嗨,我在ipad上使用Pythonista 3:0。作为初学者,我下载了一些例子来试用。他们工作了一段时间,但现在当我尝试运行它们时,没有任何反应。原始Phthonista安装中的所有示例程序都能很好地工作。Pythonista用户启动的程序不运行
例如,这是行不通的。当我按下三角形时没有任何反应。 感谢
# -*- coding: utf-8 -*-from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
import numpy as np
from itertools import product, combinations
fig = plt.figure()
ax = fig.gca(projection='3d')
ax.set_aspect("equal")
#draw cube
r = [-1, 1]
for s, e in combinations(np.array(list(product(r,r,r))), 2):
if np.sum(np.abs(s-e)) == r[1]-r[0]:
ax.plot3D(*zip(s,e), color="b")
# draw sphere
u, v = np.mgrid[0:2*np.pi:20j, 0:np.pi:10j]
x=np.cos(u)*np.sin(v)
y=np.sin(u)*np.sin(v)
z=np.cos(v)
ax.plot_wireframe(x, y, z, color="r")
#draw a point
ax.scatter([0],[0],[0],color="g",s=100)
#draw a vector
from matplotlib.patches import FancyArrowPatch
from mpl_toolkits.mplot3d import proj3d
class Arrow3D(FancyArrowPatch):
def __init__(self, xs, ys, zs, *args, **kwargs):
FancyArrowPatch.__init__(self, (0,0), (0,0), *args, **kwargs)
self._verts3d = xs, ys, zs
def draw(self, renderer):
xs3d, ys3d, zs3d = self._verts3d
xs, ys, zs = proj3d.proj_transform(xs3d, ys3d, zs3d, renderer.M)
self.set_positions((xs[0],ys[0]),(xs[1],ys[1]))
FancyArrowPatch.draw(self, renderer)
a = Arrow3D([0,1],[0,1],[0,1], mutation_scale=20, lw=1, arrowstyle="-|>", color="k")
ax.add_artist(a)
plt.show()
谢谢你的Jak辽 - 我取代你好心提供的代码,但可惜什么也没有发生不运行 – Valavel