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https://issues.apache.org/jira/browse/LUCENE-7941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142728#comment-16142728
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Ignacio Vera commented on LUCENE-7941:
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Hi [~daddywri],
I think actually the implementation of geoDegeneratePoint complies with the
contract as it return CONTAINS/OVERLAPS (instead of WITHIN according to
contract) when the geoDegeneratePoint lies in the boundary of the other shape .
On the other hand, the implementation of other shapes might be not fully
complaint as any shape that has a point in an edge of another shape will always
return OVERLAPS/OVERLAPS. Therefore a circle inscribed in a rectangle will
return OVERLAPS/OVERLAPS.
If this is acceptable, then there is nothing to be done.
What it might be missing is a method in the the Plane; crossPlane(Plane
lane,...) very similar to intersects but only return trues if intersects and
has points in both sides of the other plane. With that functionaly the method
getRelationship() can be more accurate according to contract.
Thanks!
> GeoDegeneratePoints return intersects when located in edge shape
> -----------------------------------------------------------------
>
> Key: LUCENE-7941
> URL: https://issues.apache.org/jira/browse/LUCENE-7941
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Ignacio Vera
> Assignee: Karl Wright
> Priority: Minor
> Fix For: 6.7, master (8.0), 7.1
>
> Attachments: LUCENE-7941-test.patch
>
>
> If the degenerate Geopoint lays on the boundary of a shape, the
> relationships between the objects are not symetrical:
> The bounding box "thinks" it contains the degenerated point.
> The degenerated point "thinks" it intersects the shape.
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