如何在matplotlib中叠加数字 [英] How to superimpose figures in matplotlib

问题描述

我在多个模块中创建了多个图形，我想将它们叠加在我的main.py中.

I create several figures in multiple modules, and i would like to superimpose them in mymain.py.

我可以返回可以在main.py中重用以创建组合图的可用图形/图吗?

Can i return a usable figure/plot that could be reused in main.py to create a combined figure?

谢谢！

推荐答案

解决方案是在main.py中设置图形/轴，然后将轴手柄传递给每个模块.作为一个最小的例子，

The solution is to setup a figure/axis in main.py and then pass the axis handle to each module. As a minimal example,

import matplotlib.pyplot as plt
import numpy as np
#from mod import plotsomefunction
#from diffrentmod import plotsomeotherfunction

def plotsomefunction(ax, x):

    return ax.plot(x, np.sin(x))

def plotsomeotherfunction(ax, x):

    return ax.plot(x,np.cos(x))


fig, ax = plt.subplots(1,1)
x = np.linspace(0,np.pi,1000)
l1 = plotsomefunction(ax, x)
l2 = plotsomeotherfunction(ax, x)
plt.show()

其中的功能代表模块.

或者，您可以只在main中创建一个图形，然后使用plt.sca将其添加到每个模块的当前轴中.这似乎是一个不太健壮的解决方案.

Alternatively, you could just create a figure in main and add it to the current axis in each module with plt.sca. This seems like a much less robust solution.

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