X-Git-Url: http://git.maemo.org/git/?p=opencv;a=blobdiff_plain;f=samples%2Foctave%2Flogpolar.m;fp=samples%2Foctave%2Flogpolar.m;h=579f61c93615b08c74088a2d6ce51a84df71feb1;hp=0000000000000000000000000000000000000000;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hpb=454138ff8a20f6edb9b65a910101403d8b520643 diff --git a/samples/octave/logpolar.m b/samples/octave/logpolar.m new file mode 100644 index 0000000..579f61c --- /dev/null +++ b/samples/octave/logpolar.m @@ -0,0 +1,50 @@ +#! /usr/bin/env octave +cv; +highgui; + +global g; +g.src=[]; +g.dst=[]; +g.src2=[]; + +function on_mouse( event, x, y, flags, param ) + global g; + global cv; + global highgui; + + if(!swig_this(g.src) ) + return; + endif + + if (event==highgui.CV_EVENT_LBUTTONDOWN) + cvLogPolar( g.src, g.dst, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS ); + cvLogPolar( g.dst, g.src2, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS+cv.CV_WARP_INVERSE_MAP ); + cvShowImage( "log-polar", g.dst ); + cvShowImage( "inverse log-polar", g.src2 ); + endif +endfunction + +filename = "../c/fruits.jpg" +if (size(argv, 1)>1) + filename=argv(){1}; +endif + +g.src = cvLoadImage(filename,1); +if (!swig_this(g.src)) + printf("Could not open %s",filename); + exit(-1) +endif + +cvNamedWindow( "original",1 ); +cvNamedWindow( "log-polar", 1 ); +cvNamedWindow( "inverse log-polar", 1 ); + + +g.dst = cvCreateImage( cvSize(256,256), 8, 3 ); +g.src2 = cvCreateImage( cvGetSize(g.src), 8, 3 ); + +cvSetMouseCallback( "original", @on_mouse ); +on_mouse( CV_EVENT_LBUTTONDOWN, g.src.width/2, g.src.height/2, [], []); + +cvShowImage( "original", g.src ); +cvWaitKey();