如何将传说从情节中剔除

How to put the legend out of the plot(如何将传说从情节中剔除)

本文介绍了如何将传说从情节中剔除的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我有一系列 20 个图(不是子图)要在一个图中制作.我希望传说在盒子外面.同时,我不想更改轴,因为图形的大小会减小.请帮助我解决以下问题:

  1. 我想将图例框保留在绘图区域之外.(我希望图例位于绘图区域的右侧之外).
  2. 有没有我把图例框内的文字字体缩小,让图例框的大小变小.

解决方案

  • 您可以通过指定 FontPropertiesset_size 来缩小图例文本.
  • 资源:
      • 如 Mateen Ulhaq 所述,fontsize='xx-small' 也工作,无需导入 FontProperties.

      plt.legend(handles=[p1, p2], title='title', bbox_to_anchor=(1.05, 1), loc='upper left', fontsize='xx-小')

      I have a series of 20 plots (not subplots) to be made in a single figure. I want the legend to be outside of the box. At the same time, I do not want to change the axes, as the size of the figure gets reduced. Kindly help me for the following queries:

      1. I want to keep the legend box outside the plot area. (I want the legend to be outside at the right side of the plot area).
      2. Is there anyway that I reduce the font size of the text inside the legend box, so that the size of the legend box will be small.

      解决方案

      • You can make the legend text smaller by specifying set_size of FontProperties.
      • Resources:
        • Legend guide
        • matplotlib.legend
        • matplotlib.pyplot.legend
        • matplotlib.font_manager
          • set_size(self, size)
          • Valid font size are xx-small, x-small, small, medium, large, x-large, xx-large, larger, smaller, None
        • Real Python: Python Plotting With Matplotlib (Guide)

      import matplotlib.pyplot as plt
      from matplotlib.font_manager import FontProperties
      
      fontP = FontProperties()
      fontP.set_size('xx-small')
      
      p1, = plt.plot([1, 2, 3], label='Line 1')
      p2, = plt.plot([3, 2, 1], label='Line 2')
      plt.legend(handles=[p1, p2], title='title', bbox_to_anchor=(1.05, 1), loc='upper left', prop=fontP)
      

      • As noted by Mateen Ulhaq, fontsize='xx-small' also works, without importing FontProperties.

      plt.legend(handles=[p1, p2], title='title', bbox_to_anchor=(1.05, 1), loc='upper left', fontsize='xx-small')
      

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