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