From 69f1ee87323fee090178e27a6330e40094e97794 Mon Sep 17 00:00:00 2001
From: edgarriba <edgar.riba@gmail.com>
Date: Wed, 30 Jul 2014 13:08:19 +0200
Subject: [PATCH] Code tutorial

---
 .../src/CsvWriter.cpp                         | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/CsvWriter.cpp

diff --git a/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/CsvWriter.cpp b/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/CsvWriter.cpp
new file mode 100644
index 000000000..c8dc9449d
--- /dev/null
+++ b/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/CsvWriter.cpp
@@ -0,0 +1,50 @@
+#include <boost/lexical_cast.hpp>
+#include "CsvWriter.h"
+
+CsvWriter::CsvWriter(const std::string &path, const std::string &separator){
+  _file.open(path.c_str(), std::ofstream::out);
+  _isFirstTerm = true;
+  _separator = separator;
+}
+
+CsvWriter::~CsvWriter() {
+  _file.flush();
+  _file.close();
+}
+
+void CsvWriter::writeXYZ(const std::vector<cv::Point3f> &list_points3d)
+{
+  std::string x, y, z;
+  for(unsigned int i = 0; i < list_points3d.size(); ++i)
+  {
+    x = boost::lexical_cast< std::string >(list_points3d[i].x);
+    y = boost::lexical_cast< std::string >(list_points3d[i].y);
+    z = boost::lexical_cast< std::string >(list_points3d[i].z);
+
+    _file << x << _separator << y << _separator << z << std::endl;
+  }
+
+}
+
+void CsvWriter::writeUVXYZ(const std::vector<cv::Point3f> &list_points3d, const std::vector<cv::Point2f> &list_points2d, const cv::Mat &descriptors)
+{
+  std::string u, v, x, y, z, descriptor_str;
+  for(int i = 0; i < list_points3d.size(); ++i)
+  {
+    u = boost::lexical_cast< std::string >(list_points2d[i].x);
+    v = boost::lexical_cast< std::string >(list_points2d[i].y);
+    x = boost::lexical_cast< std::string >(list_points3d[i].x);
+    y = boost::lexical_cast< std::string >(list_points3d[i].y);
+    z = boost::lexical_cast< std::string >(list_points3d[i].z);
+
+    _file << u << _separator << v << _separator << x << _separator << y << _separator << z;
+
+    for(int j = 0; j < 32; ++j)
+    {
+      std::cout << descriptors.at<float>(i,j) << std::endl;
+      descriptor_str = boost::lexical_cast< std::string >(descriptors.at<float>(i,j));
+      _file << _separator << descriptor_str;
+    }
+    _file << std::endl;
+  }
+}