简单的轴线2

简单的轴线2

  1. import matplotlib.pyplot as plt
  2. from mpl_toolkits.axisartist.axislines import SubplotZero
  3. import numpy as np
  5. fig = plt.figure(1, (4, 3))
  7. # a subplot with two additional axis, "xzero" and "yzero". "xzero" is
  8. # y=0 line, and "yzero" is x=0 line.
  9. ax = SubplotZero(fig, 1, 1, 1)
  10. fig.add_subplot(ax)
  12. # make xzero axis (horizontal axis line through y=0) visible.
  13. ax.axis["xzero"].set_visible(True)
  14. ax.axis["xzero"].label.set_text("Axis Zero")
  16. # make other axis (bottom, top, right) invisible.
  17. for n in ["bottom", "top", "right"]:
  18.     ax.axis[n].set_visible(False)
  20. xx = np.arange(0, 2*np.pi, 0.01)
  21. ax.plot(xx, np.sin(xx))
  23. plt.show()

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