opencv Mat 86

#include<iostream>

#include<opencv2/opencv.hpp>

#include<opencv2/highgui/highgui.hpp>

using namespace std;

using namespace cv;

int main()

{

Mat a;

//1，定义二维点

Point2f p(6, 2);

cout << "二维点：" << p << endl;

//2, 定义三维点

Point3f p1(6, 2, 1);

cout << "三维点:" << p1 << endl;

//定义和输出存放点的vector容器

vector<Point2f> p2(20);

for (size_t i = 0; i < p2.size(); i++)

{

p2[i] = Point2f((float)(i * 5), (float)(i % 7));

cout << "二维点向量p2" << p2[i] << endl;

}

//4.2.1 点的表示Point

//4.2.2 颜色的表示

Scalar(0, 1, 2);//bgr

//4.2.3 尺寸的表示

Size(5, 5);//width,height

//4.2.4 矩形类的表示

//x,y,width,height,左上角的坐标，矩形的宽高

//4.2.5 颜色空间转换

//cvtColor();

//4.3 基本图形的绘制

Mat a1 = Mat::zeros(700, 700, CV_8UC3);

Point aa1(0, 0);

Point aa2(699, 699);

imshow("a1", a1);

system("pause");

}