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#!/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();