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https://issues.apache.org/jira/browse/LUCENE-7212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15259973#comment-15259973
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Karl Wright commented on LUCENE-7212:
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[~mikemccand], the resolution is quite important for determination if
in-set/out-of-set for shapes like small circles. However, for distance
measurement/ordering, I can't see any need to be that precise, so if the
docvalues is only used for distance computation then 64 bits should be OK.
> Add Geo3DPoint equivalents of LatLonPointDistanceComparator and
> LatLonPointSortField
> ------------------------------------------------------------------------------------
>
> Key: LUCENE-7212
> URL: https://issues.apache.org/jira/browse/LUCENE-7212
> Project: Lucene - Core
> Issue Type: Improvement
> Affects Versions: master
> Reporter: Karl Wright
> Assignee: Karl Wright
>
> Geo3D has a number of distance measurements and a generic way of computing
> interior distance. It would be great to take advantage of that for queries
> that return results ordered by interior distance.
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