5-5.cpp

基于OpenCV的计算机视觉技术实现.rar

//
/*

#include "cxcore.h"
#include <iostream.h>

void main()
  {
	 int a = 1;				//待写入的整形数据
	 float b = 2.;				//待写入的浮点型数据
	 double c[] = {4.5,6.7,8.9};		//待写入的数组

	 CvMat* mat = cvCreateMat( 3, 3, CV_32SC1);//待写入的矩阵数据类型	
	 cvSetIdentity(mat);

	 //打开文件存储器，指定待写入的文件是当前目录下的test.xml文件
	 CvFileStorage* fs = cvOpenFileStorage("test.xml",0,CV_STORAGE_WRITE);

	 //cvWriteInt(fs,"a",a);
	 //cvWriteReal(fs,"b",b);

	//--------cvWriteComment写入注释语句-------------------

	cvWriteComment( fs, "writing_data", 1 );	// 注释最好用英文，中文虽然能写入但是读取的时候会出错

	 
cvStartWriteStruct(fs,"My_Data",CV_NODE_MAP,0,cvAttrList(0,0));


	//写入数组c，它的标记是"c"
	 cvStartWriteStruct(fs,"c",CV_NODE_SEQ,0,cvAttrList(0,0));

	 cvWriteRawData(fs,c,3,"d");

	 cvEndWriteStruct(fs);

	//写入CvMat* mat单位矩阵
	 cvWrite( fs, "Identity_Mat", mat, cvAttrList(NULL,NULL) );


	cvStartWriteStruct(fs,"CV_NODE_MAP",CV_NODE_MAP,0,cvAttrList(0,0));
		
		//写入整型数据a 它的标记是"a"
		cvWriteInt(fs,"a",a);

		//写入浮点型数据b 它的标记是"b"
		cvWriteReal(fs,"b",b);	//这个是不能放到startWriteStruct 与 endWriteStruct之间的

		//再次写入数组c，注意cvWriteRawData的写入要在cvStartWriteStruct和cvEndWriteStruct之间
		cvStartWriteStruct(fs,"c",CV_NODE_SEQ,0,cvAttrList(0,0));

		cvWriteRawData(fs,c,3,"d");

		cvEndWriteStruct(fs);


	cvEndWriteStruct(fs);


cvEndWriteStruct(fs);

	 cvReleaseFileStorage(&fs);	//释放文件存储器，不能缺少，不然数据写入完整
	  cvReleaseMat(&mat);


}


//*/