color=(0,255,255)#黄色 cv2.circle(img,center, radius, color,5)#线条 center=(200,200) cv2.circle(img,center, radius, color, -1)#填充 cv2.imshow('img',img) cv2.waitKey() 运行结果: 3、方形 cv2.rectangle()用来画方形,包括长方形和正方形。 第1个参数为图像对象; 第2个参数为方形左上角...
forptinpts: pygame.draw.circle(screen,(0,0,0),(int(pt[0]),int(pt[1])),size) defdraw_lines(lines,clear=True,size=1): if(clear): clear_screen() forlineinlines: pygame.draw.line(screen,(0,0,0),(int(line[0][0]),int(line[0][1])),(int(line[1][0]),int(line[1][1])...
Here is the code: ```python import turtle import random # 设置画笔 t = turtle.Turtle() t.speed(0) t.hideturtle() t.penup() t.goto(0, -200) t.pendown() # 定义函数绘制正多边形 def draw_polygon(num_sides, radius): for i in range(num_sides): t.forward(radius) t.right(360 /...
Judge Route Circle 657. Judge Route Circle (判断路线) 657. Judge Route Circle (判断路线) 1. 题目翻译 2. 解题方法 3. 代码 1. 题目翻译 一开始,一个机器人处在原点,给定一个字符串代表它行走的方向,判断是否能走回原点。L,R分别代表向左走向右走。U,D分别代表向前走向后走。 例子: 2. 解题...
One of the four line segment endpoints is considered the "active" endpoint, indicated by a small red circle. To change which endpoint is "active," press 0,1,2, or 3. To change the location of the "active" endpoint, click in the Pygame window's drawing area with the mouse. To quit...
pen.circle(-90, 200) pen.forward(180) pen.end_fill() pen.hideturtle() s.mainloop() The final image should look like this: Coding shapes like a heart using Python's Turtle library is a fun and engaging way to learn programming concepts. With just a few lines of code, we were able...
Image Polygonal Annotation with Python (polygon, rectangle, circle, line, point and image-level flag annotation). - cardboardcode/labelme
A comprehensive resource for learning and implementing algorithms and data structures. This repository includes detailed notes, complexity analysis, and code examples in C++, Java, Python, and more. Ideal for students, professionals, and those preparing
(0, 0, 400, 300)); //Drawing a rectangle with some big border g.DrawRectangle(new Pen(Color.Red, 4f), new Rectangle(10, 10, 380, 280)); //Let's create another rectangle for our circle //(circle is a special ellipse with width = height) var circle = new Rectangle(15, 15, ...
原文链接:http://www.juzicode.com/opencv-python-line-circle-rectangle 因为绘图操作需要用到起点、终点坐标等参数,绘图前需要先了解在OpenCV中图像像素位置的坐标表示方法。一般我们用的直角坐标系x轴向右增长,y轴向上增长,但是在OpenCV图像中,y却是向下增长的,也就说一张图片左上角顶点的坐标为(0,0),这样的处...