 401.413818, 490.752075 ],
+			[ 401.614838, 476.388794 ],
+			[ 403.906311, 460.305420 ],
+			[ 409.328064, 446.532532 ],
+			[ 417.884949, 435.086121 ],
+			[ 429.183014, 427.644714 ],
+			[ 441.237518, 421.081665 ],
+			[ 452.029022, 417.924866 ],
+			[ 463.434448, 419.674988 ],
+			[ 475.658417, 423.197571 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/f_1.json b/tool/recorder/data/reference/f_1.json
new file mode 100644
index 0000000..4ce9bb7
--- /dev/null
+++ b/tool/recorder/data/reference/f_1.json
@@ -0,0 +1,49 @@
+{
+	"type": "REFERENCE",
+	"value": "f",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 297.058289, 454.337341 ],
+			[ 310.887299, 462.350159 ],
+			[ 322.628693, 473.000854 ],
+			[ 338.667114, 494.122864 ],
+			[ 372.521454, 555.606689 ],
+			[ 398.009857, 617.537842 ],
+			[ 411.773560, 666.428345 ],
+			[ 415.287567, 702.873169 ],
+			[ 412.300629, 720.966675 ],
+			[ 405.227692, 727.407654 ],
+			[ 394.968231, 726.950806 ],
+			[ 383.386902, 719.606201 ],
+			[ 369.256592, 696.247437 ],
+			[ 348.347168, 634.983643 ],
+			[ 334.237488, 552.456299 ],
+			[ 333.980164, 471.521057 ],
+			[ 337.207977, 379.544373 ],
+			[ 340.201233, 300.739075 ],
+			[ 341.869202, 253.527466 ],
+			[ 337.240814, 233.200134 ],
+			[ 329.057648, 221.002869 ],
+			[ 319.294495, 212.708130 ],
+			[ 307.657623, 200.187134 ],
+			[ 297.770905, 194.449341 ],
+			[ 289.342285, 194.138489 ],
+			[ 282.370728, 200.353882 ],
+			[ 277.943573, 212.312866 ],
+			[ 275.259674, 236.065674 ],
+			[ 274.588898, 280.640869 ],
+			[ 278.330841, 323.776611 ],
+			[ 285.178192, 349.328918 ],
+			[ 297.938202, 366.089417 ],
+			[ 314.868195, 379.766296 ],
+			[ 333.931763, 394.854370 ],
+			[ 355.453430, 410.876770 ],
+			[ 377.904114, 428.965881 ],
+			[ 396.159546, 444.666504 ],
+			[ 407.068481, 456.236145 ],
+			[ 407.093811, 456.276306 ],
+			[ 407.390625, 456.747070 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/f_2.json b/tool/recorder/data/reference/f_2.json
new file mode 100644
index 0000000..3f7c16e
--- /dev/null
+++ b/tool/recorder/data/reference/f_2.json
@@ -0,0 +1,37 @@
+{
+	"type": "REFERENCE",
+	"value": "f",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 427.604065, 626.247803 ],
+			[ 422.028564, 627.331665 ],
+			[ 420.560242, 627.699829 ],
+			[ 415.549225, 629.462036 ],
+			[ 410.600433, 631.485229 ],
+			[ 402.710022, 632.224365 ],
+			[ 392.763428, 632.056763 ],
+			[ 379.857666, 626.775635 ],
+			[ 366.151642, 615.604675 ],
+			[ 354.773010, 600.262329 ],
+			[ 348.001801, 580.938538 ],
+			[ 344.897583, 556.624939 ],
+			[ 345.824036, 522.860168 ],
+			[ 347.326813, 497.760010 ],
+			[ 351.917358, 478.528931 ],
+			[ 356.403961, 463.391357 ],
+			[ 360.976593, 447.733887 ],
+			[ 364.416870, 438.615540 ],
+			[ 365.872040, 435.889099 ],
+			[ 365.449860, 434.913330 ]
+		],
+		[
+			[ 349.010193, 533.629395 ],
+			[ 357.976929, 535.567627 ],
+			[ 365.799164, 536.395203 ],
+			[ 377.805756, 537.099731 ],
+			[ 391.199402, 539.299133 ],
+			[ 404.594666, 542.406555 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/g_1.json b/tool/recorder/data/reference/g_1.json
new file mode 100644
index 0000000..a467426
--- /dev/null
+++ b/tool/recorder/data/reference/g_1.json
@@ -0,0 +1,54 @@
+{
+	"type": "REFERENCE",
+	"value": "g",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 404.292328, 516.305054 ],
+			[ 400.010925, 517.018677 ],
+			[ 395.186829, 519.592651 ],
+			[ 388.128815, 520.302490 ],
+			[ 379.503967, 519.511963 ],
+			[ 366.698029, 511.503601 ],
+			[ 353.356750, 498.433411 ],
+			[ 342.428955, 483.041748 ],
+			[ 335.089325, 466.478943 ],
+			[ 331.518951, 453.135254 ],
+			[ 332.371155, 445.107727 ],
+			[ 336.508972, 442.355347 ],
+			[ 344.238525, 442.382202 ],
+			[ 356.725952, 446.806396 ],
+			[ 370.762848, 458.248535 ],
+			[ 381.782135, 473.501465 ],
+			[ 391.665222, 488.821899 ],
+			[ 397.356415, 501.323669 ],
+			[ 401.087524, 509.392578 ],
+			[ 402.219391, 513.946533 ],
+			[ 402.097229, 515.985107 ],
+			[ 401.691315, 504.494568 ],
+			[ 400.507751, 479.370056 ],
+			[ 398.387207, 423.979614 ],
+			[ 397.037201, 373.638550 ],
+			[ 394.532166, 318.757385 ],
+			[ 389.148956, 280.230835 ],
+			[ 381.364594, 256.953125 ],
+			[ 369.465729, 229.341492 ],
+			[ 362.389923, 223.276062 ],
+			[ 354.213226, 216.937195 ],
+			[ 346.541077, 215.174988 ],
+			[ 339.379517, 214.808899 ],
+			[ 333.048035, 219.190186 ],
+			[ 327.380463, 229.104736 ],
+			[ 322.713867, 244.882080 ],
+			[ 322.497070, 260.196533 ],
+			[ 325.366791, 280.692139 ],
+			[ 336.140533, 321.366272 ],
+			[ 353.278564, 362.053711 ],
+			[ 374.199554, 395.945007 ],
+			[ 396.449799, 429.199158 ],
+			[ 413.459381, 450.090576 ],
+			[ 426.736603, 462.829956 ],
+			[ 437.901245, 468.151306 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/h_1.json b/tool/recorder/data/reference/h_1.json
new file mode 100644
index 0000000..8fb0101
--- /dev/null
+++ b/tool/recorder/data/reference/h_1.json
@@ -0,0 +1,53 @@
+{
+	"type": "REFERENCE",
+	"value": "h",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 277.742828, 433.015137 ],
+			[ 286.803070, 443.841919 ],
+			[ 295.875671, 456.489441 ],
+			[ 308.172302, 475.822449 ],
+			[ 329.148987, 516.881836 ],
+			[ 348.832489, 561.262024 ],
+			[ 364.933105, 608.591614 ],
+			[ 378.719940, 657.418457 ],
+			[ 386.642456, 695.325012 ],
+			[ 387.990662, 712.712769 ],
+			[ 387.777802, 721.372681 ],
+			[ 385.417572, 726.645386 ],
+			[ 380.854126, 727.923218 ],
+			[ 375.145996, 728.561401 ],
+			[ 367.338043, 724.977478 ],
+			[ 357.826202, 714.952576 ],
+			[ 348.174896, 692.410522 ],
+			[ 340.629517, 655.053711 ],
+			[ 335.175873, 596.287842 ],
+			[ 337.104797, 540.200378 ],
+			[ 343.309540, 482.097656 ],
+			[ 348.112579, 450.235779 ],
+			[ 349.112976, 437.045837 ],
+			[ 348.687012, 425.238403 ],
+			[ 348.160461, 416.855347 ],
+			[ 347.864990, 413.693970 ],
+			[ 347.864014, 413.676758 ],
+			[ 347.868378, 413.750732 ],
+			[ 347.551147, 415.907898 ],
+			[ 346.048340, 430.937439 ],
+			[ 346.042419, 452.771423 ],
+			[ 349.921478, 473.604919 ],
+			[ 356.818817, 490.191589 ],
+			[ 365.780579, 502.636963 ],
+			[ 375.684204, 512.974121 ],
+			[ 384.301208, 513.417053 ],
+			[ 393.935120, 506.401367 ],
+			[ 403.551910, 488.406494 ],
+			[ 409.761780, 466.799561 ],
+			[ 411.535370, 449.630615 ],
+			[ 411.727142, 439.114075 ],
+			[ 411.659149, 435.221802 ],
+			[ 412.481171, 433.216553 ],
+			[ 412.615356, 432.889282 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/h_2.json b/tool/recorder/data/reference/h_2.json
new file mode 100644
index 0000000..9a05097
--- /dev/null
+++ b/tool/recorder/data/reference/h_2.json
@@ -0,0 +1,44 @@
+{
+	"type": "REFERENCE",
+	"value": "h",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 359.000916, 630.245728 ],
+			[ 360.935089, 620.194519 ],
+			[ 361.500397, 609.553711 ],
+			[ 361.515747, 591.330322 ],
+			[ 363.851166, 551.337769 ],
+			[ 366.464874, 517.045776 ],
+			[ 368.941071, 488.736755 ],
+			[ 371.145569, 463.505371 ],
+			[ 373.018402, 445.537964 ],
+			[ 373.723145, 436.465881 ],
+			[ 374.949310, 433.536804 ],
+			[ 374.747070, 433.176025 ],
+			[ 375.314331, 431.203857 ],
+			[ 375.188843, 431.695740 ],
+			[ 374.150238, 437.435486 ],
+			[ 372.000153, 451.177368 ],
+			[ 371.267883, 466.072205 ],
+			[ 371.812225, 480.016968 ],
+			[ 373.613983, 494.522278 ],
+			[ 376.735168, 511.553101 ],
+			[ 381.899078, 526.227661 ],
+			[ 388.033478, 537.092651 ],
+			[ 393.912384, 543.028015 ],
+			[ 402.653748, 542.415894 ],
+			[ 410.263947, 533.153748 ],
+			[ 418.407227, 515.037170 ],
+			[ 425.517059, 494.833984 ],
+			[ 430.936157, 473.370300 ],
+			[ 434.758240, 453.489990 ],
+			[ 437.994537, 439.419312 ],
+			[ 439.495239, 432.551697 ],
+			[ 439.879059, 429.939453 ],
+			[ 440.355530, 429.866028 ],
+			[ 440.371613, 429.863770 ],
+			[ 440.468964, 429.850098 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/h_3.json b/tool/recorder/data/reference/h_3.json
new file mode 100644
index 0000000..2f07c2d
--- /dev/null
+++ b/tool/recorder/data/reference/h_3.json
@@ -0,0 +1,52 @@
+{
+	"type": "REFERENCE",
+	"value": "h",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 315.707672, 407.694946 ],
+			[ 318.268799, 413.674377 ],
+			[ 320.566498, 418.334167 ],
+			[ 325.946991, 428.944824 ],
+			[ 334.907379, 446.853149 ],
+			[ 349.192932, 478.484680 ],
+			[ 370.141541, 532.487610 ],
+			[ 384.371033, 589.097290 ],
+			[ 398.378815, 661.794434 ],
+			[ 403.461823, 705.749146 ],
+			[ 405.779633, 740.289734 ],
+			[ 404.520721, 751.364502 ],
+			[ 401.873688, 760.349976 ],
+			[ 399.579224, 765.693481 ],
+			[ 395.905762, 765.263977 ],
+			[ 388.773438, 759.055908 ],
+			[ 377.091522, 737.858215 ],
+			[ 368.687683, 712.443481 ],
+			[ 359.212524, 656.621643 ],
+			[ 358.072784, 595.435669 ],
+			[ 364.127075, 534.167542 ],
+			[ 379.062714, 468.796448 ],
+			[ 393.570282, 414.179749 ],
+			[ 396.319794, 407.270691 ],
+			[ 394.495911, 395.521362 ],
+			[ 391.883240, 388.715454 ],
+			[ 390.753235, 385.100830 ],
+			[ 390.677582, 384.901733 ],
+			[ 389.386230, 388.816040 ],
+			[ 383.508972, 414.685974 ],
+			[ 380.997559, 443.398926 ],
+			[ 382.915283, 469.586182 ],
+			[ 388.630890, 491.248169 ],
+			[ 397.037354, 506.412048 ],
+			[ 406.718536, 514.940063 ],
+			[ 418.089478, 517.324097 ],
+			[ 431.254333, 510.429871 ],
+			[ 442.630096, 496.907898 ],
+			[ 453.228760, 481.833862 ],
+			[ 459.990448, 463.531372 ],
+			[ 464.465118, 445.798767 ],
+			[ 464.831818, 436.332092 ],
+			[ 464.875763, 435.342651 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/i_1.json b/tool/recorder/data/reference/i_1.json
new file mode 100644
index 0000000..bda1333
--- /dev/null
+++ b/tool/recorder/data/reference/i_1.json
@@ -0,0 +1,25 @@
+{
+	"type": "REFERENCE",
+	"value": "i",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 341.683624, 522.301941 ],
+			[ 341.683502, 513.772095 ],
+			[ 341.107025, 504.653442 ],
+			[ 340.514160, 491.566589 ],
+			[ 340.295654, 476.475525 ],
+			[ 340.220795, 458.645264 ],
+			[ 341.437378, 443.990601 ],
+			[ 344.956635, 432.168518 ],
+			[ 350.366608, 425.400146 ],
+			[ 358.095551, 419.870789 ],
