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Drop duplicate or almost-duplicate edges #31

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tomalrussell opened this issue Feb 20, 2019 · 0 comments
Open

Drop duplicate or almost-duplicate edges #31

tomalrussell opened this issue Feb 20, 2019 · 0 comments

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@tomalrussell
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Test for almost-equal lines, and/or equal geometries with different coordinate lists.

shapely has equals and almost_equals: https://shapely.readthedocs.io/en/stable/manual.html#object.equals

Consider buffer/contains test:

def almost_equals(a, b, tolerance):
    return a.buffer(tolerance).contains(b) && b.buffer(tolerance).contains(a)

Related concepts around smallest max distance between shapes - Hausdorff distance, Fréchet distance
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@tomalrussell