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Date: Thu, 16 Sep 2010 03:09:34 -0400 (EDT)
From: "Lance Norskog (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-2646) Iimplement the Military Grid
 Reference System for tiling
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    [ https://issues.apache.org/jira/browse/LUCENE-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12910029#action_12910029 ] 

Lance Norskog commented on LUCENE-2646:
---------------------------------------

>From the wikipedia page:

In the polar regions, a different convention is used.

http://earth-info.nga.mil/GandG/publications/tm8358.1/tr83581f.html

> Iimplement the Military Grid Reference System for tiling
> --------------------------------------------------------
>
>                 Key: LUCENE-2646
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2646
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/spatial
>            Reporter: Grant Ingersoll
>
> The current tile based system in Lucene is broken.  We should standardize on a common way of labeling grids and provide that as an option.  Based on previous conversations with Ryan McKinley and Chris Male, it seems the Military Grid Reference System (http://en.wikipedia.org/wiki/Military_grid_reference_system) is a good candidate for the replacement due to its standard use of metric tiles of increasing orders of magnitude (1, 10, 100, 1000, etc.)

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