绘制几个月饼(matplotlb)
中秋节到了画月饼。月饼由折线组成的,一共有5条折线组成的,用matplotlib绘制的
import matplotlib.pyplot as plt import numpy as np import math R = 50.0 r = 30.0 def drawMoonCake(plt,cx = 0.0,cy = 0.0,R = 50.0,r=30.0,h=20.0,segn = 36): dsi = math.pi / segn xv = [] yv = [] for i in range(segn+1): si = i*dsi x = R*math.cos(si) y = r*math.sin(si) xv.append(x+cx) yv.append(y+cy) plt.plot(xv,yv) xv = [] yv = [] for i in range(segn+1): si = i*dsi x = R*math.cos(si) y = -r*math.sin(si) xv.append(x+cx) yv.append(y+cy) plt.plot(xv,yv) xv = [] yv = [] for i in range(segn+1): si = i*dsi x = R*math.cos(si) y = -r*math.sin(si)-h xv.append(x+cx) yv.append(y+cy) plt.plot(xv,yv) xv = [-R+cx, -R+cx] yv = [0.0+cy,-h+cy] plt.plot(xv,yv) xv = [R+cx, R+cx] yv = [0.0+cy,-h+cy] plt.plot(xv,yv) drawMoonCake(plt, 0.0, 0.0) drawMoonCake(plt, 0.0, -100.0) drawMoonCake(plt, 120.0, -100.0) drawMoonCake(plt, 0.0, -200.0) drawMoonCake(plt, 120.0, -200.0) drawMoonCake(plt, 240.0, -200.0) plt.show()