连接样式演示

连接样式演示

  1. import matplotlib.pyplot as plt
  4. fig, axs = plt.subplots(3, 5, figsize=(8, 4.8))
  5. x1, y1 = 0.3, 0.3
  6. x2, y2 = 0.7, 0.7
  9. def demo_con_style(ax, connectionstyle, label=None):
  10.     x1, y1 = 0.3, 0.2
  11.     x2, y2 = 0.8, 0.6
  13.     ax.plot([x1, x2], [y1, y2], ".")
  14.     ax.annotate("",
  15.                 xy=(x1, y1), xycoords='data',
  16.                 xytext=(x2, y2), textcoords='data',
  17.                 arrowprops=dict(arrowstyle="->",
  18.                                 color="0.5",
  19.                                 shrinkA=5, shrinkB=5,
  20.                                 patchA=None,
  21.                                 patchB=None,
  22.                                 connectionstyle=connectionstyle,
  23.                                 ),
  24.                 )
  26.     ax.text(.05, .95, connectionstyle.replace(",", ",\n"),
  27.             transform=ax.transAxes, ha="left", va="top")
  30. demo_con_style(axs[0, 0], "angle3,angleA=90,angleB=0")
  31. demo_con_style(axs[1, 0], "angle3,angleA=0,angleB=90")
  32. demo_con_style(axs[0, 1], "arc3,rad=0.")
  33. demo_con_style(axs[1, 1], "arc3,rad=0.3")
  34. demo_con_style(axs[2, 1], "arc3,rad=-0.3")
  35. demo_con_style(axs[0, 2], "angle,angleA=-90,angleB=180,rad=0")
  36. demo_con_style(axs[1, 2], "angle,angleA=-90,angleB=180,rad=5")
  37. demo_con_style(axs[2, 2], "angle,angleA=-90,angleB=10,rad=5")
  38. demo_con_style(axs[0, 3], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=0")
  39. demo_con_style(axs[1, 3], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=5")
  40. demo_con_style(axs[2, 3], "arc,angleA=-90,angleB=0,armA=0,armB=40,rad=0")
  41. demo_con_style(axs[0, 4], "bar,fraction=0.3")
  42. demo_con_style(axs[1, 4], "bar,fraction=-0.3")
  43. demo_con_style(axs[2, 4], "bar,angle=180,fraction=-0.2")
  45. for ax in axs.flat:
  46.     ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[], aspect=1)
  47. fig.tight_layout(pad=0)
  49. plt.show()

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