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PreparedLineStringIntersects: Fix incorrect result for mixed-dim GC with points #774

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merged 4 commits into from
Dec 13, 2022

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@dbaston dbaston commented Dec 12, 2022

@dr-jts JTS appears to be affected by the same issue.

@dbaston dbaston added the Bug label Dec 12, 2022
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dbaston commented Dec 12, 2022

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dr-jts commented Dec 12, 2022

PreparedGeometry has some level of longstanding support:

Right, I see that now. I guess it got introduced at some point since it's easier to do with the Prepared Geometry algorithms. So should be fixed.

@dbaston dbaston force-pushed the prep-linestring-gc-intersects branch from 6d6f2fc to 34defd3 Compare December 12, 2022 21:51
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dbaston commented Dec 12, 2022

So should be fixed.

Are you OK with this fix?

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dr-jts commented Dec 12, 2022

As far as I remember (and substantiated by absence of any documentation around support for Prepared Geometry with GeometryCollections), this was more of a "support by happenstance" than a planned extension. So there may well be other issues in the code.

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dr-jts commented Dec 12, 2022

Should add unit tests for the new Geometry.hasDimension method.

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dr-jts commented Dec 12, 2022

See matching JTS PR locationtech/jts#944

@dbaston dbaston merged commit de4fb92 into libgeos:main Dec 13, 2022
dr-jts pushed a commit that referenced this pull request Nov 1, 2023
dr-jts pushed a commit that referenced this pull request Nov 1, 2023
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