--- /dev/null
+#!/usr/bin/python
+import sys
+from opencv.cv import *
+from opencv.highgui import *
+
+src=None
+dst=None
+src2=None
+
+def on_mouse( event, x, y, flags, param ):
+
+ if( not src ):
+ return;
+
+ if event==CV_EVENT_LBUTTONDOWN:
+ cvLogPolar( src, dst, cvPoint2D32f(x,y), 40, CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS );
+ cvLogPolar( dst, src2, cvPoint2D32f(x,y), 40, CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS+CV_WARP_INVERSE_MAP );
+ cvShowImage( "log-polar", dst );
+ cvShowImage( "inverse log-polar", src2 );
+
+if __name__ == "__main__":
+
+ filename = "../c/fruits.jpg"
+ if len(sys.argv)>1:
+ filename=argv[1]
+
+ src = cvLoadImage(filename,1)
+ if not src:
+ print "Could not open %s" % filename
+ sys.exit(-1)
+
+ cvNamedWindow( "original",1 );
+ cvNamedWindow( "log-polar", 1 );
+ cvNamedWindow( "inverse log-polar", 1 );
+
+
+ dst = cvCreateImage( cvSize(256,256), 8, 3 );
+ src2 = cvCreateImage( cvGetSize(src), 8, 3 );
+
+ cvSetMouseCallback( "original", on_mouse );
+ on_mouse( CV_EVENT_LBUTTONDOWN, src.width/2, src.height/2, None, None)
+
+ cvShowImage( "original", src );
+ cvWaitKey();