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https://issues.apache.org/jira/browse/LUCENE-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836223#comment-13836223
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David Smiley commented on LUCENE-2646:
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I'm tempted to close this old issue as "won't fix" because there is already two
working tiling systems (geohash & quad). It would add complications of dealing
with overlap that exists between MGRS tiles, and needing additional projections
for the poles.
The only benefit I can think of is that you might want to support shapes
defined as existing on this projection (technically "these projections" as each
tile is its own projection). So a circle (point-radius), for example, isn't a
true geodetic point-radius, it's a 2D point-radius as projected on a particular
MGRS tile. Is there much value? Shrug; I don't think so. My preference is to
close this and only re-open when some user/app want this for some unique value
that such a tiling system would provide over existing ones we have.
> Implement the Military Grid Reference System for tiling
> -------------------------------------------------------
>
> Key: LUCENE-2646
> URL: https://issues.apache.org/jira/browse/LUCENE-2646
> Project: Lucene - Core
> Issue Type: New Feature
> Components: modules/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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