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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SOLR-13467) Spatial: Add S2 lib for more efficient Geo3D indexes
Date Thu, 16 May 2019 02:19:01 GMT

     [ https://issues.apache.org/jira/browse/SOLR-13467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

David Smiley resolved SOLR-13467.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 8.2

> Spatial: Add S2 lib for more efficient Geo3D indexes
> ----------------------------------------------------
>
>                 Key: SOLR-13467
>                 URL: https://issues.apache.org/jira/browse/SOLR-13467
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: documentation, spatial
>            Reporter: David Smiley
>            Assignee: David Smiley
>            Priority: Major
>             Fix For: 8.2
>
>         Attachments: SOLR-13467.patch
>
>
> Here I'm adding a dependency on [Google S2 Geometry|http://s2geometry.io] (121KB) so
that we can use {{prefixTree="s2"}} on a spatial field type that is using Geo3D.  Lucene spatial-extras
already has this dependency, albeit it is optional.  I enhanced tests to exercise it.
> Additionally, I document here a strictness Geo3D has in which the polygon points must
be provided in a particular order or else the interpretation of the shape is inverted.  This
so-called "right hand rule" order is somewhat standard but some libs (like JTS) don't care.



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