在不同平面上绘制二维条形图。
本实例制作了一个3d图,其中有二维条形图投射到平面y=0,y=1,等。
演示结果:
完整代码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
import numpy as np
# Fixing random state for reproducibility
np.random.seed( 19680801 )
fig = plt.figure()
ax = fig.add_subplot( 111 , projection = '3d' )
colors = [ 'r' , 'g' , 'b' , 'y' ]
yticks = [ 3 , 2 , 1 , 0 ]
for c, k in zip (colors, yticks):
# Generate the random data for the y=k 'layer'.
xs = np.arange( 20 )
ys = np.random.rand( 20 )
# You can provide either a single color or an array with the same length as
# xs and ys. To demonstrate this, we color the first bar of each set cyan.
cs = [c] * len (xs)
cs[ 0 ] = 'c'
# Plot the bar graph given by xs and ys on the plane y=k with 80% opacity.
ax.bar(xs, ys, zs = k, zdir = 'y' , color = cs, alpha = 0.8 )
ax.set_xlabel( 'X' )
ax.set_ylabel( 'Y' )
ax.set_zlabel( 'Z' )
# On the y axis let's only label the discrete values that we have data for.
ax.set_yticks(yticks)
plt.show()
|
脚本运行时间:(0分0.063秒)
总结
以上就是本文关于Python+matplotlib+numpy实现在不同平面的二维条形图的全部内容,希望对大家有所帮助。感兴趣的朋友可以继续参阅本站其他相关专题,如有不足之处,欢迎留言指出。感谢朋友们对本站的支持!
原文链接:https://matplotlib.org/index.html