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https://issues.apache.org/jira/browse/LUCENE-7195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karl Wright updated LUCENE-7195:
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Attachment: LUCENE-7195.patch
I turned this into a test, which unfortunately does *not* fail. Attached.
> GeoPolygon construction sometimes inexplicably chooses concave polygons when
> order of points is clockwise
> ---------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-7195
> URL: https://issues.apache.org/jira/browse/LUCENE-7195
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/spatial3d
> Affects Versions: master
> Reporter: Karl Wright
> Assignee: Karl Wright
> Attachments: LUCENE-7195.patch
>
>
> The following input generates the following polygon, which is backwards from
> the correct sense:
> {code}
> MAKE POLY: centerLat=51.204382859999996 centerLon=0.23125274999999992
> radiusMeters=44832.90297079173 gons=10
> polyLats=[51.204382859999996, 50.89947531437482,
> 50.8093624806861,50.8093624806861, 50.89947531437482, 51.204382859999996,
> 51.51015366140113, 51.59953838204167, 51.59953838204167, 51.51015366140113,
> 51.204382859999996]
> polyLons=[0.8747711978759765, 0.6509219832137298, 0.35960265165247807,
> 0.10290284834752167, -0.18841648321373008, -0.41226569787597667,
> -0.18960465285650027, 0.10285893781346236, 0.35964656218653757,
> 0.6521101528565002, 0.8747711978759765]
> --> QUERY: PointInGeo3DShapeQuery: field=point: Shape:
> GeoCompositeMembershipShape: {[GeoConcavePolygon:
> {planetmodel=PlanetModel.WGS84, points=
> [[lat=0.899021779599662, lon=0.011381469253029434],
> [lat=0.9005818372758149, lon=0.006277016653633617],
> [lat=0.9005818372758149, lon=0.0017952271299490152],
> [lat=0.899021779599662, lon=-0.003309225469446801],
> [lat=0.8936850723587506, lon=-0.007195393820967987],
> [lat=0.8883634317734164, lon=-0.0032884879971082164],
> [lat=0.8867906661272461, lon=0.0017959935133446592],
> [lat=0.8867906661272461, lon=0.006276250270237971],
> [lat=0.8883634317734164, lon=0.011360731780690846],
> [lat=0.8936850723587506, lon=0.015267637604550617]], internalEdges={},
> holes=[]}]}
> {code}
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