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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-6647) Add GeoHash String Utilities to core GeoUtils
Date Sat, 01 Aug 2015 10:14:05 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-6647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650253#comment-14650253
] 

ASF subversion and git services commented on LUCENE-6647:
---------------------------------------------------------

Commit 1693702 from [~mikemccand] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1693702 ]

LUCENE-6647: add GeoHash string utility APIs

> 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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