<!-- manual page source format generated by PolyglotMan v3.2, --> <!-- available at http://polyglotman.sourceforge.net/ --> <html> <head> <title>IM_MAXPOS_VEC(3) manual page</title> </head> <body bgcolor='white'> <a href='#toc'>Table of Contents</a><p> <h2><a name='sect0' href='#toc0'>Name</a></h2> im_maxpos_vec, im_minpos_vec - Find highest or lowest pixel values<br> <h2><a name='sect1' href='#toc1'>Synopsis</a></h2> <br> <pre>#include <vips/vips.h> int im_maxpos_vec( IMAGE *im, int *xpos, int *ypos, double *maxima, int n ); int im_minpos_vec( IMAGE *im, int *xpos, int *ypos, double *minima, int n );</pre> <h2><a name='sect2' href='#toc2'></b>Description</a></h2> <a href='im_maxpos_vec.3.html'><b>im_maxpos_vec(3)</b></a> fills the arrays <i>xpos</i> and <i>ypos</i> with the x and y coordinates of the <i>n</i> pixels in the image <i>im</i> which have the highest values. It writes those values (at double-precsion) into the corresponding elements in the array <i>maxima</i>. <p> If there is a draw for the <i>n</i>th pixel, then which of the drawing pixels is used is not defined. <p> <a href='im_minpos_vec.3.html'><b>im_minpos_vec(3)</b></a> performs the same operation, looking for the lowest valued pixels. <h2><a name='sect3' href='#toc3'>Return Value</a></h2> The functions returns 0 on success and -1 on error. <h2><a name='sect4' href='#toc4'>See Also</a></h2> <a href='im_maxpos.3.html'>im_maxpos(3)</a> , <a href='im_minpos.3.html'>im_minpos(3)</a> <h2><a name='sect5' href='#toc5'>Copyright</a></h2> <br> Copyright 2006, The Nottingham Trent University. Copyright 2006, Tom Vajzovic. <h2><a name='sect6' href='#toc6'>Author</a></h2> Tom Vajzovic <p> <p> <hr><p> <a name='toc'><b>Table of Contents</b></a><p> <ul> <li><a name='toc0' href='#sect0'>Name</a></li> <li><a name='toc1' href='#sect1'>Synopsis</a></li> <li><a name='toc2' href='#sect2'>Description</a></li> <li><a name='toc3' href='#sect3'>Return Value</a></li> <li><a name='toc4' href='#sect4'>See Also</a></li> <li><a name='toc5' href='#sect5'>Copyright</a></li> <li><a name='toc6' href='#sect6'>Author</a></li> </ul> </body> </html>
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