"atomic bomb" commit. Reorganized OpenCV directory structure

samples/python/convexhull.py

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+#! /usr/bin/env python
+
+print "OpenCV Python version of convexhull"
+
+# import the necessary things for OpenCV
+import cv
+
+# to generate random values
+import random
+
+# how many points we want at max
+_MAX_POINTS = 100
+
+if __name__ == '__main__':
+
+    # main object to get random values from
+    my_random = random.Random ()
+
+    # create the image where we want to display results
+    image = cv.CreateImage ( (500, 500), 8, 3)
+
+    # create the window to put the image in
+    cv.NamedWindow ('hull', cv.CV_WINDOW_AUTOSIZE)
+
+    while True:
+        # do forever
+
+        # get a random number of points
+        count = my_random.randrange (0, _MAX_POINTS) + 1
+
+        # initialisations
+        points = []
+        
+        for i in range (count):
+            # generate a random point
+            points.append ( (
+                my_random.randrange (0, image.width / 2) + image.width / 4,
+                my_random.randrange (0, image.width / 2) + image.width / 4
+                ))
+
+        # compute the convex hull
+        storage = cv.CreateMemStorage(0)
+        hull = cv.ConvexHull2 (points, storage, cv.CV_CLOCKWISE, 1)
+
+        # start with an empty image
+        cv.SetZero (image)
+
+        # draw all the points as circles in red
+        for i in range (count):
+            cv.Circle (image, points [i], 2,
+                          (0, 0, 255, 0),
+                         cv.CV_FILLED, cv.CV_AA, 0)
+
+        # Draw the convex hull as a closed polyline in green
+        cv.PolyLine(image, [hull], 1, cv.RGB(0,255,0), 1, cv.CV_AA)
+
+        # display the final image
+        cv.ShowImage ('hull', image)
+
+        # handle events, and wait a key pressed
+        k = cv.WaitKey (0) % 0x100
+        if k == 27:
+            # user has press the ESC key, so exit
+            break