+			[ 367.497131, 418.985168 ],
+			[ 379.456543, 422.200378 ]
+		],
+		[
+			[ 336.355225, 578.939087 ],
+			[ 333.785889, 575.725952 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/i_2.json b/tool/recorder/data/reference/i_2.json
new file mode 100644
index 0000000..a3f22f5
--- /dev/null
+++ b/tool/recorder/data/reference/i_2.json
@@ -0,0 +1,43 @@
+{
+	"type": "REFERENCE",
+	"value": "i",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 324.366333, 413.025513 ],
+			[ 326.505920, 417.306458 ],
+			[ 328.486542, 419.002136 ],
+			[ 331.350189, 422.560059 ],
+			[ 335.003326, 427.849976 ],
+			[ 340.007904, 437.053650 ],
+			[ 345.713715, 453.763855 ],
+			[ 351.560211, 473.700012 ],
+			[ 356.262482, 492.733826 ],
+			[ 359.525024, 509.383972 ],
+			[ 362.815247, 523.015076 ],
+			[ 363.006165, 530.210266 ],
+			[ 363.404175, 533.759216 ],
+			[ 363.246490, 533.136414 ],
+			[ 362.905396, 526.205811 ],
+			[ 361.820435, 511.020142 ],
+			[ 360.923920, 492.945435 ],
+			[ 360.798340, 474.471191 ],
+			[ 361.318512, 455.330627 ],
+			[ 364.506866, 442.036377 ],
+			[ 368.436493, 434.010803 ],
+			[ 372.551910, 428.497131 ],
+			[ 376.501373, 427.136475 ],
+			[ 379.520386, 426.869141 ],
+			[ 387.807678, 430.561279 ],
+			[ 394.880341, 436.696655 ],
+			[ 401.889709, 452.097717 ],
+			[ 404.606384, 461.721130 ],
+			[ 404.671936, 464.059082 ]
+		],
+		[
+			[ 380.314514, 577.606445 ],
+			[ 377.832001, 580.710876 ],
+			[ 377.885406, 580.644043 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/j_1.json b/tool/recorder/data/reference/j_1.json
new file mode 100644
index 0000000..c20a9a4
--- /dev/null
+++ b/tool/recorder/data/reference/j_1.json
@@ -0,0 +1,51 @@
+{
+	"type": "REFERENCE",
+	"value": "j",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 305.050873, 434.347778 ],
+			[ 311.442719, 442.021179 ],
+			[ 318.712555, 452.869446 ],
+			[ 328.356659, 465.785034 ],
+			[ 339.928436, 480.931152 ],
+			[ 352.914673, 499.311462 ],
+			[ 365.268372, 517.490112 ],
+			[ 374.154175, 530.455627 ],
+			[ 379.169495, 537.807739 ],
+			[ 381.646088, 539.964844 ],
+			[ 381.638062, 530.682190 ],
+			[ 380.230377, 508.275940 ],
+			[ 376.753723, 463.769836 ],
+			[ 378.694946, 400.263794 ],
+			[ 385.794373, 339.809875 ],
+			[ 390.101959, 304.144409 ],
+			[ 389.795715, 272.541382 ],
+			[ 386.822021, 252.238220 ],
+			[ 379.457062, 220.644714 ],
+			[ 374.252441, 209.511353 ],
+			[ 367.995697, 200.454895 ],
+			[ 361.170959, 193.251465 ],
+			[ 352.869965, 191.501282 ],
+			[ 343.633270, 196.125244 ],
+			[ 335.470062, 209.264343 ],
+			[ 329.770691, 231.992126 ],
+			[ 329.371796, 260.026611 ],
+			[ 334.531128, 306.758728 ],
+			[ 344.749268, 326.756897 ],
+			[ 363.525085, 362.098328 ],
+			[ 375.896637, 376.218628 ],
+			[ 392.718262, 394.029053 ],
+			[ 407.780457, 408.756653 ],
+			[ 421.831055, 423.315002 ],
+			[ 423.178802, 424.850525 ],
+			[ 423.806061, 425.565186 ]
+		],
+		[
+			[ 386.308960, 579.605408 ],
+			[ 383.724548, 583.486267 ],
+			[ 381.362915, 585.230225 ],
+			[ 379.457886, 587.167358 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/j_2.json b/tool/recorder/data/reference/j_2.json
new file mode 100644
index 0000000..c0c3635
--- /dev/null
+++ b/tool/recorder/data/reference/j_2.json
@@ -0,0 +1,28 @@
+{
+	"type": "REFERENCE",
+	"value": "j",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 386.975037, 532.963074 ],
+			[ 388.874176, 536.763000 ],
+			[ 391.887848, 528.888733 ],
+			[ 394.204468, 514.691223 ],
+			[ 396.897705, 482.568604 ],
+			[ 398.925201, 442.499695 ],
+			[ 399.275879, 397.552795 ],
+			[ 397.128784, 373.626465 ],
+			[ 392.632416, 356.167786 ],
+			[ 385.053619, 341.719849 ],
+			[ 376.944214, 334.249573 ],
+			[ 366.818390, 336.731262 ],
+			[ 356.420868, 348.106873 ],
+			[ 348.679230, 365.242981 ]
+		],
+		[
+			[ 406.290466, 583.603333 ],
+			[ 400.499023, 585.258911 ],
+			[ 397.862091, 585.672791 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/j_3.json b/tool/recorder/data/reference/j_3.json
new file mode 100644
index 0000000..00a4582
--- /dev/null
+++ b/tool/recorder/data/reference/j_3.json
@@ -0,0 +1,54 @@
+{
+	"type": "REFERENCE",
+	"value": "j",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 306.382996, 429.683533 ],
+			[ 313.299377, 433.456848 ],
+			[ 320.740967, 441.808960 ],
+			[ 329.658325, 455.496033 ],
+			[ 340.595428, 473.157715 ],
+			[ 353.314240, 495.312622 ],
+			[ 363.728455, 513.964478 ],
+			[ 370.013153, 527.351013 ],
+			[ 374.428101, 535.287354 ],
+			[ 376.751343, 539.278870 ],
+			[ 377.124390, 539.699829 ],
+			[ 376.560730, 533.366150 ],
+			[ 373.935394, 511.888123 ],
+			[ 369.672394, 469.981201 ],
+			[ 366.440491, 422.264099 ],
+			[ 364.097473, 377.700745 ],
+			[ 363.777771, 324.158386 ],
+			[ 363.574158, 286.496643 ],
+			[ 363.777588, 265.004578 ],
+			[ 363.600952, 249.104431 ],
+			[ 361.565369, 235.043152 ],
+			[ 359.312958, 222.869934 ],
+			[ 355.341034, 215.118713 ],
+			[ 350.356903, 212.593140 ],
+			[ 344.972931, 215.505066 ],
+			[ 337.059052, 221.806702 ],
+			[ 327.936249, 243.593689 ],
+			[ 323.704041, 265.918823 ],
+			[ 317.589172, 308.653625 ],
+			[ 319.839050, 328.865601 ],
+			[ 327.977478, 362.319153 ],
+			[ 340.772125, 384.858093 ],
+			[ 355.405640, 403.576050 ],
+			[ 372.499207, 423.702271 ],
+			[ 391.883942, 444.348877 ],
+			[ 409.699005, 461.655151 ],
+			[ 421.168640, 470.831604 ],
+			[ 421.967224, 471.436523 ]
+		],
+		[
+			[ 393.635529, 578.939087 ],
+			[ 389.201294, 580.839844 ],
+			[ 383.972046, 586.969238 ],
+			[ 383.997345, 589.631104 ],
+			[ 383.779877, 590.182007 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/k_1.json b/tool/recorder/data/reference/k_1.json
new file mode 100644
index 0000000..cf79f56
--- /dev/null
+++ b/tool/recorder/data/reference/k_1.json
@@ -0,0 +1,59 @@
+{
+	"type": "REFERENCE",
+	"value": "k",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 312.377441, 413.691833 ],
+			[ 317.690704, 417.115051 ],
+			[ 325.699951, 424.937134 ],
+			[ 337.653259, 441.147827 ],
+			[ 359.945740, 478.957825 ],
+			[ 386.631927, 538.701843 ],
+			[ 409.367554, 597.489441 ],
+			[ 422.895477, 647.465210 ],
+			[ 428.321747, 674.208923 ],
+			[ 433.165192, 707.002808 ],
+			[ 432.114838, 722.410767 ],
+			[ 427.366882, 728.141968 ],
+			[ 423.721527, 729.958740 ],
+			[ 417.589813, 726.761414 ],
+			[ 406.211365, 711.898010 ],
+			[ 394.047302, 675.755249 ],
+			[ 383.037781, 606.142822 ],
+			[ 381.972656, 536.591309 ],
+			[ 386.543762, 476.174500 ],
+			[ 391.924683, 429.329407 ],
+			[ 392.926056, 417.397217 ],
+			[ 393.201202, 389.487732 ],
+			[ 393.149536, 385.026855 ],
+			[ 393.150146, 385.079102 ],
+			[ 393.150146, 385.079224 ],
+			[ 392.993713, 387.784180 ],
+			[ 392.402496, 405.371094 ],
+			[ 392.099274, 430.497803 ],
+			[ 393.683472, 458.240845 ],
+			[ 398.432831, 479.656555 ],
+			[ 406.344269, 493.652039 ],
+			[ 415.347961, 501.377319 ],
+			[ 423.184082, 503.599976 ],
+			[ 428.419800, 502.461060 ],
+			[ 431.790161, 500.857971 ],
+			[ 431.616974, 500.932190 ],
+			[ 428.803925, 498.744324 ],
+			[ 422.677063, 494.879395 ],
+			[ 416.519806, 490.416443 ],
+			[ 412.482788, 483.942383 ],
+			[ 413.141541, 473.501099 ],
+			[ 421.031311, 460.400146 ],
+			[ 431.989563, 447.240356 ],
+			[ 441.267761, 437.648865 ],
+			[ 449.902100, 424.765625 ],
+			[ 454.647491, 409.819275 ],
+			[ 457.400665, 395.764771 ],
+			[ 458.464874, 386.685242 ],
+			[ 458.950714, 384.445068 ],
+			[ 459.027344, 384.091736 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/k_2.json b/tool/recorder/data/reference/k_2.json
new file mode 100644
index 0000000..1349791
--- /dev/null
+++ b/tool/recorder/data/reference/k_2.json
@@ -0,0 +1,48 @@
+{
+	"type": "REFERENCE",
+	"value": "k",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 353.672516, 631.578369 ],
+			[ 350.481232, 623.800964 ],
+			[ 348.270050, 613.407227 ],
+			[ 347.441315, 596.559570 ],
+			[ 347.339233, 557.632385 ],
+			[ 347.469452, 510.573914 ],
+			[ 347.581024, 472.439453 ],
+			[ 347.636749, 445.312805 ],
+			[ 347.666687, 431.482056 ],
+			[ 346.864746, 421.943115 ],
+			[ 345.623291, 413.518616 ],
+			[ 344.965118, 408.874451 ],
+			[ 345.085297, 408.199707 ],
+			[ 345.088165, 408.077454 ]
+		],
+		[
+			[ 360.999084, 485.654358 ],
+			[ 356.737457, 486.365173 ],
+			[ 363.287262, 491.354309 ],
+			[ 369.645813, 496.777344 ],
+			[ 377.583069, 504.045349 ],
+			[ 386.605072, 511.836975 ],
+			[ 396.019440, 519.681885 ],
+			[ 404.305817, 525.305359 ],
+			[ 408.917938, 527.843994 ],
+			[ 409.909485, 528.359680 ],
+			[ 410.385468, 528.607178 ]
+		],
+		[
+			[ 360.333038, 474.993225 ],
+			[ 359.610077, 479.333862 ],
+			[ 364.744019, 475.005859 ],
+			[ 371.211914, 468.436401 ],
+			[ 380.645386, 458.140015 ],
+			[ 390.998932, 446.957642 ],
+			[ 399.856140, 437.741516 ],
+			[ 407.154327, 430.755310 ],
+			[ 411.703003, 426.259094 ],
+			[ 411.977844, 425.986938 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/k_3.json b/tool/recorder/data/reference/k_3.json
new file mode 100644
index 0000000..e46627c
--- /dev/null
+++ b/tool/recorder/data/reference/k_3.json
@@ -0,0 +1,66 @@
+{
+	"type": "REFERENCE",
+	"value": "k",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 339.019440, 511.640808 ],
+			[ 345.561462, 518.634644 ],
+			[ 354.554688, 529.856995 ],
+			[ 365.848846, 547.193726 ],
+			[ 390.308441, 593.683472 ],
+			[ 408.872253, 639.231567 ],
+			[ 422.190613, 684.803162 ],
+			[ 428.995514, 717.456177 ],
+			[ 429.395660, 729.766113 ],
+			[ 427.501251, 738.475586 ],
+			[ 424.783295, 746.692810 ],
+			[ 420.032013, 750.905273 ],
+			[ 416.604401, 751.634827 ],
+			[ 409.395142, 745.388306 ],
+			[ 399.829895, 723.128235 ],
+			[ 388.471832, 662.046021 ],
+			[ 384.194946, 597.184692 ],
+			[ 385.636261, 534.110718 ],
+			[ 386.999603, 480.922974 ],
+			[ 387.649872, 445.529968 ],
+			[ 387.830994, 426.308472 ],
+			[ 386.047241, 413.162964 ],
+			[ 384.552490, 403.616638 ],
+			[ 383.890198, 401.048889 ],
+			[ 383.947845, 401.541504 ],
+			[ 383.956909, 401.618591 ],
+			[ 383.957642, 401.625122 ],
+			[ 383.957642, 401.624817 ],
+			[ 384.085144, 405.394592 ],
