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https://issues.apache.org/jira/browse/LUCENE-9251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17049926#comment-17049926
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ASF subversion and git services commented on LUCENE-9251:
---------------------------------------------------------
Commit c313365c5ffe76192e6179f3dfe23d056f7076c5 in lucene-solr's branch
refs/heads/master from Ignacio Vera
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=c313365 ]
LUCENE-9251: Filter equal edges with different value on isEdgeFromPolygon
(#1290)
Fix bug in the polygon tessellator where edges with different value on
#isEdgeFromPolygon were bot filtered out properly
> Polygon tessellator fails to detect some collinear points
> ---------------------------------------------------------
>
> Key: LUCENE-9251
> URL: https://issues.apache.org/jira/browse/LUCENE-9251
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Ignacio Vera
> Priority: Major
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> A user of Elasticsearch [has reported|
> https://discuss.elastic.co/t/unable-to-tessellate-shape-error-on-indexing-es-7-6/220867]
> a tessellation error in a valid polygon. The reported polygon is quite
> complex but after digging a bit, the problem is the tesselator fails to
> detect some colinearities. In particular, in complex tessellation we can end
> up with two equal edges with different flag in {{isEdgeFromPolygon}}. Still
> we should be able to remove that co-linearity.
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