from matplotlib.backends.backend_pdf import PdfPages
pdf = PdfPages('figname.pdf')
plt.figure()
# do some plotting
plt.tight_layout()
print 'savefig...'
pdf.savefig()
plt.close()
pdf.close() # must
python 保存图片至pdf
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转载自blog.csdn.net/jack_ricky/article/details/86770121
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