如何解决 UserWarning: findfont: 无法匹配 :family=Bitstream Vera Sans [英] How to resolve UserWarning: findfont: Could not match :family=Bitstream Vera Sans

问题描述

按照

• 好的，是matplotlib
的安装有问题

解决方案

尝试使用 weight 而不是 fontweight.

Following this example:

import numpy as np
import matplotlib.pyplot as plt

fig = plt.figure()
for i, label in enumerate(('A', 'B', 'C', 'D')):
    ax = fig.add_subplot(2,2,i+1)
    ax.text(0.05, 0.95, label, transform=ax.transAxes,
      fontsize=16, fontweight='bold', va='top')

plt.show()

I get this output:

Why are my labels normal weight, while the documentation shows this should create bold letters A, B, C, D?

I also get this warning:

Warning (from warnings module):
File "C:\Python27\lib\site-packages\matplotlib\font_manager.py", line 1228
UserWarning)
UserWarning: findfont: Could not match :family=Bitstream Vera Sans:style=italic:variant=normal:weight=bold:stretch=normal:size=x-small. Returning C:\Python27\lib\site-packages\matplotlib\mpl-data\fonts\ttf\Vera.ttf

OP Resolution

• From a deleted answer posted by the OP on Sep 15, 2013
  • Ok, it was a problem with the installation of matplotlib

解决方案

Try using weight instead of fontweight.

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