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Commit 662dc23

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jklymakmeeseeksmachine
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Backport PR #17995: Avoid using Bbox machinery in Path.get_extents; special case polylines.
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‎lib/matplotlib/path.py

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+13-7Lines changed: 13 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -588,13 +588,19 @@ def get_extents(self, transform=None, **kwargs):
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from .transforms import Bbox
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if transform is not None:
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self = transform.transform_path(self)
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bbox = Bbox.null()
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for curve, code in self.iter_bezier(**kwargs):
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# places where the derivative is zero can be extrema
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_, dzeros = curve.axis_aligned_extrema()
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# as can the ends of the curve
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bbox.update_from_data_xy(curve([0, *dzeros, 1]), ignore=False)
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return bbox
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if self.codes is None:
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xys = self.vertices
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elif len(np.intersect1d(self.codes, [Path.CURVE3, Path.CURVE4])) == 0:
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xys = self.vertices[self.codes != Path.CLOSEPOLY]
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else:
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xys = []
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for curve, code in self.iter_bezier(**kwargs):
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# places where the derivative is zero can be extrema
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_, dzeros = curve.axis_aligned_extrema()
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# as can the ends of the curve
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xys.append(curve([0, *dzeros, 1]))
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xys = np.concatenate(xys)
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return Bbox([xys.min(axis=0), xys.max(axis=0)])
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def intersects_path(self, other, filled=True):
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"""

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