+			[ 384.322510, 420.906250 ],
+			[ 384.795685, 441.902954 ],
+			[ 386.313599, 467.310608 ],
+			[ 389.210297, 492.615540 ],
+			[ 393.834290, 514.582458 ],
+			[ 400.257751, 528.798889 ],
+			[ 408.107819, 537.100769 ],
+			[ 416.250000, 541.062134 ],
+			[ 425.250244, 540.335571 ],
+			[ 431.962677, 535.221924 ],
+			[ 438.268646, 520.968506 ],
+			[ 441.298157, 506.093445 ],
+			[ 438.327942, 496.012817 ],
+			[ 433.925873, 488.964539 ],
+			[ 427.539093, 485.352844 ],
+			[ 420.986725, 483.519958 ],
+			[ 417.024963, 482.747253 ],
+			[ 415.101501, 482.372437 ],
+			[ 414.090363, 481.713196 ],
+			[ 414.801605, 480.587646 ],
+			[ 420.171661, 475.021545 ],
+			[ 429.115997, 462.646851 ],
+			[ 437.441681, 449.553894 ],
+			[ 444.902527, 435.087158 ],
+			[ 450.948029, 420.185120 ],
+			[ 456.281403, 407.605286 ],
+			[ 462.402985, 400.711548 ],
+			[ 468.527710, 398.046631 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/l_1.json b/tool/recorder/data/reference/l_1.json
new file mode 100644
index 0000000..de98fb9
--- /dev/null
+++ b/tool/recorder/data/reference/l_1.json
@@ -0,0 +1,38 @@
+{
+	"type": "REFERENCE",
+	"value": "l",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 311.045319, 427.684570 ],
+			[ 317.456177, 432.206543 ],
+			[ 323.520660, 439.287354 ],
+			[ 331.929077, 452.298279 ],
+			[ 343.596405, 470.871582 ],
+			[ 363.010468, 505.772095 ],
+			[ 386.108521, 549.489075 ],
+			[ 414.122192, 611.128662 ],
+			[ 432.046967, 661.598511 ],
+			[ 440.126312, 698.711670 ],
+			[ 439.582703, 717.541992 ],
+			[ 437.803650, 752.049316 ],
+			[ 433.772858, 762.539551 ],
+			[ 427.441895, 767.232544 ],
+			[ 420.968323, 769.010742 ],
+			[ 413.856232, 766.038147 ],
+			[ 401.261261, 749.264893 ],
+			[ 379.905304, 705.234558 ],
+			[ 360.851685, 636.865784 ],
+			[ 357.797821, 569.399353 ],
+			[ 364.120270, 501.229553 ],
+			[ 374.368805, 445.152283 ],
+			[ 387.425262, 408.869873 ],
+			[ 391.880219, 403.181458 ],
+			[ 398.872070, 394.472351 ],
+			[ 404.995728, 388.531067 ],
+			[ 407.399384, 385.550110 ],
+			[ 411.654175, 386.264709 ],
+			[ 411.966431, 386.304321 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/l_2.json b/tool/recorder/data/reference/l_2.json
new file mode 100644
index 0000000..68c2f17
--- /dev/null
+++ b/tool/recorder/data/reference/l_2.json
@@ -0,0 +1,24 @@
+{
+	"type": "REFERENCE",
+	"value": "l",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 385.642914, 578.272766 ],
+			[ 385.642975, 583.650757 ],
+			[ 386.829712, 579.041016 ],
+			[ 387.566956, 570.140930 ],
+			[ 388.406158, 551.449341 ],
+			[ 388.066223, 513.656799 ],
+			[ 385.215149, 469.535339 ],
+			[ 382.676788, 440.690125 ],
+			[ 380.618652, 419.906311 ],
+			[ 381.252960, 406.725769 ],
+			[ 384.813721, 398.608887 ],
+			[ 394.850586, 400.428589 ],
+			[ 409.623779, 407.356750 ],
+			[ 415.167206, 412.333923 ],
+			[ 416.957825, 414.664612 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/l_3.json b/tool/recorder/data/reference/l_3.json
new file mode 100644
index 0000000..62f4efc
--- /dev/null
+++ b/tool/recorder/data/reference/l_3.json
@@ -0,0 +1,38 @@
+{
+	"type": "REFERENCE",
+	"value": "l",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 369.657715, 488.985962 ],
+			[ 373.952057, 496.102844 ],
+			[ 379.968628, 504.413086 ],
+			[ 390.316589, 517.300049 ],
+			[ 403.821106, 534.582581 ],
+			[ 419.752960, 559.549927 ],
+			[ 442.887115, 601.539124 ],
+			[ 456.506714, 642.768921 ],
+			[ 459.912262, 667.905762 ],
+			[ 461.498047, 705.515137 ],
+			[ 457.514404, 718.877563 ],
+			[ 454.171967, 730.218506 ],
+			[ 450.002106, 742.928101 ],
+			[ 443.638947, 751.849731 ],
+			[ 436.266113, 755.086365 ],
+			[ 428.023224, 752.251587 ],
+			[ 419.685944, 741.671631 ],
+			[ 410.562775, 715.698853 ],
+			[ 395.578583, 646.898132 ],
+			[ 393.708954, 586.411865 ],
+			[ 400.084747, 529.920349 ],
+			[ 412.832184, 468.120056 ],
+			[ 426.251495, 431.043945 ],
+			[ 434.883759, 426.080505 ],
+			[ 445.436584, 420.905579 ],
+			[ 458.045898, 422.974060 ],
+			[ 472.366180, 432.954834 ],
+			[ 474.041718, 434.395203 ],
+			[ 475.368622, 437.229187 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/l_4.json b/tool/recorder/data/reference/l_4.json
new file mode 100644
index 0000000..ccc566d
--- /dev/null
+++ b/tool/recorder/data/reference/l_4.json
@@ -0,0 +1,36 @@
+{
+	"type": "REFERENCE",
+	"value": "l",
+	"sub-id": 4,
+	"data": [
+		[
+			[ 363.663269, 438.345642 ],
+			[ 373.062256, 446.889893 ],
+			[ 382.020325, 459.015442 ],
+			[ 394.463226, 476.390869 ],
+			[ 415.237823, 511.892151 ],
+			[ 437.296692, 556.836060 ],
+			[ 451.455231, 599.791321 ],
+			[ 459.401428, 641.026550 ],
+			[ 466.154297, 684.966919 ],
+			[ 466.571411, 716.814575 ],
+			[ 464.021301, 726.680542 ],
+			[ 458.466064, 729.557678 ],
+			[ 451.382843, 729.671387 ],
+			[ 439.799957, 727.295166 ],
+			[ 426.161652, 722.002686 ],
+			[ 411.490723, 715.150879 ],
+			[ 397.295532, 702.974243 ],
+			[ 384.289246, 679.634705 ],
+			[ 369.933228, 628.391174 ],
+			[ 368.143921, 590.114197 ],
+			[ 382.048889, 520.817505 ],
+			[ 403.007874, 466.806580 ],
+			[ 424.290710, 440.524048 ],
+			[ 435.373413, 433.305969 ],
+			[ 445.113251, 427.087830 ],
+			[ 447.591064, 426.612366 ],
+			[ 447.990204, 426.487244 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/l_5.json b/tool/recorder/data/reference/l_5.json
new file mode 100644
index 0000000..959ad11
--- /dev/null
+++ b/tool/recorder/data/reference/l_5.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "l",
+	"sub-id": 5,
+	"data": [
+		[
+			[ 320.370026, 439.678284 ],
+			[ 328.833008, 445.138611 ],
+			[ 336.743439, 453.265930 ],
+			[ 347.357727, 465.149658 ],
+			[ 361.342682, 479.440247 ],
+			[ 378.112946, 500.632629 ],
+			[ 396.815826, 527.084717 ],
+			[ 418.301117, 563.897461 ],
+			[ 431.591339, 592.134399 ],
+			[ 443.853577, 628.622681 ],
+			[ 448.734009, 660.119324 ],
+			[ 448.394775, 684.779968 ],
+			[ 445.615479, 698.626099 ],
+			[ 442.499878, 709.167908 ],
+			[ 438.109344, 717.527832 ],
+			[ 431.867615, 723.960449 ],
+			[ 427.004242, 727.948486 ],
+			[ 421.947723, 729.039551 ],
+			[ 415.620941, 727.654785 ],
+			[ 407.268158, 721.226074 ],
+			[ 399.511169, 704.706909 ],
+			[ 394.121368, 681.424194 ],
+			[ 390.352570, 642.402222 ],
+			[ 391.288513, 597.180542 ],
+			[ 398.117706, 551.077820 ],
+			[ 410.362823, 511.991272 ],
+			[ 425.798126, 479.240479 ],
+			[ 434.584595, 467.633118 ],
+			[ 444.503784, 454.590637 ],
+			[ 452.634888, 446.662537 ],
+			[ 455.000793, 445.545532 ],
+			[ 455.402771, 445.276733 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/m_1.json b/tool/recorder/data/reference/m_1.json
new file mode 100644
index 0000000..f2cd76c
--- /dev/null
+++ b/tool/recorder/data/reference/m_1.json
@@ -0,0 +1,64 @@
+{
+	"type": "REFERENCE",
+	"value": "m",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 355.670685, 497.648132 ],
+			[ 360.980621, 503.034180 ],
+			[ 366.125244, 508.141663 ],
+			[ 372.979980, 513.474060 ],
+			[ 380.723175, 518.132385 ],
+			[ 389.689758, 522.250122 ],
+			[ 399.645447, 524.026123 ],
+			[ 410.336761, 522.459534 ],
+			[ 418.432343, 518.047729 ],
+			[ 424.195068, 506.112183 ],
+			[ 427.816986, 490.418091 ],
+			[ 429.039185, 467.584167 ],
+			[ 427.874695, 447.043030 ],
+			[ 426.444641, 429.492249 ],
+			[ 425.514160, 420.719849 ],
+			[ 424.242950, 415.807922 ],
+			[ 423.190979, 413.152466 ],
+			[ 422.341003, 413.091797 ],
+			[ 422.684204, 415.156677 ],
+			[ 424.114258, 429.767639 ],
+			[ 427.105896, 453.840820 ],
+			[ 432.646851, 479.252869 ],
+			[ 440.237793, 503.110901 ],
+			[ 447.473724, 518.917908 ],
+			[ 453.365173, 528.622559 ],
+			[ 459.239868, 530.092468 ],
+			[ 464.374420, 528.863892 ],
+			[ 468.620911, 522.845398 ],
+			[ 476.137024, 505.684082 ],
+			[ 479.835785, 488.931091 ],
+			[ 482.079346, 467.838135 ],
+			[ 481.946533, 450.741699 ],
+			[ 479.905182, 439.366333 ],
+			[ 478.870148, 433.502380 ],
+			[ 477.686066, 431.375244 ],
+			[ 477.857239, 431.643066 ],
+			[ 475.488312, 433.876526 ],
+			[ 473.384644, 441.418457 ],
+			[ 471.532928, 461.751404 ],
+			[ 472.339813, 478.830139 ],
+			[ 476.515167, 493.204956 ],
+			[ 482.244751, 503.529541 ],
+			[ 488.007812, 509.786377 ],
+			[ 493.007965, 512.171021 ],
+			[ 498.188141, 511.831421 ],
+			[ 503.597931, 509.020447 ],
+			[ 510.252502, 503.519348 ],
+			[ 517.388916, 491.191528 ],
+			[ 522.004639, 474.320862 ],
+			[ 524.913025, 454.705933 ],
+			[ 525.039917, 439.959290 ],
+			[ 524.663086, 430.697449 ],
+			[ 522.786072, 426.916992 ],
+			[ 522.541931, 426.098999 ],
+			[ 522.439270, 425.754883 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/m_2.json b/tool/recorder/data/reference/m_2.json
new file mode 100644
index 0000000..ee329b2
--- /dev/null
+++ b/tool/recorder/data/reference/m_2.json
@@ -0,0 +1,60 @@
+{
+	"type": "REFERENCE",
+	"value": "m",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 340.351532, 536.294678 ],
+			[ 339.077545, 531.833984 ],
+			[ 339.022095, 523.103882 ],
+			[ 338.963074, 510.330750 ],
+			[ 339.384125, 493.961121 ],
+			[ 340.067047, 471.916809 ],
+			[ 340.088867, 448.383301 ],
+			[ 340.428162, 428.782349 ],
+			[ 339.312836, 415.729004 ],
+			[ 338.656952, 409.294128 ],
+			[ 338.634491, 408.227051 ]
+		],
+		[
+			[ 340.351532, 478.991150 ],
+			[ 337.549927, 482.498535 ],
+			[ 338.482452, 485.457642 ],
+			[ 341.276855, 489.942261 ],
+			[ 345.481598, 495.402161 ],
+			[ 353.667694, 505.064026 ],
+			[ 363.108612, 514.914795 ],
+			[ 373.934540, 521.543579 ],
+			[ 384.076172, 521.416626 ],
+			[ 394.035431, 511.218323 ],
+			[ 400.439789, 493.078369 ],
+			[ 403.462250, 472.824219 ],
+			[ 402.717773, 451.857849 ],
+			[ 400.573853, 436.973877 ],
+			[ 399.314972, 425.065247 ],
+			[ 398.725647, 417.332520 ],
+			[ 398.442261, 413.894775 ],
+			[ 398.377869, 413.348206 ]
+		],
+		[
+			[ 402.960236, 470.329041 ],
+			[ 400.982422, 474.289917 ],
+			[ 400.473816, 476.560486 ],
+			[ 400.398315, 479.581360 ],
+			[ 401.726288, 485.449036 ],
+			[ 405.581146, 492.863464 ],
+			[ 413.742462, 502.872131 ],
+			[ 422.864838, 511.934753 ],
+			[ 431.372040, 515.124817 ],
+			[ 441.075104, 512.399414 ],
