连接简单例子01

连接简单例子01示例

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from matplotlib.patches import ConnectionPatch
import matplotlib.pyplot as plt

fig, (ax1, ax2) = plt.subplots(1, 2, figsize=(6, 3))

xyA = (0.2, 0.2)
xyB = (0.8, 0.8)
coordsA = "data"
coordsB = "data"
con = ConnectionPatch(xyA, xyB, coordsA, coordsB,
                      arrowstyle="-|>", shrinkA=5, shrinkB=5,
                      mutation_scale=20, fc="w")
ax1.plot([xyA[0], xyB[0]], [xyA[1], xyB[1]], "o")
ax1.add_artist(con)

xy = (0.3, 0.2)
coordsA = "data"
coordsB = "data"
con = ConnectionPatch(xyA=xy, xyB=xy, coordsA=coordsA, coordsB=coordsB,
                      axesA=ax2, axesB=ax1,
                      arrowstyle="->", shrinkB=5)
ax2.add_artist(con)

ax1.set_xlim(0, 1)
ax1.set_ylim(0, 1)
ax2.set_xlim(0, .5)
ax2.set_ylim(0, .5)

plt.show()

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