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Posted to dev@lucene.apache.org by "Commit Tag Bot (JIRA)" <ji...@apache.org> on 2013/03/22 17:13:16 UTC
[jira] [Commented] (LUCENE-4419) Test RecursivePrefixTree indexing
non-point data
[ https://issues.apache.org/jira/browse/LUCENE-4419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610458#comment-13610458 ]
Commit Tag Bot commented on LUCENE-4419:
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[branch_4x commit] David Wayne Smiley
http://svn.apache.org/viewvc?view=revision&revision=1418011
LUCENE-4419: Test indexing non-point shapes; and add SpatialOperation.evaluate(s1,s2)
> Test RecursivePrefixTree indexing non-point data
> ------------------------------------------------
>
> Key: LUCENE-4419
> URL: https://issues.apache.org/jira/browse/LUCENE-4419
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/spatial
> Reporter: David Smiley
> Assignee: David Smiley
> Fix For: 4.1, 5.0
>
> Attachments: LUCENE-4419_Test_indexing_non-point_shapes.patch
>
>
> RecursivePrefixTreeFilter was modified in ~July 2011 to support spatial filtering of non-point indexed shapes. It seems to work when playing with the capability but it isn't tested. It really needs to be as this is a major feature.
> I imagine an approach in which some randomly generated rectangles are indexed and then a randomly generated rectangle is queried. The right answer can be calculated brute-force and then compared with the filter. In order to deal with shape imprecision, the randomly generated shapes could be generated to fit a course grid (e.g. round everything to a 1 degree interval).
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