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https://issues.apache.org/jira/browse/LUCENE-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karl Wright updated LUCENE-6487:
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Attachment: LUCENE-6487.patch
Updated patch, which deals properly with some ellipsoid issues around "circles"
and paths. So now once again there are no known functional problems and we're
back to adding tests.
Still need to come up with the "proper" WGS84 ellipsoid; I think we want the
scaling factors such that if you multiply all points by the mean earth radius
you get the proper points in meters.
> Add WGS84 capability to geo3d support
> -------------------------------------
>
> Key: LUCENE-6487
> URL: https://issues.apache.org/jira/browse/LUCENE-6487
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/spatial
> Reporter: Karl Wright
> Attachments: LUCENE-6487.patch, LUCENE-6487.patch, LUCENE-6487.patch
>
>
> WGS84 compatibility has been requested for geo3d. This involves working with
> an ellipsoid rather than a unit sphere. The general formula for an ellipsoid
> is:
> x^2/a^2 + y^2/b^2 + z^2/c^2 = 1
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