def draw(self) -> None: print("Drawing a circle") class Square: def draw(self) -> None: print("Drawing a square") display([Circle(), Square()]) 运行上述代码会依次打印“Drawing a circle”和“Drawing a square”,证明了Circle和Square尽管没有直接实现Drawable协议,但由于它们都定义了draw方法,...
import pygame from pygame.locals import * def DrawCircle(screen): BLUE = (0, 0, 255) position = 300,250 radius = 100 width = 10 pygame.draw.circle( screen, BLUE, position, radius, width ) def main(): pygame.init() pygame.display.set_caption('Draw circle') screen = pygame.display...
方法一:使用 matplotlib.patches.Circle() 函数。 Matplotlib 有一个特殊的函数 matplotlib.patches.Circle() 来绘制圆圈。 语法:class matplotlib.patches.Circle(xy, radius=5, **kwargs) 示例1:使用 matplotlib.patches.Circle() 绘制彩色圆圈 Python3实现 # Demonstrating use of matplotlib.patches.Circle() func...
# Draw a white circle at the centercentre_circle = plt.Circle((0, 0), 0.70, fc='white')fig = plt.gcf()fig.gca().add_artist(centre_circle)plt.show() 想了解更多 赶紧扫码关注python科研绘图9 python科研绘图 · 目录 上一篇python科研绘图:帕累托图(Pareto ...
Circle类表示圆形,并包含一个属性radius以及一个方法draw()。 UserInput类用于从用户那里获取输入半径。 运行步骤 要运行上述代码,请遵循以下步骤: 将代码粘贴到您的Python IDE或文本编辑器中,保存为draw_circle.py。 在命令行中运行以下命令: python draw_circle.py ...
17 #draw a filled circle 18 pygame.draw.circle(background, (0, 0, 255), (400, 50), 45) 19 20 #draw an arc 21 pygame.draw.arc(background, (0, 0, 0), ((5, 150), (100, 200)), 0, math.pi/2, 5) 22 23 #draw an ellipse ...
We now have a blank image (like a canvass) in which we can now draw our circle. Next, we use the cv2.circle() function to create our circle on this white blank image. The first parameter that we must feed into the cv2.circle() function is the image we want to draw it on. We ...
def drawCircle(r, x, y, color):# 设置画笔起始位置 turtle.up()turtle.goto(x, y)turtle.down()turtle.color(color) # 设置画笔的颜色 # 绘制半径为r的圆，并填充颜色 turtle.begin_fill()turtle.circle(r)turtle.end_fill()drawCircle(200, 0, -200, "red") # 绘制最外面的圆 drawCircle(15...
turtle.penup()# 画好一个圆,右移一个直径的距离turtle.fd(2* radius)if__name__ =="__main__":# 等边三角形边长length =50# 圆半径radius =50# 圆的层数floors =6# 画一个等边三角形draw_a_isoscelestriangle(length) draw_a_isoscelestriangle_by_circle(floors, radius) ...
circle(image, circle_coordinates, radius, colour, thickness) cv2.imshow("image", img_with_circle) cv2.waitKey(0) After you have the image, you have to specify where you want to draw a circle on that image with the help of x and y coordinates as (400,250). The first value, 400,...