+			[ 450.220734, 501.888672 ],
+			[ 458.421234, 482.043762 ],
+			[ 462.446594, 459.661194 ],
+			[ 463.445312, 440.741882 ],
+			[ 461.313202, 425.644287 ],
+			[ 459.607605, 418.126770 ],
+			[ 459.209869, 416.310486 ],
+			[ 459.170013, 416.139526 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/n_1.json b/tool/recorder/data/reference/n_1.json
new file mode 100644
index 0000000..357ca87
--- /dev/null
+++ b/tool/recorder/data/reference/n_1.json
@@ -0,0 +1,44 @@
+{
+	"type": "REFERENCE",
+	"value": "n",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 357.668823, 492.317566 ],
+			[ 362.562195, 495.953491 ],
+			[ 367.369720, 501.349915 ],
+			[ 373.636322, 507.644165 ],
+			[ 380.666626, 513.656006 ],
+			[ 389.049957, 519.973083 ],
+			[ 397.853485, 525.307068 ],
+			[ 404.957397, 527.222168 ],
+			[ 412.121765, 523.527893 ],
+			[ 420.138489, 511.466553 ],
+			[ 424.905853, 495.353271 ],
+			[ 428.738098, 475.404175 ],
+			[ 429.952148, 456.083496 ],
+			[ 429.751770, 441.077393 ],
+			[ 428.537140, 430.104065 ],
+			[ 427.643921, 423.821594 ],
+			[ 427.296509, 422.789673 ],
+			[ 427.096222, 421.769165 ],
+			[ 428.281921, 434.265503 ],
+			[ 430.372375, 457.300110 ],
+			[ 433.946747, 481.898071 ],
+			[ 438.767944, 502.117615 ],
+			[ 444.697815, 517.194458 ],
+			[ 450.462738, 523.745178 ],
+			[ 455.791443, 523.788940 ],
+			[ 461.069733, 520.432556 ],
+			[ 468.902466, 509.842102 ],
+			[ 476.765381, 493.953613 ],
+			[ 481.871979, 473.916504 ],
+			[ 485.267609, 455.957336 ],
+			[ 487.160217, 438.426880 ],
+			[ 488.116241, 426.642944 ],
+			[ 487.890137, 420.018799 ],
+			[ 485.891174, 417.635742 ],
+			[ 485.754425, 417.463379 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/n_2.json b/tool/recorder/data/reference/n_2.json
new file mode 100644
index 0000000..042bf9f
--- /dev/null
+++ b/tool/recorder/data/reference/n_2.json
@@ -0,0 +1,38 @@
+{
+	"type": "REFERENCE",
+	"value": "n",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 297.058289, 538.293640 ],
+			[ 298.950104, 528.812683 ],
+			[ 301.427246, 515.242676 ],
+			[ 303.041351, 498.327576 ],
+			[ 304.283264, 474.701416 ],
+			[ 304.355133, 449.692444 ],
+			[ 304.106628, 426.002808 ],
+			[ 303.911438, 408.692322 ],
+			[ 304.722931, 398.877808 ],
+			[ 305.639496, 397.004395 ]
+		],
+		[
+			[ 306.382996, 482.322754 ],
+			[ 307.972351, 488.775513 ],
+			[ 311.209839, 492.421753 ],
+			[ 316.736053, 496.834961 ],
+			[ 325.864441, 502.814880 ],
+			[ 337.701782, 508.483643 ],
+			[ 351.137665, 512.467285 ],
+			[ 364.476837, 512.542297 ],
+			[ 374.255157, 508.761841 ],
+			[ 382.651764, 499.439819 ],
+			[ 390.130768, 481.322876 ],
+			[ 395.475128, 457.404541 ],
+			[ 397.135223, 435.660461 ],
+			[ 397.967041, 420.137451 ],
+			[ 399.551636, 408.859131 ],
+			[ 399.595245, 408.607605 ],
+			[ 399.694427, 408.035583 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/o_1.json b/tool/recorder/data/reference/o_1.json
new file mode 100644
index 0000000..906fc2d
--- /dev/null
+++ b/tool/recorder/data/reference/o_1.json
@@ -0,0 +1,49 @@
+{
+	"type": "REFERENCE",
+	"value": "o",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 399.629974, 526.299866 ],
+			[ 396.566528, 530.129700 ],
+			[ 393.738007, 530.248718 ],
+			[ 390.578339, 530.187134 ],
+			[ 386.745514, 530.388428 ],
+			[ 382.128052, 527.148010 ],
+			[ 377.900208, 522.401001 ],
+			[ 373.012756, 515.942444 ],
+			[ 367.616760, 505.601868 ],
+			[ 363.267792, 493.606506 ],
+			[ 360.467621, 477.745422 ],
+			[ 360.322815, 462.032471 ],
+			[ 361.574738, 448.574646 ],
+			[ 365.925629, 438.571228 ],
+			[ 371.567993, 431.620117 ],
+			[ 380.447601, 424.723389 ],
+			[ 387.843201, 422.496155 ],
+			[ 395.372681, 423.037415 ],
+			[ 402.646881, 426.415588 ],
+			[ 410.238831, 433.460999 ],
+			[ 417.155640, 443.628479 ],
+			[ 421.135681, 457.495422 ],
+			[ 421.830536, 472.264771 ],
+			[ 420.836548, 487.079285 ],
+			[ 418.345490, 497.680298 ],
+			[ 412.674744, 507.784363 ],
+			[ 405.147705, 517.405518 ],
+			[ 397.914551, 522.240173 ],
+			[ 391.696930, 525.425171 ],
+			[ 387.703430, 526.040527 ],
+			[ 384.648621, 525.986816 ],
+			[ 381.667786, 525.303528 ],
+			[ 381.786804, 523.227966 ],
+			[ 381.781403, 517.804443 ],
+			[ 389.944641, 507.163940 ],
+			[ 398.516998, 502.243591 ],
+			[ 408.837952, 500.894714 ],
+			[ 422.814880, 502.561829 ],
+			[ 434.604095, 508.557556 ],
+			[ 444.352753, 516.938660 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/o_2.json b/tool/recorder/data/reference/o_2.json
new file mode 100644
index 0000000..13a1339
--- /dev/null
+++ b/tool/recorder/data/reference/o_2.json
@@ -0,0 +1,46 @@
+{
+	"type": "REFERENCE",
+	"value": "o",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 381.646637, 521.635620 ],
+			[ 377.713257, 524.914856 ],
+			[ 374.494537, 525.462769 ],
+			[ 370.227844, 525.561157 ],
+			[ 365.278656, 525.763794 ],
+			[ 359.384674, 525.332031 ],
+			[ 353.722656, 523.024536 ],
+			[ 346.605164, 514.388672 ],
+			[ 342.629883, 501.224304 ],
+			[ 340.721832, 487.081055 ],
+			[ 341.535156, 474.078308 ],
+			[ 342.966705, 460.036682 ],
+			[ 346.100616, 448.722290 ],
+			[ 351.500824, 441.237610 ],
+			[ 357.528442, 436.868896 ],
+			[ 364.541748, 438.133545 ],
+			[ 372.663116, 440.157898 ],
+			[ 381.059845, 444.087280 ],
+			[ 388.075958, 451.185730 ],
+			[ 394.652496, 463.802368 ],
+			[ 398.131866, 475.982239 ],
+			[ 398.730377, 490.435791 ],
+			[ 396.855530, 505.350159 ],
+			[ 394.252899, 519.277100 ],
+			[ 390.120972, 527.567261 ],
+			[ 384.919952, 530.901978 ],
+			[ 379.273590, 530.696716 ],
+			[ 371.441406, 527.750671 ],
+			[ 364.282684, 525.650757 ],
+			[ 359.245148, 524.522827 ],
+			[ 356.499847, 523.803772 ],
+			[ 354.865997, 523.262207 ],
+			[ 355.202148, 520.792297 ],
+			[ 358.496338, 517.496277 ],
+			[ 368.914001, 513.062134 ],
+			[ 385.330475, 513.269104 ],
+			[ 400.369965, 517.476624 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/o_3.json b/tool/recorder/data/reference/o_3.json
new file mode 100644
index 0000000..079bb5d
--- /dev/null
+++ b/tool/recorder/data/reference/o_3.json
@@ -0,0 +1,48 @@
+{
+	"type": "REFERENCE",
+	"value": "o",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 380.314514, 522.301941 ],
+			[ 376.402008, 522.301941 ],
+			[ 372.723389, 522.301636 ],
+			[ 369.265564, 520.708801 ],
+			[ 363.865570, 517.715332 ],
+			[ 358.924042, 512.619202 ],
+			[ 353.465271, 502.615356 ],
+			[ 350.336456, 488.567566 ],
+			[ 349.256470, 474.074463 ],
+			[ 349.923920, 460.436829 ],
+			[ 350.681183, 451.580872 ],
+			[ 353.757935, 445.706116 ],
+			[ 358.315063, 443.161255 ],
+			[ 364.775513, 441.825623 ],
+			[ 370.768097, 442.038635 ],
+			[ 377.503723, 443.338562 ],
+			[ 383.530487, 445.736267 ],
+			[ 389.509430, 451.808044 ],
+			[ 392.746399, 460.329712 ],
+			[ 394.710602, 472.105225 ],
+			[ 394.342804, 483.992065 ],
+			[ 391.833740, 495.495911 ],
+			[ 385.511139, 507.396484 ],
+			[ 378.959076, 517.978943 ],
+			[ 373.793793, 522.210938 ],
+			[ 368.992218, 521.351868 ],
+			[ 364.500824, 519.371521 ],
+			[ 361.429199, 517.802002 ],
+			[ 359.502380, 516.775757 ],
+			[ 358.952881, 514.440552 ],
+			[ 359.589630, 511.853577 ],
+			[ 362.763733, 508.085815 ],
+			[ 371.936615, 502.085144 ],
+			[ 384.659698, 499.340759 ],
+			[ 398.202454, 500.046387 ],
+			[ 411.726166, 503.714233 ],
+			[ 424.225464, 511.958801 ],
+			[ 429.374298, 515.631653 ],
+			[ 429.797638, 515.935364 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/p_1.json b/tool/recorder/data/reference/p_1.json
new file mode 100644
index 0000000..2a5006f
--- /dev/null
+++ b/tool/recorder/data/reference/p_1.json
@@ -0,0 +1,48 @@
+{
+	"type": "REFERENCE",
+	"value": "p",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 278.408875, 456.336304 ],
+			[ 284.622131, 453.232117 ],
+			[ 290.498749, 453.029846 ],
+			[ 299.510284, 453.282288 ],
+			[ 311.220154, 456.600830 ],
+			[ 326.047943, 465.254883 ],
+			[ 340.719727, 476.090027 ],
+			[ 352.027954, 486.568787 ],
+			[ 360.007568, 496.072998 ],
+			[ 365.035828, 502.606384 ],
+			[ 366.953033, 505.568787 ],
+			[ 368.069397, 506.063660 ],
+			[ 368.052704, 506.051697 ],
+			[ 367.098053, 493.992554 ],
+			[ 366.339111, 469.130127 ],
+			[ 363.685242, 411.306458 ],
+			[ 363.277191, 378.895691 ],
+			[ 362.530609, 335.726807 ],
+			[ 360.977509, 304.805420 ],
+			[ 359.887573, 287.393005 ],
+			[ 358.999329, 279.594238 ],
+			[ 358.070190, 273.578857 ],
+			[ 357.502014, 274.241821 ],
+			[ 357.627350, 275.650513 ],
+			[ 357.018768, 287.319153 ],
+			[ 356.105011, 313.637878 ]
+		],
+		[
+			[ 360.333038, 455.003662 ],
+			[ 367.615662, 458.252686 ],
+			[ 372.816437, 460.433472 ],
+			[ 378.529388, 462.595581 ],
+			[ 384.265350, 463.954529 ],
+			[ 390.207886, 464.161377 ],
+			[ 396.194366, 461.649475 ],
+			[ 402.671967, 452.737793 ],
+			[ 408.925232, 441.727600 ],
+			[ 417.563141, 432.915222 ],
+			[ 427.767822, 430.525635 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/p_2.json b/tool/recorder/data/reference/p_2.json
new file mode 100644
index 0000000..c20d7bc
--- /dev/null
+++ b/tool/recorder/data/reference/p_2.json
@@ -0,0 +1,39 @@
+{
+	"type": "REFERENCE",
+	"value": "p",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 335.689178, 518.970337 ],
+			[ 334.407501, 507.593506 ],
+			[ 334.241516, 492.865967 ],
+			[ 334.471649, 458.140930 ],
+			[ 334.222443, 414.071960 ],
+			[ 332.393646, 368.717773 ],
+			[ 329.678589, 345.436157 ],
+			[ 327.311646, 331.166748 ],
+			[ 324.893433, 318.959656 ],
+			[ 322.927094, 315.524780 ],
+			[ 323.014038, 315.675781 ]
+		],
+		[
+			[ 323.034241, 500.313416 ],
+			[ 327.840057, 506.939941 ],
+			[ 333.174927, 511.551697 ],
+			[ 341.064056, 515.221008 ],
+			[ 351.879333, 516.240112 ],
+			[ 363.963928, 515.023743 ],
+			[ 373.717957, 510.361389 ],
+			[ 380.699707, 503.292358 ],
+			[ 384.972717, 494.414551 ],
+			[ 384.326263, 483.862793 ],
+			[ 379.274658, 468.467712 ],
+			[ 368.501312, 454.569092 ],
+			[ 356.338959, 446.065247 ],
+			[ 345.067535, 441.513000 ],
+			[ 340.770691, 441.807617 ],
+			[ 340.082275, 444.764526 ],
