简单的轴线

简单的轴线

  1. import matplotlib.pyplot as plt
  3. from mpl_toolkits.axisartist.axislines import SubplotZero
  6. fig = plt.figure(1)
  7. fig.subplots_adjust(right=0.85)
  8. ax = SubplotZero(fig, 1, 1, 1)
  9. fig.add_subplot(ax)
  11. # make right and top axis invisible
  12. ax.axis["right"].set_visible(False)
  13. ax.axis["top"].set_visible(False)
  15. # make xzero axis (horizontal axis line through y=0) visible.
  16. ax.axis["xzero"].set_visible(True)
  17. ax.axis["xzero"].label.set_text("Axis Zero")
  19. ax.set_ylim(-2, 4)
  20. ax.set_xlabel("Label X")
  21. ax.set_ylabel("Label Y")
  22. # or
  23. #ax.axis["bottom"].label.set_text("Label X")
  24. #ax.axis["left"].label.set_text("Label Y")
  26. # make new (right-side) yaxis, but with some offset
  27. offset = (20, 0)
  28. new_axisline = ax.get_grid_helper().new_fixed_axis
  30. ax.axis["right2"] = new_axisline(loc="right", offset=offset, axes=ax)
  31. ax.axis["right2"].label.set_text("Label Y2")
  33. ax.plot([-2, 3, 2])
  34. plt.show()

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