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Posted to dev@lucene.apache.org by "Karl Wright (JIRA)" <ji...@apache.org> on 2015/06/10 21:06:00 UTC
[jira] [Commented] (LUCENE-6544) Geo3d cleanup: Regularize path and
polygon construction, plus consider adding ellipsoid surface distance
method
[ https://issues.apache.org/jira/browse/LUCENE-6544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14580959#comment-14580959 ]
Karl Wright commented on LUCENE-6544:
-------------------------------------
[~dsmiley] Is this a ticket you'd be willing to own?
> 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
>
>
> 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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