+			[ 339.642822, 445.283630 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/q_1.json b/tool/recorder/data/reference/q_1.json
new file mode 100644
index 0000000..fcea465
--- /dev/null
+++ b/tool/recorder/data/reference/q_1.json
@@ -0,0 +1,39 @@
+{
+	"type": "REFERENCE",
+	"value": "q",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 402.294189, 520.302979 ],
+			[ 396.530090, 520.302734 ],
+			[ 391.610962, 520.129272 ],
+			[ 384.984100, 519.695801 ],
+			[ 372.977356, 519.567322 ],
+			[ 358.953156, 516.356934 ],
+			[ 343.613586, 507.162842 ],
+			[ 332.276520, 489.234985 ],
+			[ 325.900269, 450.797058 ],
+			[ 327.845276, 423.891907 ],
+			[ 333.247833, 406.369629 ],
+			[ 342.684998, 399.769531 ],
+			[ 354.794128, 400.474243 ],
+			[ 366.787445, 410.550171 ],
+			[ 378.847992, 426.036011 ],
+			[ 388.175323, 446.563660 ],
+			[ 396.282318, 469.917603 ],
+			[ 400.828766, 491.005066 ],
+			[ 403.904541, 506.108887 ],
+			[ 404.324890, 511.516785 ],
+			[ 404.124146, 512.415955 ],
+			[ 403.583435, 512.740173 ],
+			[ 403.734924, 512.517334 ],
+			[ 401.544098, 499.061157 ],
+			[ 397.356262, 460.507446 ],
+			[ 394.885620, 411.163269 ],
+			[ 395.440857, 344.264038 ],
+			[ 397.582001, 275.504822 ],
+			[ 398.121429, 241.440002 ],
+			[ 398.152222, 238.761169 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/question_1.json b/tool/recorder/data/reference/question_1.json
new file mode 100644
index 0000000..006bccb
--- /dev/null
+++ b/tool/recorder/data/reference/question_1.json
@@ -0,0 +1,39 @@
+{
+	"type": "REFERENCE",
+	"value": "?",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 305.050873, 582.937012 ],
+			[ 300.437775, 582.937012 ],
+			[ 298.825531, 583.573242 ],
+			[ 298.263550, 586.591370 ],
+			[ 299.113983, 589.201904 ],
+			[ 302.264496, 593.065063 ],
+			[ 309.491486, 599.316162 ],
+			[ 321.582458, 606.707703 ],
+			[ 333.483856, 612.754028 ],
+			[ 345.114624, 616.627563 ],
+			[ 354.536591, 616.512695 ],
+			[ 361.604919, 615.397461 ],
+			[ 366.869263, 612.940796 ],
+			[ 369.785126, 609.297241 ],
+			[ 371.094727, 604.438232 ],
+			[ 368.292023, 591.779968 ],
+			[ 363.015961, 576.857117 ],
+			[ 356.919800, 560.381775 ],
+			[ 349.869232, 545.072754 ],
+			[ 344.403381, 529.274048 ],
+			[ 341.464691, 513.088196 ],
+			[ 340.579407, 501.387634 ],
+			[ 340.711731, 493.176819 ],
+			[ 341.287537, 489.957275 ],
+			[ 341.327057, 489.731995 ]
+		],
+		[
+			[ 355.670685, 430.349854 ],
+			[ 356.947418, 434.181702 ],
+			[ 357.611359, 436.852356 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/question_2.json b/tool/recorder/data/reference/question_2.json
new file mode 100644
index 0000000..2ac034b
--- /dev/null
+++ b/tool/recorder/data/reference/question_2.json
@@ -0,0 +1,79 @@
+{
+	"type": "REFERENCE",
+	"value": "?",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 331.026825, 572.275940 ],
+			[ 327.792023, 569.686707 ],
+			[ 324.880493, 569.787415 ],
+			[ 321.266602, 570.811340 ],
+			[ 316.065613, 571.862366 ],
+			[ 310.509430, 573.549255 ],
+			[ 304.798828, 575.131836 ],
+			[ 298.157715, 579.174500 ],
+			[ 293.735413, 582.592346 ],
+			[ 290.777039, 585.496094 ],
+			[ 289.141144, 588.128479 ],
+			[ 288.802368, 590.935059 ],
+			[ 288.735260, 592.914429 ],
+			[ 288.859344, 596.491455 ],
+			[ 290.525726, 599.925598 ],
+			[ 297.622559, 604.492920 ],
+			[ 302.871124, 607.250000 ],
+			[ 309.945496, 610.684326 ],
+			[ 316.904022, 613.988159 ],
+			[ 322.255157, 616.219421 ],
+			[ 326.716003, 618.829590 ],
+			[ 332.877045, 622.429077 ],
+			[ 336.846313, 623.434570 ],
+			[ 339.121643, 624.010071 ],
+			[ 340.765869, 623.588928 ],
+			[ 343.591034, 622.496765 ],
+			[ 345.214844, 621.922485 ],
+			[ 348.205994, 620.671143 ],
+			[ 349.423676, 619.839722 ],
+			[ 351.288116, 617.173950 ],
+			[ 353.047424, 614.721985 ],
+			[ 355.317535, 610.876587 ],
+			[ 356.662201, 608.405029 ],
+			[ 357.871704, 605.438843 ],
+			[ 358.011230, 602.635864 ],
+			[ 358.310150, 598.999939 ],
+			[ 358.205505, 595.998352 ],
+			[ 357.944946, 592.407898 ],
+			[ 357.636810, 588.992310 ],
+			[ 356.800537, 584.485779 ],
+			[ 356.468079, 579.729797 ],
+			[ 355.079590, 574.969055 ],
+			[ 353.404266, 570.466919 ],
+			[ 351.931732, 567.372253 ],
+			[ 349.062775, 563.888550 ],
+			[ 346.003998, 560.677551 ],
+			[ 343.236542, 558.526306 ],
+			[ 340.148041, 555.330200 ],
+			[ 337.249786, 552.715515 ],
+			[ 333.560608, 549.873230 ],
+			[ 330.119385, 547.222046 ],
+			[ 327.490601, 545.189331 ],
+			[ 322.541687, 540.531677 ],
+			[ 319.952423, 537.446655 ],
+			[ 317.880157, 534.640808 ],
+			[ 316.001068, 530.858398 ],
+			[ 314.784698, 526.858643 ],
+			[ 313.830994, 517.163940 ],
+			[ 314.352295, 511.908813 ],
+			[ 315.119476, 506.004822 ],
+			[ 315.863617, 500.729858 ],
+			[ 316.200104, 497.146118 ],
+			[ 316.389191, 494.935486 ]
+		],
+		[
+			[ 332.358917, 431.682495 ],
+			[ 328.546265, 432.318298 ],
+			[ 327.079437, 435.354919 ],
+			[ 329.676697, 436.507263 ],
+			[ 331.977386, 436.606934 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/r_1.json b/tool/recorder/data/reference/r_1.json
new file mode 100644
index 0000000..4ca6e52
--- /dev/null
+++ b/tool/recorder/data/reference/r_1.json
@@ -0,0 +1,33 @@
+{
+	"type": "REFERENCE",
+	"value": "r",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 325.698425, 538.959961 ],
+			[ 326.320770, 532.576172 ],
+			[ 326.137299, 522.226196 ],
+			[ 326.368591, 509.688782 ],
+			[ 326.405853, 493.725952 ],
+			[ 326.407135, 474.741760 ],
+			[ 326.390686, 453.469238 ],
+			[ 326.376678, 442.827454 ],
+			[ 326.368927, 435.122375 ],
+			[ 326.366943, 432.211792 ],
+			[ 325.418915, 430.458923 ]
+		],
+		[
+			[ 322.368164, 503.645020 ],
+			[ 326.277313, 504.296936 ],
+			[ 330.133087, 506.257263 ],
+			[ 334.523499, 508.076355 ],
+			[ 339.847473, 510.087097 ],
+			[ 345.557556, 512.528259 ],
+			[ 351.243591, 514.722107 ],
+			[ 361.534851, 517.716370 ],
+			[ 365.409515, 518.437927 ],
+			[ 365.815796, 518.512085 ],
+			[ 366.751343, 518.626221 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/r_2.json b/tool/recorder/data/reference/r_2.json
new file mode 100644
index 0000000..f7958da
--- /dev/null
+++ b/tool/recorder/data/reference/r_2.json
@@ -0,0 +1,50 @@
+{
+	"type": "REFERENCE",
+	"value": "r",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 331.026825, 413.025513 ],
+			[ 331.026672, 416.914856 ],
+			[ 332.278656, 419.288452 ],
+			[ 334.538605, 422.285095 ],
+			[ 338.018799, 427.220093 ],
+			[ 343.314789, 436.104492 ],
+			[ 348.331848, 448.956543 ],
+			[ 353.354645, 466.743896 ],
+			[ 356.718689, 484.200684 ],
+			[ 359.081848, 499.713684 ],
+			[ 359.739471, 515.832214 ],
+			[ 359.244965, 530.203491 ],
+			[ 358.229645, 540.577271 ],
+			[ 356.172485, 545.328613 ],
+			[ 352.139435, 548.384277 ],
+			[ 349.305176, 549.615967 ],
+			[ 341.824951, 547.266602 ],
+			[ 336.226868, 545.049194 ],
+			[ 332.052155, 542.570251 ],
+			[ 329.366669, 536.736328 ],
+			[ 328.838593, 529.908752 ],
+			[ 331.321442, 521.870972 ],
+			[ 335.918976, 515.754211 ],
+			[ 343.454620, 512.876709 ],
+			[ 353.385406, 513.700745 ],
+			[ 363.680328, 516.011414 ],
+			[ 372.306122, 519.149780 ],
+			[ 379.800537, 523.050171 ],
+			[ 386.081635, 526.292236 ],
+			[ 390.257843, 526.741394 ],
+			[ 395.023621, 525.041077 ],
+			[ 398.094025, 519.833618 ],
+			[ 401.223480, 509.685059 ],
+			[ 403.127777, 496.898071 ],
+			[ 404.287659, 481.250488 ],
+			[ 405.063873, 462.096436 ],
+			[ 406.671173, 444.717834 ],
+			[ 409.002075, 432.349304 ],
+			[ 411.821289, 423.821106 ],
+			[ 415.038879, 419.977173 ],
+			[ 415.222504, 419.803284 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/r_3.json b/tool/recorder/data/reference/r_3.json
new file mode 100644
index 0000000..e59dec6
--- /dev/null
+++ b/tool/recorder/data/reference/r_3.json
@@ -0,0 +1,41 @@
+{
+	"type": "REFERENCE",
+	"value": "r",
+	"sub-id": 3,
+	"data": [
+		[
+			[ 292.395935, 441.010925 ],
+			[ 297.786774, 441.010864 ],
+			[ 301.034058, 443.024597 ],
+			[ 304.590302, 445.938354 ],
+			[ 309.350464, 450.271301 ],
+			[ 314.838623, 456.167419 ],
+			[ 322.833740, 467.197693 ],
+			[ 329.409271, 477.398071 ],
+			[ 334.948120, 488.834106 ],
+			[ 337.517731, 501.000977 ],
+			[ 336.829468, 514.156982 ],
+			[ 334.676208, 529.188904 ],
+			[ 330.419189, 538.984863 ],
+			[ 324.973907, 545.134949 ],
+			[ 320.487671, 547.816895 ],
+			[ 318.518188, 548.355347 ],
+			[ 316.823730, 547.470947 ],
+			[ 318.029388, 545.917908 ],
+			[ 326.162506, 540.270935 ],
+			[ 340.913086, 533.940002 ],
+			[ 353.664551, 530.960022 ],
+			[ 365.839752, 530.739441 ],
+			[ 373.137787, 529.797424 ],
+			[ 377.344482, 526.353149 ],
+			[ 378.925842, 516.938477 ],
+			[ 377.442841, 501.156311 ],
+			[ 376.923065, 484.478394 ],
+			[ 376.295105, 467.217773 ],
+			[ 377.397308, 452.825745 ],
+			[ 380.690857, 443.031006 ],
+			[ 381.780609, 440.110596 ],
+			[ 381.924591, 439.727478 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/s_1.json b/tool/recorder/data/reference/s_1.json
new file mode 100644
index 0000000..b2eb0c9
--- /dev/null
+++ b/tool/recorder/data/reference/s_1.json
@@ -0,0 +1,36 @@
+{
+	"type": "REFERENCE",
+	"value": "s",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 282.405182, 421.687683 ],
+			[ 286.160370, 427.202026 ],
+			[ 290.098328, 429.428711 ],
+			[ 297.624725, 432.269531 ],
+			[ 310.003265, 436.572449 ],
+			[ 326.862732, 442.880981 ],
+			[ 345.457092, 454.532043 ],
+			[ 362.356903, 470.649231 ],
+			[ 376.115448, 488.651978 ],
+			[ 385.861847, 504.393005 ],
+			[ 392.140686, 516.985962 ],
+			[ 395.654999, 524.430725 ],
+			[ 396.195740, 525.160706 ],
+			[ 396.827087, 522.291382 ],
+			[ 398.459503, 515.300720 ],
+			[ 401.557648, 501.186707 ],
+			[ 405.019836, 481.152100 ],
+			[ 406.029999, 457.174500 ],
+			[ 404.205475, 438.825562 ],
+			[ 400.462463, 422.651306 ],
+			[ 394.318573, 413.535095 ],
+			[ 385.267731, 411.636108 ],
+			[ 375.865387, 416.349548 ],
+			[ 365.446075, 428.169495 ],
+			[ 360.987518, 444.612183 ],
+			[ 360.871765, 446.057739 ],
+			[ 360.826660, 446.621277 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/s_2.json b/tool/recorder/data/reference/s_2.json
new file mode 100644
