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https://issues.apache.org/jira/browse/LUCENE-6544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14592190#comment-14592190
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ASF subversion and git services commented on LUCENE-6544:
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Commit 1686286 from [~dsmiley] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1686286 ]
LUCENE-6544: Geo3D: Regularize path & polygon construction, add
PlanetModel.surfaceDistance(), cache lat & lon in GeoPoint, add thread-safety
where missing -- Geo3dShape.
> Geo3d cleanup: Regularize path and polygon construction, plus consider adding
> ellipsoid surface distance method
> ---------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-6544
> URL: https://issues.apache.org/jira/browse/LUCENE-6544
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/spatial
> Reporter: Karl Wright
> Attachments: LUCENE-6544.patch, LUCENE-6544.patch
>
>
> Geo3d's way of constructing polygons and paths differs in that in one case
> you construct points and the other you feed lat/lon values directly to the
> builder. Probably both should be supported for both kinds of entity.
> Also it may be useful to have an accurate point-point ellipsoidal distance
> function. This is expensive and would be an addition to the arc distance we
> currently compute. It would probably be called "surface distance".
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