matplotlib中两个坐标轴之间画一条直线光标
转自：http://blog.csdn.net/rumswell/article/details/8008664
# -*- coding: utf-8 -*- from matplotlib.widgets import MultiCursor from pylab import figure, show, np t = np.arange(0.0, 2.0, 0.01) s1 = np.sin(2*np.pi*t) s2 = np.sin(4*np.pi*t) fig = figure() ax1 = fig.add_subplot(211) ax1.plot(t, s1) ax2 = fig.add_subplot(212, sharex=ax1) ax2.plot(t, s2) multi = MultiCursor(fig.canvas, (ax1, ax2), color='r', lw=1) show()
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