index 0000000..3d8338e
--- /dev/null
+++ b/tool/recorder/data/reference/s_2.json
@@ -0,0 +1,20 @@
+{
+	"type": "REFERENCE",
+	"value": "s",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 404.292328, 571.609619 ],
+			[ 395.836151, 558.889587 ],
+			[ 388.388763, 549.881958 ],
+			[ 380.442841, 537.648621 ],
+			[ 369.620850, 520.411865 ],
+			[ 356.580383, 498.847534 ],
+			[ 343.520111, 475.184204 ],
+			[ 331.202637, 452.470520 ],
+			[ 321.537445, 436.249084 ],
+			[ 314.268127, 422.456299 ],
+			[ 306.215240, 412.945435 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/slash_1.json b/tool/recorder/data/reference/slash_1.json
new file mode 100644
index 0000000..31c685a
--- /dev/null
+++ b/tool/recorder/data/reference/slash_1.json
@@ -0,0 +1,20 @@
+{
+	"type": "REFERENCE",
+	"value": "slash",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 404.292328, 571.609619 ],
+			[ 395.836151, 558.889587 ],
+			[ 388.388763, 549.881958 ],
+			[ 380.442841, 537.648621 ],
+			[ 369.620850, 520.411865 ],
+			[ 356.580383, 498.847534 ],
+			[ 343.520111, 475.184204 ],
+			[ 331.202637, 452.470520 ],
+			[ 321.537445, 436.249084 ],
+			[ 314.268127, 422.456299 ],
+			[ 306.215240, 412.945435 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/t_1.json b/tool/recorder/data/reference/t_1.json
new file mode 100644
index 0000000..1254810
--- /dev/null
+++ b/tool/recorder/data/reference/t_1.json
@@ -0,0 +1,36 @@
+{
+	"type": "REFERENCE",
+	"value": "t",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 364.329315, 559.615845 ],
+			[ 362.911865, 555.361816 ],
+			[ 363.011017, 548.112305 ],
+			[ 362.421997, 535.287720 ],
+			[ 361.107666, 516.440125 ],
+			[ 359.946838, 492.289795 ],
+			[ 359.866150, 467.988464 ],
+			[ 360.501740, 449.422363 ],
+			[ 363.544556, 437.958679 ],
+			[ 368.213318, 431.029236 ],
+			[ 373.955963, 428.325012 ],
+			[ 381.273956, 428.856567 ],
+			[ 388.445465, 433.952576 ],
+			[ 396.584869, 445.697937 ],
+			[ 400.488708, 459.202454 ],
+			[ 400.807434, 462.159729 ],
+			[ 400.928406, 462.789429 ]
+		],
+		[
+			[ 353.006470, 513.639771 ],
+			[ 357.721466, 511.123962 ],
+			[ 362.754547, 510.694580 ],
+			[ 368.827026, 510.750366 ],
+			[ 376.255737, 511.405640 ],
+			[ 385.516327, 511.678040 ],
+			[ 393.189789, 512.677307 ],
+			[ 394.230438, 513.076355 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/u_1.json b/tool/recorder/data/reference/u_1.json
new file mode 100644
index 0000000..6276b6d
--- /dev/null
+++ b/tool/recorder/data/reference/u_1.json
@@ -0,0 +1,36 @@
+{
+	"type": "REFERENCE",
+	"value": "u",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 406.290466, 520.969299 ],
+			[ 406.290466, 516.570190 ],
+			[ 406.290436, 509.010559 ],
+			[ 407.754669, 498.265503 ],
+			[ 409.894379, 482.365784 ],
+			[ 413.084656, 460.665039 ],
+			[ 417.784546, 441.654358 ],
+			[ 422.636169, 429.197449 ],
+			[ 428.270294, 423.407837 ],
+			[ 434.762573, 422.401367 ],
+			[ 440.677002, 425.868713 ],
+			[ 450.067810, 433.827820 ],
+			[ 460.270264, 449.250671 ],
+			[ 468.066498, 468.273132 ],
+			[ 475.300720, 488.128052 ],
+			[ 478.971069, 506.298401 ],
+			[ 479.817596, 515.956177 ],
+			[ 477.848358, 519.047241 ],
+			[ 477.428497, 519.687683 ],
+			[ 477.342346, 519.833435 ],
+			[ 476.810303, 508.607544 ],
+			[ 477.759460, 483.677979 ],
+			[ 480.091095, 458.120117 ],
+			[ 483.247040, 436.527039 ],
+			[ 485.432098, 419.049011 ],
+			[ 484.882965, 414.843079 ],
+			[ 484.555298, 413.671326 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/u_2.json b/tool/recorder/data/reference/u_2.json
new file mode 100644
index 0000000..c74314a
--- /dev/null
+++ b/tool/recorder/data/reference/u_2.json
@@ -0,0 +1,54 @@
+{
+	"type": "REFERENCE",
+	"value": "u",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 366.327484, 409.693909 ],
+			[ 371.522522, 414.242065 ],
+			[ 377.572144, 418.971375 ],
+			[ 383.980743, 425.893250 ],
+			[ 391.397614, 435.650085 ],
+			[ 400.352509, 449.701599 ],
+			[ 410.288300, 467.349854 ],
+			[ 418.706818, 484.454712 ],
+			[ 426.011658, 501.739990 ],
+			[ 430.353333, 516.182434 ],
+			[ 432.415771, 527.767639 ],
+			[ 432.781403, 533.046082 ],
+			[ 432.078186, 535.126343 ],
+			[ 431.933105, 535.338562 ],
+			[ 431.725525, 531.921387 ],
+			[ 431.297607, 517.987122 ],
+			[ 431.606934, 500.049500 ],
+			[ 433.566528, 478.388367 ],
+			[ 437.123016, 454.174011 ],
+			[ 441.652344, 439.216736 ],
+			[ 445.427216, 429.490356 ],
+			[ 450.031616, 424.995056 ],
+			[ 454.561340, 422.297607 ],
+			[ 460.249268, 422.125916 ],
+			[ 465.825897, 424.046265 ],
+			[ 470.731842, 427.773987 ],
+			[ 476.464478, 435.010742 ],
+			[ 482.259796, 445.914917 ],
+			[ 486.114227, 462.416870 ],
+			[ 489.452118, 482.061951 ],
+			[ 491.745392, 501.032043 ],
+			[ 493.560608, 514.848450 ],
+			[ 495.740936, 525.539734 ],
+			[ 496.445496, 532.417236 ],
+			[ 496.926575, 535.403015 ],
+			[ 497.254913, 537.820679 ],
+			[ 497.332550, 528.929565 ],
+			[ 497.241180, 507.955505 ],
+			[ 497.019012, 484.772705 ],
+			[ 496.801514, 459.500244 ],
+			[ 497.387482, 440.391907 ],
+			[ 497.503784, 425.022766 ],
+			[ 496.457550, 419.595947 ],
+			[ 495.701752, 417.693970 ],
+			[ 495.473206, 418.299316 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/v_1.json b/tool/recorder/data/reference/v_1.json
new file mode 100644
index 0000000..0a74d51
--- /dev/null
+++ b/tool/recorder/data/reference/v_1.json
@@ -0,0 +1,30 @@
+{
+	"type": "REFERENCE",
+	"value": "v",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 335.023132, 532.963074 ],
+			[ 336.962891, 527.787842 ],
+			[ 342.127899, 516.112854 ],
+			[ 349.973602, 501.958008 ],
+			[ 358.288025, 485.153564 ],
+			[ 367.152924, 466.403259 ],
+			[ 374.608459, 447.719971 ],
+			[ 380.242981, 434.730530 ],
+			[ 382.641846, 428.266846 ],
+			[ 383.611908, 426.995056 ],
+			[ 384.406525, 426.027954 ],
+			[ 384.193451, 428.358521 ],
+			[ 385.644562, 444.074829 ],
+			[ 387.424194, 466.242126 ],
+			[ 389.380371, 484.821350 ],
+			[ 392.232971, 503.818726 ],
+			[ 398.104797, 521.935181 ],
+			[ 404.797546, 535.578613 ],
+			[ 412.422211, 541.071716 ],
+			[ 418.296997, 540.262695 ],
+			[ 418.878754, 538.707825 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/v_2.json b/tool/recorder/data/reference/v_2.json
new file mode 100644
index 0000000..3c3e8a2
--- /dev/null
+++ b/tool/recorder/data/reference/v_2.json
@@ -0,0 +1,59 @@
+{
+	"type": "REFERENCE",
+	"value": "v",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 406.290466, 475.659546 ],
+			[ 405.522858, 480.267151 ],
+			[ 406.524689, 482.793701 ],
+			[ 410.838959, 488.151855 ],
+			[ 414.504852, 492.829712 ],
+			[ 418.900238, 496.559143 ],
+			[ 425.016754, 500.693115 ],
+			[ 430.890656, 503.270935 ],
+			[ 435.819519, 504.795471 ],
+			[ 439.328308, 504.884399 ],
+			[ 442.532471, 504.584106 ],
+			[ 449.312073, 498.380249 ],
+			[ 452.515259, 491.005188 ],
+			[ 455.159149, 481.604858 ],
+			[ 457.714752, 468.829834 ],
+			[ 460.120392, 455.390137 ],
+			[ 461.956543, 443.280273 ],
+			[ 464.128418, 434.680481 ],
+			[ 465.910095, 428.299561 ],
+			[ 468.344849, 423.799194 ],
+			[ 472.232086, 417.380188 ],
+			[ 476.604279, 414.710510 ],
+			[ 480.943359, 413.093201 ],
+			[ 487.185394, 413.670654 ],
+			[ 491.868744, 415.526062 ],
+			[ 496.135040, 420.156128 ],
+			[ 500.901154, 428.163086 ],
+			[ 505.020111, 439.487976 ],
+			[ 508.279480, 453.167725 ],
+			[ 509.115784, 469.565552 ],
+			[ 508.327026, 485.142944 ],
+			[ 507.220703, 496.243042 ],
+			[ 504.191162, 506.075806 ],
+			[ 500.574005, 514.459412 ],
+			[ 497.424774, 519.305542 ],
+			[ 494.998932, 520.822327 ],
+			[ 492.932953, 521.811829 ],
+			[ 493.450958, 521.563721 ],
+			[ 493.287964, 518.973145 ],
+			[ 494.141510, 515.718079 ],
+			[ 497.050537, 511.308594 ],
+			[ 504.858368, 506.377380 ],
+			[ 511.535736, 504.669800 ],
+			[ 519.275452, 504.375916 ],
+			[ 528.657410, 504.555908 ],
+			[ 536.535706, 505.757874 ],
+			[ 543.313293, 507.463501 ],
+			[ 547.822632, 509.494507 ],
+			[ 548.989868, 511.296082 ],
+			[ 549.562988, 511.883484 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/w_1.json b/tool/recorder/data/reference/w_1.json
new file mode 100644
index 0000000..7b48743
--- /dev/null
+++ b/tool/recorder/data/reference/w_1.json
@@ -0,0 +1,55 @@
+{
+	"type": "REFERENCE",
+	"value": "w",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 366.993530, 519.636658 ],
+			[ 368.426514, 511.946106 ],
+			[ 370.953156, 502.954895 ],
+			[ 375.399963, 488.942017 ],
+			[ 381.017059, 470.126282 ],
+			[ 388.167755, 448.242126 ],
+			[ 394.251801, 432.645081 ],
+			[ 397.027374, 422.529419 ],
+			[ 399.451416, 414.428223 ],
+			[ 401.340027, 411.321716 ],
+			[ 401.830444, 410.751343 ],
+			[ 403.424896, 410.274414 ],
+			[ 404.737549, 411.484802 ],
+			[ 406.351349, 413.406860 ],
+			[ 408.628113, 416.423401 ],
+			[ 413.579010, 425.899170 ],
+			[ 416.837128, 433.475281 ],
+			[ 419.461609, 440.190613 ],
+			[ 422.008545, 446.952515 ],
+			[ 424.552734, 453.291016 ],
+			[ 426.243591, 457.854492 ],
+			[ 427.539948, 461.552856 ],
+			[ 428.500854, 464.287598 ],
+			[ 429.469879, 464.876770 ],
+			[ 431.773407, 463.810669 ],
+			[ 436.655609, 456.976990 ],
+			[ 440.370148, 449.492371 ],
+			[ 445.155975, 439.938110 ],
+			[ 449.752167, 431.281982 ],
+			[ 454.580505, 423.947815 ],
+			[ 459.145172, 418.339050 ],
+			[ 462.539551, 415.401855 ],
+			[ 465.650696, 414.255798 ],
+			[ 468.531403, 414.448364 ],
+			[ 471.349091, 416.175659 ],
+			[ 474.900391, 420.534729 ],
+			[ 477.984283, 427.455872 ],
+			[ 481.276367, 439.021484 ],
+			[ 484.266815, 454.162109 ],
+			[ 486.642334, 470.546021 ],
+			[ 489.878326, 484.773987 ],
+			[ 493.409393, 495.149719 ],
+			[ 497.846252, 501.812744 ],
+			[ 499.886932, 505.372803 ],
+			[ 500.010620, 508.965210 ],
+			[ 500.054810, 509.575439 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/w_2.json b/tool/recorder/data/reference/w_2.json
new file mode 100644
index 0000000..8c52921
--- /dev/null
+++ b/tool/recorder/data/reference/w_2.json
@@ -0,0 +1,83 @@
+{
+	"type": "REFERENCE",
+	"value": "w",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 382.312683, 467.663757 ],
