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/* * ===================================================================================== * *       Filename:  array1.c * *    Description:  To show how to set and get a Array * *        Version:  1.0 *        Created:  01/08/2009 09:17:17 PM *       Revision:  none *       Compiler:  gcc * *         Author:  Futuredaemon (BUPT), gnuhpc@gmail.com *        Company:  BUPT_UNITED * * ===================================================================================== */#pragma comment( lib, "cxcore.lib" )#include "cv.h"#include 
     
      int main(){  CvMat* mat = cvCreateMat(3,3,CV_32FC1);  cvZero(mat);//将矩阵置0//为矩阵元素赋值  CV_MAT_ELEM( *mat, float, 0, 0 ) = 1.f;  CV_MAT_ELEM( *mat, float, 0, 1 ) = 2.f;  CV_MAT_ELEM( *mat, float, 0, 2 ) = 3.f;  CV_MAT_ELEM( *mat, float, 1, 0 ) = 4.f;  CV_MAT_ELEM( *mat, float, 1, 1 ) = 5.f;  CV_MAT_ELEM( *mat, float, 1, 2 ) = 6.f;  CV_MAT_ELEM( *mat, float, 2, 0 ) = 7.f;  CV_MAT_ELEM( *mat, float, 2, 1 ) = 8.f;  CV_MAT_ELEM( *mat, float, 2, 2 ) = 9.f;//获得矩阵元素(0,2)的值  float *p = (float*)cvPtr2D(mat, 0, 2);  printf("%f/n",*p);    return 0;}
     

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