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Investigate division by zero in shapely #10009

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micheles opened this issue Oct 2, 2024 · 1 comment
Open

Investigate division by zero in shapely #10009

micheles opened this issue Oct 2, 2024 · 1 comment
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bug
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Engine 3.22.0

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@micheles
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micheles commented Oct 2, 2024 •
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It has been happening for years. For instance you can run ALS and get

/home/michele/openquake/lib/python3.11/site-packages/shapely/constructive.py:180: RuntimeWarning: divide by zero encountered in buffer

It is harmless, but it would be nice to remove the warning. See also pygeos/pygeos#357.
@micheles micheles added the bug label Oct 2, 2024
@micheles micheles added this to the Engine 3.22.0 milestone Oct 2, 2024
@micheles micheles mentioned this issue Oct 24, 2024
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micheles commented Oct 24, 2024 •
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There is also another warning coming from a different call:

shapely/set_operations.py:419: RuntimeWarning: divide by zero encountered in unary_union

It is invoked by shapely.ops.unary_union(polygons).

@micheles micheles mentioned this issue Oct 25, 2024
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