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Polygons failing to tessellate #12352

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iverase opened this issue Jun 7, 2023 · 0 comments · Fixed by #12353
Closed

Polygons failing to tessellate #12352

iverase opened this issue Jun 7, 2023 · 0 comments · Fixed by #12353
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type:bug
Milestone
9.7.0

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@iverase
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iverase commented Jun 7, 2023

relates to #11986

More polygons reported to be failing to tessellate. The polygon data can be found here: Sharing the sample polygon data.
https://raw.githubusercontent.com/amalantonygit/polygon-data/main/polygon.geojson

image

From a first look, the error seems related to the way we validate the diagonal chosen to split polygons here:

lucene/lucene/core/src/java/org/apache/lucene/geo/Tessellator.java

Line 1093 in 0c29390

private static final boolean isValidDiagonal(final Node a, final Node b) {

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[Tessellator] Improve the checks that validate the diagonal between two polygon nodes iverase/lucene
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@iverase