我正在尝试使用matplotlib制作一个简单的3D表面图,但该图未在最后显示;我只有空的3D轴。
这是我所做的:
from mpl_toolkits.mplot3d import Axes3D
x = np.arange(1, 100, 1)
y = np.arange(1, 100, 1)
z = np.arange(1, 100, 1)
fig = figure()
ax = fig.add_subplot(111, projection='3d')
ax.plot_surface(x, y, z, rstride=5, cstride=5)
show()
...我得到这个:
有什么建议吗?
您未绘制表面:x
,y
和z
必须是2D数组。看这个例子:http://matplotlib.org/examples/mplot3d/surface3d_demo.html。
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import axes3d, Axes3D
from scipy.interpolate import griddata
x= np.arange(1, 100, 1)
y= np.arange(1, 100, 1)
z= np.arange(1, 100, 1)
fig = plt.figure()
ax = fig.gca(projection='3d')
xi = np.linspace(x.min(), x.max(), 50)
yi = np.linspace(y.min(), y.max(), 50)
zi = griddata((x, y), z, (xi[None, :], yi[:, None]), method='nearest') # create a uniform spaced grid
xig, yig = np.meshgrid(xi, yi)
surf = ax.plot_wireframe(X=xig, Y=yig, Z=zi, rstride=5, cstride=3, linewidth=1) # 3d plot
plt.show()
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