33 lines
1004 B
Python
33 lines
1004 B
Python
import numpy as np
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import matplotlib.pyplot as plt
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from matplotlib.testing.decorators import image_comparison
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from matplotlib.transforms import Bbox
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from mpl_toolkits.axisartist.clip_path import clip_line_to_rect
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@image_comparison(['clip_path.png'], style='default')
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def test_clip_path():
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x = np.array([-3, -2, -1, 0., 1, 2, 3, 2, 1, 0, -1, -2, -3, 5])
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y = np.arange(len(x))
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fig, ax = plt.subplots()
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ax.plot(x, y, lw=1)
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bbox = Bbox.from_extents(-2, 3, 2, 12.5)
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rect = plt.Rectangle(bbox.p0, bbox.width, bbox.height,
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facecolor='none', edgecolor='k', ls='--')
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ax.add_patch(rect)
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clipped_lines, ticks = clip_line_to_rect(x, y, bbox)
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for lx, ly in clipped_lines:
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ax.plot(lx, ly, lw=1, color='C1')
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for px, py in zip(lx, ly):
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assert bbox.contains(px, py)
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ccc = iter(['C3o', 'C2x', 'C3o', 'C2x'])
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for ttt in ticks:
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cc = next(ccc)
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for (xx, yy), aa in ttt:
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ax.plot([xx], [yy], cc)
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