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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-6487) Add WGS84 capability to geo3d support
Date Tue, 02 Jun 2015 13:16:17 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569075#comment-14569075
] 

ASF subversion and git services commented on LUCENE-6487:
---------------------------------------------------------

Commit 1683102 from [~dsmiley] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1683102 ]

LUCENE-6487: Geo3D with WGS84 option

> 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, 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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