python画花瓣图案

frommpl_toolkits.mplot3d import Axes3Dfrommatplotlib import cmfrommatplotlib.ticker import LinearLocatorfrommatplotlib.font_manager import FontProperties

font= FontProperties(fname=r"c:windowsfontssimsun.ttc", size=14)

import matplotlib.pyplotasplt

import numpyasnp

fig=plt.figure()

ax= fig.gca(projection='3d')

[x , t]= np.meshgrid(np.array(range(25))/24.0,np.arange(0, 575.5,0.5)/575*17*np.pi - 2*np.pi)

p= np.pi/2 * np.exp(-t/(8*np.pi))

u= 1 - (1 - np.mod(3.6*t, 2 * np.pi)/np.pi) **4/2y= 2 * (x ** 2-x)**2*np.sin(p)

r= u * (x*np.sin(p) + y *np.cos(p))

surf= ax.plot_surface(r * np.cos(t),r * np.sin(t), u *(x*np.cos(p)-y*np.sin(p)),

rstride= 1,cstride=1,cmap = cm.gist_heat,linewidth=0,antialiased=True)

plt.title(u'祝愿单身尽早脱单',fontproperties=font)

ax.set_xticks([])

ax.set_yticks([])

ax.set_zticks([])

plt.show()