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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2139) Cleanup and Improvement of Spatial Contrib
Date Wed, 01 Dec 2010 02:06:11 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965540#action_12965540
] 

Yonik Seeley commented on LUCENE-2139:
--------------------------------------

bq. As far as I understand the spatial search is done by two range queries ANDed

Yep - but they are normally tri-range (i.e. Lucene Numeric) ranges, so pretty efficient anyway.
>From what I saw of the existing tier code, I can't say that it would have been more efficient...
and I can say that at least for some spatial queries, it would have been less efficient (since
it always seemed to use one tier level for a query, not multiple).


> Cleanup and Improvement of Spatial Contrib
> ------------------------------------------
>
>                 Key: LUCENE-2139
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2139
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/spatial
>    Affects Versions: 3.1
>            Reporter: Chris Male
>            Assignee: Simon Willnauer
>         Attachments: LUCENE-2139-Java5Only.patch, LUCENE-2139-svnScript.sh, LUCENE-2139.patch
>
>
> The current spatial contrib can be improved by adding documentation, tests, removing
unused classes and code, repackaging the classes and improving the performance of the distance
filtering.  The latter will incorporate the multi-threaded functionality introduced in LUCENE-1732.
 
> Other improvements involve adding better support for different distance units, different
distance calculators and different data formats (whether it be lat/long fields, geohashes,
or something else in the future).
> Patch to be added soon.

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