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https://issues.apache.org/jira/browse/LUCENE-7150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15218315#comment-15218315
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Karl Wright commented on LUCENE-7150:
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Are you sure that the 2d code is using a sphere as a world model?
Also, after talking with Ryan I am concerned that the 2d implementation is
using a wacky value for the radius of the earth. It should be using the mean
earth radius, not the equatorial radius.
> geo3d public APIs should match the 2D apis?
> -------------------------------------------
>
> Key: LUCENE-7150
> URL: https://issues.apache.org/jira/browse/LUCENE-7150
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Attachments: LUCENE-7150-sphere.patch, LUCENE-7150.patch,
> LUCENE-7150.patch, LUCENE-7150.patch, LUCENE-7150.patch
>
>
> I'm struggling to benchmark the equivalent to
> {{LatLonPoint.newDistanceQuery}} in the geo3d world.
> Ideally, I think we'd have a {{Geo3DPoint.newDistanceQuery}}? And it would
> take degrees, not radians, and radiusMeters, not an angle?
> And if I index and search using {{PlanetModel.SPHERE}} I think it should
> ideally give the same results as {{LatLonPoint.newDistanceQuery}}, which uses
> haversin.
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