+			[ 386.215790, 469.616272 ],
+			[ 389.139954, 471.840515 ],
+			[ 391.080048, 474.956482 ],
+			[ 393.175720, 477.047180 ],
+			[ 395.203308, 481.235779 ],
+			[ 398.043152, 484.586487 ],
+			[ 400.799927, 486.870667 ],
+			[ 402.588898, 488.788879 ],
+			[ 405.016174, 489.355164 ],
+			[ 408.573700, 486.959412 ],
+			[ 411.509003, 481.136230 ],
+			[ 413.883911, 471.203125 ],
+			[ 414.627747, 459.342224 ],
+			[ 415.506531, 449.674133 ],
+			[ 416.085022, 442.907837 ],
+			[ 417.019897, 438.824707 ],
+			[ 418.203888, 436.178711 ],
+			[ 420.110321, 434.026794 ],
+			[ 422.502319, 433.015991 ],
+			[ 424.860596, 433.203247 ],
+			[ 428.075897, 434.155945 ],
+			[ 436.642700, 441.495972 ],
+			[ 440.654144, 448.657776 ],
+			[ 443.631989, 456.505127 ],
+			[ 445.944946, 465.161560 ],
+			[ 447.571045, 475.200317 ],
+			[ 449.142273, 482.695923 ],
+			[ 450.357513, 488.936401 ],
+			[ 451.281860, 491.260620 ],
+			[ 452.670593, 495.042297 ],
+			[ 453.181671, 496.664429 ],
+			[ 453.864685, 497.529968 ],
+			[ 453.862640, 497.526123 ],
+			[ 454.219391, 494.158630 ],
+			[ 454.736420, 486.740173 ],
+			[ 455.655609, 476.054749 ],
+			[ 457.064697, 464.762024 ],
+			[ 458.979279, 455.437439 ],
+			[ 460.845215, 448.554932 ],
+			[ 464.010742, 443.199219 ],
+			[ 466.829102, 438.558044 ],
+			[ 468.308685, 437.316406 ],
+			[ 471.666748, 435.989380 ],
+			[ 475.852722, 436.186768 ],
+			[ 478.333160, 436.415405 ],
+			[ 481.846924, 436.982910 ],
+			[ 485.199707, 438.589905 ],
+			[ 488.984436, 441.156555 ],
+			[ 493.725983, 444.887939 ],
+			[ 497.557251, 449.260925 ],
+			[ 500.397522, 455.243591 ],
+			[ 502.072021, 459.351318 ],
+			[ 504.288422, 465.581299 ],
+			[ 505.960022, 470.139282 ],
+			[ 506.656097, 473.681641 ],
+			[ 507.036774, 476.884644 ],
+			[ 506.356110, 478.059509 ],
+			[ 506.371490, 479.573975 ],
+			[ 506.607483, 481.638062 ],
+			[ 506.942291, 483.251160 ],
+			[ 507.794678, 485.579773 ],
+			[ 508.305145, 488.060913 ],
+			[ 508.931702, 491.096497 ],
+			[ 509.132507, 493.569885 ],
+			[ 508.477631, 496.032776 ],
+			[ 506.645630, 498.270325 ],
+			[ 504.526947, 499.365173 ],
+			[ 501.991974, 499.973816 ],
+			[ 500.631927, 499.166931 ],
+			[ 501.104004, 497.567139 ],
+			[ 507.343658, 494.250732 ],
+			[ 521.150635, 493.675781 ],
+			[ 536.852722, 499.938477 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/x_1.json b/tool/recorder/data/reference/x_1.json
new file mode 100644
index 0000000..5575545
--- /dev/null
+++ b/tool/recorder/data/reference/x_1.json
@@ -0,0 +1,31 @@
+{
+	"type": "REFERENCE",
+	"value": "x",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 341.683624, 505.643921 ],
+			[ 348.254486, 499.747253 ],
+			[ 355.297699, 491.449707 ],
+			[ 364.958435, 480.098755 ],
+			[ 378.712036, 464.437744 ],
+			[ 394.378479, 447.203613 ],
+			[ 408.020081, 431.200684 ],
+			[ 417.985138, 418.416443 ],
+			[ 423.832092, 409.490540 ],
+			[ 425.456604, 404.235718 ],
+			[ 424.111786, 403.771423 ]
+		],
+		[
+			[ 402.294189, 510.308167 ],
+			[ 400.398834, 506.515625 ],
+			[ 385.582214, 485.989441 ],
+			[ 372.414917, 468.766296 ],
+			[ 357.018097, 449.706482 ],
+			[ 340.822357, 430.824280 ],
+			[ 327.684692, 414.347839 ],
+			[ 320.264923, 405.382080 ],
+			[ 319.759705, 404.787964 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/x_2.json b/tool/recorder/data/reference/x_2.json
new file mode 100644
index 0000000..9fcfe3d
--- /dev/null
+++ b/tool/recorder/data/reference/x_2.json
@@ -0,0 +1,49 @@
+{
+	"type": "REFERENCE",
+	"value": "x",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 287.733582, 490.984924 ],
+			[ 291.811157, 495.064148 ],
+			[ 296.733917, 499.492432 ],
+			[ 301.380005, 503.077271 ],
+			[ 308.257141, 506.186462 ],
+			[ 318.129669, 507.715149 ],
+			[ 329.797699, 506.722656 ],
+			[ 341.403107, 503.435791 ],
+			[ 350.056366, 498.121155 ],
+			[ 355.779663, 491.693542 ],
+			[ 358.208252, 484.194763 ],
+			[ 356.897369, 469.689758 ],
+			[ 352.464050, 454.444092 ],
+			[ 344.386871, 442.430847 ],
+			[ 332.178528, 431.012878 ],
+			[ 320.722565, 424.319214 ],
+			[ 310.274445, 418.793945 ],
+			[ 303.296600, 416.148376 ],
+			[ 299.549561, 416.694702 ],
+			[ 299.032227, 416.894714 ],
+			[ 298.593689, 417.064270 ]
+		],
+		[
+			[ 408.954681, 519.636658 ],
+			[ 402.878906, 520.311218 ],
+			[ 396.320862, 520.938049 ],
+			[ 387.542603, 517.146667 ],
+			[ 376.780609, 508.186890 ],
+			[ 366.408997, 496.046997 ],
+			[ 357.814697, 481.578003 ],
+			[ 353.279694, 466.985107 ],
+			[ 351.186066, 452.573486 ],
+			[ 352.243713, 441.848877 ],
+			[ 354.275177, 433.139099 ],
+			[ 358.766235, 428.298889 ],
+			[ 365.375763, 426.085510 ],
+			[ 373.942932, 425.895447 ],
+			[ 384.538879, 427.857117 ],
+			[ 393.412170, 435.465149 ],
+			[ 402.235596, 448.512390 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/y_1.json b/tool/recorder/data/reference/y_1.json
new file mode 100644
index 0000000..d90c3f8
--- /dev/null
+++ b/tool/recorder/data/reference/y_1.json
@@ -0,0 +1,34 @@
+{
+	"type": "REFERENCE",
+	"value": "y",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 353.006470, 517.637695 ],
+			[ 359.209290, 506.947754 ],
+			[ 365.191895, 499.933838 ],
+			[ 375.427551, 490.484253 ],
+			[ 391.023132, 474.881714 ],
+			[ 408.480743, 457.920654 ],
+			[ 423.171753, 444.559570 ],
+			[ 435.135254, 434.432129 ],
+			[ 440.464935, 430.422607 ],
+			[ 441.896912, 429.101501 ],
+			[ 441.920868, 429.079407 ]
+		],
+		[
+			[ 475.559662, 513.639771 ],
+			[ 469.741821, 506.515015 ],
+			[ 465.257965, 499.002686 ],
+			[ 457.491333, 484.378845 ],
+			[ 445.725555, 462.732788 ],
+			[ 424.588623, 426.354431 ],
+			[ 404.720856, 393.628601 ],
+			[ 392.071411, 373.781738 ],
+			[ 380.736206, 351.515198 ],
+			[ 374.407623, 332.287720 ],
+			[ 371.786499, 317.698486 ],
+			[ 371.552643, 316.616333 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/y_2.json b/tool/recorder/data/reference/y_2.json
new file mode 100644
index 0000000..8994af6
--- /dev/null
+++ b/tool/recorder/data/reference/y_2.json
@@ -0,0 +1,56 @@
+{
+	"type": "REFERENCE",
+	"value": "y",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 318.371887, 434.347778 ],
+			[ 325.443451, 438.240845 ],
+			[ 331.509583, 446.075439 ],
+			[ 339.398743, 458.778015 ],
+			[ 347.487122, 472.955200 ],
+			[ 356.668060, 487.173462 ],
+			[ 365.595184, 499.192261 ],
+			[ 373.319794, 505.109558 ],
+			[ 379.428680, 503.745056 ],
+			[ 387.736389, 495.444336 ],
+			[ 395.932068, 483.432068 ],
+			[ 403.536041, 472.408691 ],
+			[ 409.810730, 466.375183 ],
+			[ 417.118561, 462.770264 ],
+			[ 424.662323, 461.554077 ],
+			[ 431.810150, 461.371948 ],
+			[ 437.626770, 461.518921 ],
+			[ 442.555573, 462.764587 ],
+			[ 447.607819, 466.627808 ],
+			[ 451.407471, 473.499023 ],
+			[ 453.423615, 480.998779 ],
+			[ 454.570923, 488.888062 ],
+			[ 455.526184, 494.910889 ],
+			[ 456.188171, 498.047363 ],
+			[ 456.754852, 499.913879 ],
+			[ 458.763397, 499.478516 ],
+			[ 463.716553, 488.768250 ],
+			[ 468.971069, 463.697571 ],
+			[ 474.678070, 405.675293 ],
+			[ 474.488007, 338.060425 ],
+			[ 467.415710, 298.752441 ],
+			[ 453.908478, 260.747253 ],
+			[ 436.082886, 229.865051 ],
+			[ 423.067352, 214.494141 ],
+			[ 409.193939, 201.724792 ],
+			[ 397.678375, 192.630798 ],
+			[ 390.980377, 190.469604 ],
+			[ 385.666779, 195.392700 ],
+			[ 383.897614, 210.436096 ],
+			[ 383.935089, 241.722717 ],
+			[ 395.300842, 308.239014 ],
+			[ 418.429260, 349.652100 ],
+			[ 443.787811, 385.109985 ],
+			[ 483.328918, 436.969238 ],
+			[ 506.863495, 467.074524 ],
+			[ 513.355164, 477.408508 ],
+			[ 514.134277, 478.629333 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/z_1.json b/tool/recorder/data/reference/z_1.json
new file mode 100644
index 0000000..873b59a
--- /dev/null
+++ b/tool/recorder/data/reference/z_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "z",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 352.340424, 512.307129 ],
+			[ 362.681305, 510.819397 ],
+			[ 368.297089, 509.101196 ],
+			[ 376.220581, 506.797424 ],
+			[ 384.655701, 505.040405 ],
+			[ 398.558990, 504.941162 ],
+			[ 411.719604, 505.201782 ],
+			[ 421.395355, 505.692322 ],
+			[ 428.871582, 506.490967 ],
+			[ 433.578247, 506.493713 ],
+			[ 436.472809, 505.794678 ],
+			[ 436.230774, 503.216736 ],
+			[ 433.454010, 497.728027 ],
+			[ 423.987549, 488.790222 ],
+			[ 408.537964, 477.486389 ],
+			[ 393.333313, 466.681091 ],
+			[ 379.279480, 456.753601 ],
+			[ 368.933929, 448.288086 ],
+			[ 361.637848, 443.363647 ],
+			[ 357.977753, 440.772095 ],
+			[ 356.211365, 440.152954 ],
+			[ 356.386688, 440.234863 ],
+			[ 359.824982, 440.291626 ],
+			[ 372.973755, 440.501709 ],
+			[ 389.921143, 440.333313 ],
+			[ 406.513123, 440.637268 ],
+			[ 423.130005, 441.673462 ],
+			[ 437.738007, 441.335205 ],
+			[ 449.017120, 440.375549 ],
+			[ 457.267334, 438.552917 ],
+			[ 461.800812, 435.661072 ],
+			[ 461.926453, 435.566711 ],
+			[ 462.245392, 435.327148 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/z_2.json b/tool/recorder/data/reference/z_2.json
new file mode 100644
index 0000000..9236c97
--- /dev/null
+++ b/tool/recorder/data/reference/z_2.json
@@ -0,0 +1,68 @@
+{
+	"type": "REFERENCE",
+	"value": "z",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 313.043488, 413.691833 ],
+			[ 317.464478, 414.429932 ],
+			[ 321.216339, 418.634033 ],
+			[ 326.361969, 424.593628 ],
+			[ 333.134277, 434.776611 ],
+			[ 341.076294, 450.849976 ],
+			[ 348.218475, 470.654785 ],
+			[ 353.274109, 486.194214 ],
+			[ 355.159058, 496.362488 ],
+			[ 355.678436, 503.945007 ],
+			[ 355.072906, 509.629639 ],
+			[ 354.320312, 512.411438 ],
+			[ 353.838440, 514.007751 ],
+			[ 354.184204, 514.069458 ],
+			[ 356.533936, 511.667175 ],
+			[ 360.825897, 506.752869 ],
+			[ 368.076477, 498.534973 ],
+			[ 379.331543, 483.148804 ],
+			[ 388.929352, 465.408508 ],
+			[ 395.204346, 450.687500 ],
+			[ 397.944885, 437.727600 ],
+			[ 398.244232, 427.455200 ],
+			[ 396.629761, 423.401306 ],
+			[ 395.188354, 420.503235 ],
+			[ 394.401550, 418.986816 ],
+			[ 394.753265, 419.664673 ],
+			[ 394.756287, 419.670532 ],
