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I am writing a quick-and-dirty script to generate plots on the fly. I am using the code below (from Matplotlib documentation) as a starting point:

from pylab import figure, axes, pie, title, show 

# Make a square figure and axes 

figure(1, figsize=(6, 6)) 

ax = axes([0.1, 0.1, 0.8, 0.8])

labels = 'Frogs', 'Hogs', 'Dogs', 'Logs'

fracs = [15, 30, 45, 10]

explode = (0, 0.05, 0, 0) 

pie(fracs, explode=explode, labels=labels, autopct='%1.1f%%', shadow=True) 

title('Raining Hogs and Dogs', bbox={'facecolor': '0.8', 'pad': 5}) 

show() 

# Actually, don't show, just save to foo.png

I don't want to display the plot on a GUI, instead, I want to save the plot to a file (say foo.png), so that, for example, it can be used in batch scripts. How do I do that?

1 Answer

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by (107k points)

When you are using Save plot you can use specify .savefig() as an extension to the file:-

from matplotlib import pyplot as plt

plt.savefig('foo.png') 

plt.savefig('foo.pdf')

The use of  .savefig() Will give a rasterized or vectorized output respectively, both which could be useful.

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