我想使用Matplotlib在球面上通过颜色映射来绘制数据。此外,我还想添加一个3D线性图。我目前的代码是:
import matplotlib
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
NPoints_Phi = 30
NPoints_Theta = 30
radius = 1
pi = np.pi
cos = np.cos
sin = np.sin
phi_array = ((np.linspace(0, 1, NPoints_Phi))**1) * 2*pi
theta_array = (np.linspace(0, 1, NPoints_Theta) **1) * pi
phi, theta = np.meshgrid(phi_array, theta_array)
x_coord = radius*sin(theta)*cos(phi)
y_coord = radius*sin(theta)*sin(phi)
z_coord = radius*cos(theta)
#Make colormap the fourth dimension
color_dimension = x_coord
minn, maxx = color_dimension.min(), color_dimension.max()
norm = matplotlib.colors.Normalize(minn, maxx)
m = plt.cm.ScalarMappable(norm=norm, cmap='jet')
m.set_array([])
fcolors = m.to_rgba(color_dimension)
theta2 = np.linspace(-np.pi, 0, 1000)
phi2 = np.linspace( 0 , 5 * 2*np.pi , 1000)
x_coord_2 = radius * np.sin(theta2) * np.cos(phi2)
y_coord_2 = radius * np.sin(theta2) * np.sin(phi2)
z_coord_2 = radius * np.cos(theta2)
# plot
fig = plt.figure()
ax = fig.gca(projection='3d')
ax.plot(x_coord_2, y_coord_2, z_coord_2,'k|-', linewidth=1 )
ax.plot_surface(x_coord,y_coord,z_coord, rstride=1, cstride=1, facecolors=fcolors, vmin=minn, vmax=maxx, shade=False)
fig.show()
这段代码生成的图片看起来像这样: 这几乎是我想要的。但是,当黑线在背景中时,应该被表面图遮挡,并在前景中可见。换句话说,黑线不应该“透过”球体显示出来。
在Matplotlib中是否可以实现此功能,并且不使用Mayavi?