[英]matplotlib subplots from plot objects
I've got a series of functions that return three plot objects (figure, axis and plot) and I would like to combine them into a single figure as subplots. 我有一系列函数可以返回三个绘图对象(图,轴和绘图),我想将它们组合成一个图形作为子图。 I've put together example code:
我整理了示例代码:
import matplotlib.pyplot as plt
import numpy as np
def main():
line_fig,line_axes,line_plot=line_grapher()
cont_fig,cont_axes,cont_plot=cont_grapher()
compound_fig=plot_compounder(line_fig,cont_fig)#which arguments?
plt.show()
def line_grapher():
x=np.linspace(0,2*np.pi)
y=np.sin(x)/(x+1)
line_fig=plt.figure()
line_axes=line_fig.add_axes([0.1,0.1,0.8,0.8])
line_plot=line_axes.plot(x,y)
return line_fig,line_axes,line_plot
def cont_grapher():
z=np.random.rand(10,10)
cont_fig=plt.figure()
cont_axes=cont_fig.add_axes([0.1,0.1,0.8,0.8])
cont_plot=cont_axes.contourf(z)
return cont_fig,cont_axes,cont_plot
def plot_compounder(fig1,fig2):
#... lines that will compound the two figures that
#... were passed to the function and return a single
#... figure
fig3=None#provisional, so that the code runs
return fig3
if __name__=='__main__':
main()
It would be really useful to combine a set of graphs into one with a function. 将一组图形与一个函数组合在一起将非常有用。 Has anybody done this before?
有人做过吗?
If you're going to be plotting your graphs on the same figure anyway, there's no need to create a figure for each plot. 如果仍然要在同一图形上绘制图形,则无需为每个图形创建图形。 Changing your plotting functions to just return the axes, you can instantiate a figure with two subplots and add an axes to each subplot:
更改绘图功能以仅返回轴,您可以实例化具有两个子图的图形并将轴添加到每个子图:
def line_grapher(ax):
x=np.linspace(0,2*np.pi)
y=np.sin(x)/(x+1)
ax.plot(x,y)
def cont_grapher(ax):
z=np.random.rand(10,10)
cont_plot = ax.contourf(z)
def main():
fig3, axarr = plt.subplots(2)
line_grapher(axarr[0])
cont_grapher(axarr[1])
plt.show()
if __name__=='__main__':
main()
Look into the plt.subplots
function and the add_subplot
figure method for plotting multiple plots on one figure. 查看
plt.subplots
函数和add_subplot
图形方法,以在一个图形上绘制多个图形。
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