您可以定义绘图功能，例如
import numpy as np
import matplotlib.pyplot as plt
# an example graph type
def fig_barh(ylabels, xvalues, title=''):
# create a new figure
fig = plt.figure()
# plot to it
yvalues = 0.1 + np.arange(len(ylabels))
plt.barh(yvalues, xvalues, figure=fig)
yvalues += 0.4
plt.yticks(yvalues, ylabels, figure=fig)
if title:
plt.title(title, figure=fig)
# return it
return fig
然后像
from matplotlib.backends.backend_pdf import PdfPages
def write_pdf(fname, figures):
doc = PdfPages(fname)
for fig in figures:
fig.savefig(doc, format='pdf')
doc.close()
def main():
a = fig_barh(['a','b','c'], [1, 2, 3], 'Test #1')
b = fig_barh(['x','y','z'], [5, 3, 1], 'Test #2')
write_pdf('test.pdf', [a, b])
if __name__=="__main__":
main()
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