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https://issues.apache.org/jira/browse/LUCENE-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14558956#comment-14558956
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Karl Wright edited comment on LUCENE-6487 at 5/26/15 11:02 AM:
---------------------------------------------------------------

Suggestion:
(1) Create a branch.  It's the only way to really do extensive changes with svn.
(2) Commit my changes.
(3) Make your changes and commit those.
(4) We can iterate as needed.

Also, FWIW, the only three files I touched were:
Plane.java
Vector.java
GeoPoint.java




was (Author: kwri...@metacarta.com):
Suggestion:
(1) Create a branch.  It's the only way to really do extensive changes with svn.
(2) Commit my changes.
(3) Make your changes and commit those.
(4) We can iterate as needed.


> 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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