【opencv练习04-常用项の输出】

    //1、2D Point    Point2f P2f(5,1);    cout<<"Point (2D) = "<<P2f<<endl<<endl;    //2、3D Point    Point3f P3f(2,6,7);    cout<<"Point (3D) = "<<P3f<<endl<<endl;    //3、通过Mat输出std::vector    vector<float> v;    v.push_back((float)CV_PI);    v.push_back(2);    v.push_back(3.01f);    cout<<"Vector of float via Mat = "<<endl<<Mat(v)<<endl<<endl;    //4、点的向量 Point的vector    vector<Point2f> vPoints(20);    for(size_t i = 0; i<vPoints.size(); ++i)        vPoints[i] = Point2f((float)(i*2), (float)(i % 8));    cout<<"2D点的向量 = "<<endl<<vPoints<<endl<<endl;