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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2015/08/01 12:02:04 UTC

[jira] [Commented] (LUCENE-6647) Add GeoHash String Utilities to core GeoUtils

    [ https://issues.apache.org/jira/browse/LUCENE-6647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650245#comment-14650245 ] 

Michael McCandless commented on LUCENE-6647:
--------------------------------------------

Thanks [~nknize], I'll commit shortly...

> Add GeoHash String Utilities to core GeoUtils
> ---------------------------------------------
>
>                 Key: LUCENE-6647
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6647
>             Project: Lucene - Core
>          Issue Type: New Feature
>            Reporter: Nicholas Knize
>         Attachments: LUCENE-6647.patch, LUCENE-6647.patch, LUCENE-6647.patch, LUCENE-6647.patch
>
>
> GeoPointField uses morton encoding to efficiently pack lat/lon values into a single long. GeoHashing effectively does the same thing but uses base 32 encoding to represent this long value as a "human readable" string.  Many user applications already use the string representation of the hash. This issue simply adds the base32 string representation of the already computed morton code.



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