各位小伙伴，好久不见，今天学习用Python绘制花束。
有一种爱，不求回报，有一种情，无私奉献，这就是母爱。祝天下妈妈节日快乐，幸福永远！
图形展示：
代码展示：
import matplotlib.pyplot as pltimport numpy as npfrom matplotlib.colors import LinearSegmentedColormap as lscfrom scipy.spatial.transform import Rotation as R# @author : slandarer# 生成花朵数据t1 = np.array(range(25))/24t2 = np.arange(0, 575.5, 0.5)/575*20*np.pi + 4*np.pi[xr, tr] = np.meshgrid(t1, t2)pr = (np.pi/2)*np.exp(-tr/(8*np.pi))ur = 1 - (1 - np.mod(3.6*tr, 2*np.pi)/np.pi)**4/2 + np.sin(15*tr)/150 + np.sin(15*tr)/150yr = 2*(xr**2 - xr)**2*np.sin(pr)rr = ur*(xr*np.sin(pr) + yr*np.cos(pr))hr = ur*(xr*np.cos(pr) - yr*np.sin(pr))tb = np.resize(np.linspace(0, 2, 151), (1,151))rb = np.resize(np.linspace(0, 1, 101), (101,1)) @ ((abs((1-np.mod(tb*5,2))))/2 + .3)/2.5xb = rb*np.cos(tb*np.pi)yb = rb*np.sin(tb*np.pi)hb = np.power(-np.cos(rb*1.2*np.pi)+1, .2)cL = np.array([[.33,.33,.69], [.68,.42,.63], [.78,.42,.57], [.96,.73,.44]])cL = np.array([[.02,.04,.39], [.02,.06,.69], [.01,.26,.99], [.17,.69,1]])cMpr = lsc.from_list('slandarer', cL)cMpb = lsc.from_list('slandarer', cL*.4 + .6)# 绕轴旋转数据点def rT(X, Y, Z, T): SZ = X.shape XYZ = np.hstack((X.reshape(-1, 1), Y.reshape(-1, 1), Z.reshape(-1, 1))) RMat = R.from_euler('xyz', T, degrees = True); XYZ = RMat.apply(XYZ) return XYZ[:,0].reshape(SZ), XYZ[:,1].reshape(SZ), XYZ[:,2].reshape(SZ)# 贝塞尔函数插值生成花杆并绘制def dS(X, Y, Z): MN = np.where(Z == np.min(Z)); M = MN[0][0]; N = MN[1][0] x1 = X[M, N]; y1 = Y[M, N]; z1 = Z[M, N] + .03 x = np.array([x1, 0, (x1*np.cos(np.pi/3) - y1*np.sin(np.pi/3))/3]).reshape((3,1)) y = np.array([y1, 0, (y1*np.cos(np.pi/3) + x1*np.sin(np.pi/3))/3]).reshape((3,1)) z = np.array([z1, -.7, -1.5]).reshape((3,1)) P = np.hstack((x,y,z)).T t = (np.array(range(50)) + 1)/50 c1 = np.array([1, 2, 1]).reshape(3,1) c2 = np.power(t, np.array(range(3)).reshape(3,1)) c3 = np.power(1 - t, np.array(range(2, -1, -1)).reshape(3,1)) P = (P @ (c1*c2*c3)) ax.plot(P[0], P[1], P[2], color = '#800080')# 创建figure窗口及axis坐标区域fig = plt.figure()ax = fig.add_subplot(111, projection='3d')# 绘制花束ax.plot_surface(rr*np.cos(tr), rr*np.sin(tr), hr + .35, rstride = 1, cstride = 1, facecolors = cMpr(hr), antialiased = True, shade = False)U, V, W = rT(rr*np.cos(tr), rr*np.sin(tr), hr + .35, [180/8, 0, 0]); V = V - .4for i in range(5): U, V, W = rT(U, V, W, [0, 0, 72]) ax.plot_surface(U, V, W - .1, rstride = 1, cstride = 1, facecolors = cMpr(hr), antialiased = True, shade = False) dS(U, V, W - .1)u1, v1, w1=rT(xb, yb, hb/2.5 + .32, [180/9, 0, 0])v1 = v1 - 1.35u2, v2, w2 = rT(u1, v1, w1, [0, 0, 36])u3, v3, w3 = rT(u1, v1, w1, [0, 0, 24])u4, v4, w4 = rT(u3, v3, w3, [0, 0, 24])for i in range(5): u1, v1, w1 = rT(u1, v1, w1, [0, 0, 72]) u2, v2, w2 = rT(u2, v2, w2, [0, 0, 72]) u3, v3, w3 = rT(u3, v3, w3, [0, 0, 72]) u4, v4, w4 = rT(u4, v4, w4, [0, 0, 72]) ax.plot_surface(u1, v1, w1, rstride = 1, cstride = 1, facecolors = cMpb(hb), antialiased = True, shade = False) ax.plot_surface(u2, v2, w2, rstride = 1, cstride = 1, facecolors = cMpb(hb), antialiased = True, shade = False) ax.plot_surface(u3, v3, w3, rstride = 1, cstride = 1, facecolors = cMpb(hb), antialiased = True, shade = False) ax.plot_surface(u4, v4, w4, rstride = 1, cstride = 1, facecolors = cMpb(hb), antialiased = True, shade = False) dS(u1, v1, w1) dS(u2, v2, w2) dS(u3, v3, w3) dS(u4, v4, w4)ax.set_position((-.215, -.3, 1.43, 1.43))ax.set_box_aspect((1, 1, .8))ax.view_init(elev = 50, azim = 2)ax.axis('off')plt.show()参考文献：
作者slandarer
网址：https://mp.weixin.qq.com/s/a3QukoBQhoK46aY8ZinBrQ