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https://issues.apache.org/jira/browse/LUCENE-6647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless resolved LUCENE-6647.
----------------------------------------
       Resolution: Fixed
    Fix Version/s: Trunk
                   5.3

> 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
>             Fix For: 5.3, Trunk
>
>         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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