+			[ 396.133911, 420.716980 ],
+			[ 398.879425, 422.513550 ],
+			[ 402.146240, 424.153015 ],
+			[ 406.371002, 425.405212 ],
+			[ 412.188599, 425.315308 ],
+			[ 419.515137, 421.344727 ],
+			[ 427.115021, 408.558533 ],
+			[ 434.457825, 388.029846 ],
+			[ 442.848053, 345.533020 ],
+			[ 441.620392, 308.339966 ],
+			[ 435.663177, 277.500000 ],
+			[ 426.960571, 257.904968 ],
+			[ 409.934998, 223.578308 ],
+			[ 396.244415, 207.712341 ],
+			[ 382.972534, 200.404602 ],
+			[ 372.074463, 196.226624 ],
+			[ 362.829468, 194.984314 ],
+			[ 356.672943, 201.164490 ],
+			[ 351.958252, 210.570068 ],
+			[ 350.278351, 230.330505 ],
+			[ 351.646851, 255.688416 ],
+			[ 356.533325, 295.267517 ],
+			[ 362.069580, 318.465942 ],
+			[ 374.684570, 356.558044 ],
+			[ 387.050018, 385.719910 ],
+			[ 407.040466, 421.378296 ],
+			[ 419.312469, 436.300598 ],
+			[ 429.489349, 444.919739 ],
+			[ 438.349945, 451.760071 ],
+			[ 446.197113, 456.036987 ],
+			[ 447.596710, 457.306152 ],
+			[ 447.872772, 457.491760 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/{_1.json b/tool/recorder/data/reference/{_1.json
new file mode 100644
index 0000000..889f0c3
--- /dev/null
+++ b/tool/recorder/data/reference/{_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "{",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 474.893616, 659.563782 ],
+			[ 470.238281, 659.327881 ],
+			[ 465.339569, 658.758667 ],
+			[ 459.600494, 657.619934 ],
+			[ 452.665924, 654.997559 ],
+			[ 444.295807, 648.516968 ],
+			[ 437.217316, 632.941040 ],
+			[ 433.003052, 616.635559 ],
+			[ 430.121552, 597.403320 ],
+			[ 429.699951, 578.152344 ],
+			[ 429.165527, 561.776367 ],
+			[ 427.473907, 546.036011 ],
+			[ 423.936066, 533.670227 ],
+			[ 418.445892, 525.413452 ],
+			[ 413.129791, 520.650269 ],
+			[ 407.909210, 519.408691 ],
+			[ 405.705566, 520.746094 ],
+			[ 403.738007, 523.140503 ],
+			[ 404.147308, 522.781555 ],
+			[ 405.362823, 522.398682 ],
+			[ 410.036163, 519.747986 ],
+			[ 414.030975, 516.363647 ],
+			[ 420.096252, 510.368103 ],
+			[ 425.343750, 505.124023 ],
+			[ 430.698975, 498.084167 ],
+			[ 435.087677, 489.175964 ],
+			[ 438.813721, 478.372681 ],
+			[ 440.889191, 464.221313 ],
+			[ 442.153687, 451.618103 ],
+			[ 444.209961, 439.148926 ],
+			[ 447.875366, 431.942322 ],
+			[ 453.301483, 421.958557 ],
+			[ 459.008728, 419.191528 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/}_1.json b/tool/recorder/data/reference/}_1.json
new file mode 100644
index 0000000..e8e8d28
--- /dev/null
+++ b/tool/recorder/data/reference/}_1.json
@@ -0,0 +1,53 @@
+{
+	"type": "REFERENCE",
+	"value": "}",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 402.294189, 648.902710 ],
+			[ 409.284302, 654.449463 ],
+			[ 415.082397, 656.880615 ],
+			[ 422.368347, 657.395386 ],
+			[ 429.605530, 655.954041 ],
+			[ 438.390808, 648.616699 ],
+			[ 444.739532, 630.724670 ],
+			[ 448.802277, 612.759888 ],
+			[ 451.277100, 597.151489 ],
+			[ 453.687012, 581.808472 ],
+			[ 456.025269, 565.539673 ],
+			[ 459.553040, 555.297058 ],
+			[ 463.066162, 545.065125 ],
+			[ 468.547852, 535.851440 ],
+			[ 474.137482, 527.408081 ],
+			[ 480.048431, 518.472961 ],
+			[ 485.200104, 513.401367 ],
+			[ 489.196960, 510.834534 ],
+			[ 492.087128, 511.931763 ],
+			[ 493.899628, 513.466125 ],
+			[ 495.925110, 515.105469 ],
+			[ 497.147034, 517.501282 ],
+			[ 498.291687, 521.086243 ],
+			[ 499.358032, 525.332153 ],
+			[ 499.953552, 529.567444 ],
+			[ 500.301392, 532.852600 ],
+			[ 500.221985, 535.895081 ],
+			[ 498.807983, 538.065674 ],
+			[ 497.208405, 538.159119 ],
+			[ 494.556213, 536.615112 ],
+			[ 489.421631, 531.747314 ],
+			[ 484.776886, 525.548462 ],
+			[ 480.163330, 515.841187 ],
+			[ 476.818878, 503.816040 ],
+			[ 473.493042, 485.845703 ],
+			[ 469.477386, 461.591309 ],
+			[ 463.680939, 437.393738 ],
+			[ 455.449524, 412.859497 ],
+			[ 444.468201, 390.083069 ],
+			[ 434.595825, 374.312866 ],
+			[ 425.543304, 364.005066 ],
+			[ 419.003387, 362.400696 ],
+			[ 417.572418, 362.415771 ],
+			[ 417.343323, 362.419434 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/~_1.json b/tool/recorder/data/reference/~_1.json
new file mode 100644
index 0000000..95a6640
--- /dev/null
+++ b/tool/recorder/data/reference/~_1.json
@@ -0,0 +1,27 @@
+{
+	"type": "REFERENCE",
+	"value": "~",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 252.432938, 457.668945 ],
+			[ 257.494843, 458.585815 ],
+			[ 261.148529, 463.902222 ],
+			[ 269.980042, 473.053650 ],
+			[ 281.768433, 481.656616 ],
+			[ 298.181580, 491.171631 ],
+			[ 315.791229, 497.085510 ],
+			[ 331.408295, 496.938904 ],
+			[ 345.351257, 491.698792 ],
+			[ 357.597290, 482.558716 ],
+			[ 368.877533, 472.485229 ],
+			[ 380.941437, 464.835266 ],
+			[ 395.585663, 461.950806 ],
+			[ 410.546539, 465.723145 ],
+			[ 429.219757, 476.691895 ],
+			[ 448.395691, 494.644531 ],
+			[ 454.351685, 499.930359 ],
+			[ 455.531891, 500.977783 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/~_2.json b/tool/recorder/data/reference/~_2.json
new file mode 100644
index 0000000..cfd56df
--- /dev/null
+++ b/tool/recorder/data/reference/~_2.json
@@ -0,0 +1,24 @@
+{
+	"type": "REFERENCE",
+	"value": "~",
+	"sub-id": 2,
+	"data": [
+		[
+			[ 255.097137, 447.674133 ],
+			[ 259.698853, 448.331909 ],
+			[ 267.432922, 456.044617 ],
+			[ 278.771729, 467.770508 ],
+			[ 294.526947, 481.689026 ],
+			[ 314.220673, 498.480652 ],
+			[ 333.703583, 511.160217 ],
+			[ 352.226837, 512.786011 ],
+			[ 368.540100, 505.806885 ],
+			[ 381.795807, 492.545227 ],
+			[ 396.429138, 476.048523 ],
+			[ 409.710785, 464.711792 ],
+			[ 423.509827, 459.869385 ],
+			[ 440.256500, 465.029297 ],
+			[ 458.088898, 480.442383 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/µ_1.json b/tool/recorder/data/reference/µ_1.json
new file mode 100644
index 0000000..4745d3a
--- /dev/null
+++ b/tool/recorder/data/reference/µ_1.json
@@ -0,0 +1,42 @@
+{
+	"type": "REFERENCE",
+	"value": "µ",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 458.908417, 558.283203 ],
+			[ 458.293854, 551.140381 ],
+			[ 458.193970, 538.874207 ],
+			[ 460.572449, 517.898193 ],
+			[ 463.100189, 471.299194 ],
+			[ 464.001312, 427.668396 ],
+			[ 461.828156, 386.209961 ],
+			[ 458.842102, 367.156128 ],
+			[ 450.231201, 336.257324 ],
+			[ 442.662354, 319.785706 ],
+			[ 436.332306, 312.648254 ],
+			[ 429.650757, 304.710327 ],
+			[ 426.037231, 305.105042 ],
+			[ 425.591797, 305.242676 ],
+			[ 425.344208, 305.319153 ]
+		],
+		[
+			[ 482.886230, 437.013000 ],
+			[ 481.332581, 431.573181 ],
+			[ 482.458740, 427.306519 ],
+			[ 484.571503, 426.056519 ],
+			[ 487.097504, 424.656555 ],
+			[ 490.175507, 425.313110 ],
+			[ 494.269623, 428.095886 ],
+			[ 499.773987, 434.838196 ],
+			[ 505.598907, 447.857605 ],
+			[ 510.853333, 464.183411 ],
+			[ 514.876038, 480.558472 ],
+			[ 518.437927, 497.968567 ],
+			[ 519.641846, 514.831726 ],
+			[ 519.046265, 528.917603 ],
+			[ 517.821960, 535.398010 ],
+			[ 517.430298, 538.118896 ]
+		]
+	]
+}
diff --git a/tool/recorder/data/reference/€_1.json b/tool/recorder/data/reference/€_1.json
new file mode 100644
index 0000000..73eaa68
--- /dev/null
+++ b/tool/recorder/data/reference/€_1.json
@@ -0,0 +1,50 @@
+{
+	"type": "REFERENCE",
+	"value": "€",
+	"sub-id": 1,
+	"data": [
+		[
+			[ 388.307129, 632.244690 ],
+			[ 382.359924, 632.988281 ],
+			[ 375.715332, 632.285156 ],
+			[ 366.814362, 631.125122 ],
+			[ 355.662659, 626.599487 ],
+			[ 342.168518, 619.385620 ],
+			[ 327.502075, 608.361572 ],
+			[ 313.096100, 591.889404 ],
+			[ 303.570190, 571.150818 ],
+			[ 294.424744, 538.620972 ],
+			[ 289.423645, 504.988159 ],
+			[ 291.132996, 485.967712 ],
+			[ 297.699280, 464.572876 ],
+			[ 307.594727, 450.629395 ],
+			[ 325.525604, 441.546448 ],
+			[ 345.115479, 440.190552 ],
+			[ 365.560791, 443.495239 ],
+			[ 384.676971, 451.729553 ],
+			[ 392.984070, 457.575989 ],
+			[ 393.664459, 459.805542 ]
+		],
+		[
+			[ 279.740967, 550.953674 ],
+			[ 289.334869, 549.638794 ],
+			[ 301.723480, 549.515503 ],
+			[ 315.491364, 549.480591 ],
+			[ 333.727753, 549.510620 ],
+			[ 348.824402, 549.552368 ],
+			[ 356.555298, 550.788635 ],
+			[ 360.686371, 553.016174 ]
+		],
+		[
+			[ 281.073090, 507.642883 ],
+			[ 285.386902, 502.506348 ],
+			[ 290.413757, 500.841858 ],
+			[ 301.832611, 500.355957 ],
+			[ 316.147919, 501.248962 ],
+			[ 330.864868, 503.163696 ],
+			[ 346.004700, 506.373108 ],
+			[ 354.222839, 508.001160 ],
+			[ 356.048035, 508.508484 ]
+		]
+	]
+}
diff --git a/tool/recorder/lutin_dollar-recorder.py b/tool/recorder/lutin_dollar-recorder.py
new file mode 100644
index 0000000..43cf25e
--- /dev/null
+++ b/tool/recorder/lutin_dollar-recorder.py
@@ -0,0 +1,62 @@
+#!/usr/bin/python
+import lutin.module as module
+import lutin.tools as tools
+import os
+
+def get_type():
+	return "BINARY"
+
+def get_sub_type():
+	return "TOOL"
+
+def get_desc():
+	return "LGDT tools: Handwriting recorder"
+
+def get_licence():
+	return "PROPRIETARY"
+
+def get_compagny_type():
+	return "com"
+
+def get_compagny_name():
+	return "Edouard DUPIN"
+
+def get_maintainer():
+	return ["Mr DUPIN Edouard <yui.heero@gmail.com>"]
+
+def get_version():
+	return [0,1]
+
+def create(target, module_name):
+	my_module = module.Module(__file__, module_name, get_type())
+	my_module.add_src_file([
+	    'appl/Main.cpp',
+	    'appl/debug.cpp',
+	    'appl/Windows.cpp',
+	    'appl/widget/TextAreaRecognition.cpp',
+	    ])
+	my_module.add_module_depend([
+	    'ewol',
+	    'ejson',
+	    'esvg',
+	    'dollar',
+	    #'dollar-data'
+	    ])
+	my_module.compile_flags('c++', [
+	    "-DPROJECT_NAME=\"\\\"" + my_module.name + "\\\"\"",
+	    "-DAPPL_VERSION=\"\\\"" + tools.version_to_string(get_version()) + "\\\"\""
+	    ])
+	my_module.add_path(tools.get_current_path(__file__))
+	my_module.pkg_set("VERSION_CODE", 1)
+	my_module.pkg_add("RIGHT", "WRITE_EXTERNAL_STORAGE")
+	
+	my_module.copy_path('data/icon.*','')
+	my_module.copy_path("data/freefont/*","fonts/")
+	my_module.copy_path('data/reference/*', "reference")
+	
+	my_module.pkg_set("ICON", os.path.join(tools.get_current_path(__file__), "data/icon.png"))
+	return my_module
+
+
+
+