将地块保存为PDF [英] Save the plots into a PDF

问题描述

def plotGraph(X,Y):
    fignum = random.randint(0,sys.maxint)
    plt.figure(fignum)
    ### Plotting arrangements ###
    return fignum

主模块

import matplotlib.pyplot as plt
### tempDLStats, tempDLlabels are the argument
plot1 = plotGraph(tempDLstats, tempDLlabels)
plot2 = plotGraph(tempDLstats_1, tempDLlabels_1)
plot3 = plotGraph(tempDLstats_2, tempDLlabels_2)
plt.show()

我想将所有图plot1，plot2，plot3保存到一个PDF文件中.有什么办法可以实现?我不能在主模块中包含plotGraph函数.

I want to save all the graphs plot1, plot2, plot3 to a single PDF file. Is there any way to achieve it? I can't include the plotGraph function in the main module.

有一个名为pylab.savefig的函数，但只有将其与绘图模块一起放置时，该函数才起作用.还有其他方法可以实现吗?

There's a function named pylab.savefig but that seems to work only if it's placed along with plotting module. Is there any other way to accomplish it?

推荐答案

没关系.

def plotGraph(X,Y):
     fignum = random.randint(0,sys.maxint)
     fig = plt.figure(fignum)
     ### Plotting arrangements ###
     return fig

------绘图模块------

------ plotting module ------

----- mainModule ----

----- mainModule ----

 import matplotlib.pyplot as plt
 ### tempDLStats, tempDLlabels are the argument
 plot1 = plotGraph(tempDLstats, tempDLlabels)
 plot2 = plotGraph(tempDLstats_1, tempDLlabels_1)
 plot3 = plotGraph(tempDLstats_2, tempDLlabels_2)
 plt.show()
 plot1.savefig('plot1.png')
 plot2.savefig('plot2.png')
 plot3.savefig('plot3.png')

----- mainModule -----

----- mainModule -----

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