XML和YAML文件的读取
//-----------------------------------【ShowHelpText( )函数】----------------------------------// 描述：输出一些帮助信息
//----------------------------------------------------------------------------------------------
void ShowHelpText()
{
//输出欢迎信息和OpenCV版本
printf("\n\n\t\t\t非常感谢购买《OpenCV3编程入门》一书！\n");
printf("\n\n\t\t\t此为本书OpenCV2版的第30个配套示例程序\n");
printf("\n\n\t\t\t 当前使用的OpenCV版本为：" CV_VERSION );
printf("\n\n ----------------------------------------------------------------------------\n\n");
}
int main( )
{
//改变console字体颜色
system("color 6F");
ShowHelpText();
//初始化
FileStorage fs2("test.yaml",FileStorage::READ);
// 第一种方法，对FileNode操作
int frameCount = (int)fs2["frameCount"];
std::string date;
// 第二种方法，使用FileNode运算符> >
fs2["calibrationDate"] >> date;
Mat cameraMatrix2,distCoeffs2;
fs2["cameraMatrix"] >> cameraMatrix2;
fs2["distCoeffs"] >> distCoeffs2;
cout << "frameCount: " << frameCount << endl
<< "calibration date: " << date << endl
<< "camera matrix: " << cameraMatrix2 << endl
<< "distortion coeffs: " << distCoeffs2 << endl;
FileNode features = fs2["features"];
FileNodeIterator it = features.begin(),it_end = features.end();
int idx = 0;
std::vector<uchar> lbpval;
//使用FileNodeIterator遍历序列
for( ; it != it_end; ++it,idx++ )
{
cout << "feature #" << idx << ": ";
cout << "x=" << (int)(*it)["x"] << ",y=" << (int)(*it)["y"] << ",lbp: (";
// 我们也可以使用使用filenode > > std::vector操作符很容易的读数值阵列
(*it)["lbp"] >> lbpval;
for( int i = 0; i < (int)lbpval.size(); i++ )
cout << " " << (int)lbpval[i];
cout << ")" << endl;
}
fs2.release();
//程序结束，输出一些帮助文字
printf("\n文件读取完毕，请输入任意键结束程序~");
getchar();
return 0;
}
