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Posted to dev@lucene.apache.org by "Nicholas Knize (JIRA)" <ji...@apache.org> on 2015/07/01 00:23:05 UTC
[jira] [Updated] (LUCENE-6647) Add GeoHash String Utilities to core
GeoUtils
[ https://issues.apache.org/jira/browse/LUCENE-6647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nicholas Knize updated LUCENE-6647:
-----------------------------------
Attachment: LUCENE-6647.patch
Initial patch that adds GeoHash string utilities to GeoUtils.java
Currently only tested and validated against Elasticsearch. Will add unit tests to next patch.
> 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
>
>
> 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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