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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5062) Spatial CONTAINS is sometimes incorrect for overlapped indexed shapes
Date Mon, 17 Jun 2013 06:23:19 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13685011#comment-13685011
] 

David Smiley commented on LUCENE-5062:
--------------------------------------

This test demonstrates the problem (place in SpatialOpRecursivePrefixTreeTest):
{code}
  public void testContainsPairOverlap() throws IOException {
    mySetup(7);
    adoc("0", new ShapePair(ctx.makeRectangle(60, 70, 35, 63), ctx.makeRectangle(10, 60, 35,
63), true));
    commit();
    Query query = strategy.makeQuery(new SpatialArgs(SpatialOperation.Contains,
        ctx.makeRectangle(50, 65, 40, 60)));
    SearchResults searchResults = executeQuery(query, 1);
    assertEquals(1, searchResults.numFound);
  }
{code}
                
> Spatial CONTAINS is sometimes incorrect for overlapped indexed shapes
> ---------------------------------------------------------------------
>
>                 Key: LUCENE-5062
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5062
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/spatial
>    Affects Versions: 4.3
>            Reporter: David Smiley
>            Assignee: David Smiley
>
> If the spatial data for a document is comprised of multiple overlapping or adjacent parts,
it _might_ fail to match a query shape when doing the CONTAINS predicate when the sum of those
shapes contain the query shape but none do individually.

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