不同文本的布局

创建具有不同对齐和旋转的文本。

  1. import matplotlib.pyplot as plt
  2. import matplotlib.patches as patches
  4. # build a rectangle in axes coords
  5. left, width = .25, .5
  6. bottom, height = .25, .5
  7. right = left + width
  8. top = bottom + height
  10. fig = plt.figure()
  11. ax = fig.add_axes([0,0,1,1])
  13. # axes coordinates are 0,0 is bottom left and 1,1 is upper right
  14. p = patches.Rectangle(
  15.     (left, bottom), width, height,
  16.     fill=False, transform=ax.transAxes, clip_on=False
  17.     )
  19. ax.add_patch(p)
  21. ax.text(left, bottom, 'left top',
  22.         horizontalalignment='left',
  23.         verticalalignment='top',
  24.         transform=ax.transAxes)
  26. ax.text(left, bottom, 'left bottom',
  27.         horizontalalignment='left',
  28.         verticalalignment='bottom',
  29.         transform=ax.transAxes)
  31. ax.text(right, top, 'right bottom',
  32.         horizontalalignment='right',
  33.         verticalalignment='bottom',
  34.         transform=ax.transAxes)
  36. ax.text(right, top, 'right top',
  37.         horizontalalignment='right',
  38.         verticalalignment='top',
  39.         transform=ax.transAxes)
  41. ax.text(right, bottom, 'center top',
  42.         horizontalalignment='center',
  43.         verticalalignment='top',
  44.         transform=ax.transAxes)
  46. ax.text(left, 0.5*(bottom+top), 'right center',
  47.         horizontalalignment='right',
  48.         verticalalignment='center',
  49.         rotation='vertical',
  50.         transform=ax.transAxes)
  52. ax.text(left, 0.5*(bottom+top), 'left center',
  53.         horizontalalignment='left',
  54.         verticalalignment='center',
  55.         rotation='vertical',
  56.         transform=ax.transAxes)
  58. ax.text(0.5*(left+right), 0.5*(bottom+top), 'middle',
  59.         horizontalalignment='center',
  60.         verticalalignment='center',
  61.         fontsize=20, color='red',
  62.         transform=ax.transAxes)
  64. ax.text(right, 0.5*(bottom+top), 'centered',
  65.         horizontalalignment='center',
  66.         verticalalignment='center',
  67.         rotation='vertical',
  68.         transform=ax.transAxes)
  70. ax.text(left, top, 'rotated\nwith newlines',
  71.         horizontalalignment='center',
  72.         verticalalignment='center',
  73.         rotation=45,
  74.         transform=ax.transAxes)
  76. ax.set_axis_off()
  77. plt.show()

不同文本的布局

参考

此示例中显示了以下函数，方法，类和模块的使用：

  1. import matplotlib
  2. matplotlib.axes.Axes.text
  3. matplotlib.pyplot.text

下载这个示例