"atomic bomb" commit. Reorganized OpenCV directory structure

samples/python/laplace.py

@@ -0,0 +1,45 @@
+#!/usr/bin/python
+import urllib2
+import cv
+import sys
+
+if __name__ == "__main__":
+    laplace = None
+    colorlaplace = None
+    planes = [ None, None, None ]
+    capture = None
+    
+    if len(sys.argv) == 1:
+        capture = cv.CreateCameraCapture(0)
+    elif len(sys.argv) == 2 and sys.argv[1].isdigit():
+        capture = cv.CreateCameraCapture(int(sys.argv[1]))
+    elif len(sys.argv) == 2:
+        capture = cv.CreateFileCapture(sys.argv[1]) 
+
+    if not capture:
+        print "Could not initialize capturing..."
+        sys.exit(-1)
+        
+    cv.NamedWindow("Laplacian", 1)
+
+    while True:
+        frame = cv.QueryFrame(capture)
+        if frame:
+            if not laplace:
+                planes = [cv.CreateImage((frame.width, frame.height), 8, 1) for i in range(3)]
+                laplace = cv.CreateImage((frame.width, frame.height), cv.IPL_DEPTH_16S, 1)
+                colorlaplace = cv.CreateImage((frame.width, frame.height), 8, 3)
+
+            cv.Split(frame, planes[0], planes[1], planes[2], None)
+            for plane in planes:
+                cv.Laplace(plane, laplace, 3)
+                cv.ConvertScaleAbs(laplace, plane, 1, 0)
+
+            cv.Merge(planes[0], planes[1], planes[2], None, colorlaplace)
+
+            cv.ShowImage("Laplacian", colorlaplace)
+
+        if cv.WaitKey(10) != -1:
+            break
+
+    cv.DestroyWindow("Laplacian")