David Smiley created LUCENE-4895:
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             Summary: Implement Spatial "disjoint" predicate.
                 Key: LUCENE-4895
                 URL: https://issues.apache.org/jira/browse/LUCENE-4895
             Project: Lucene - Core
          Issue Type: New Feature
          Components: modules/spatial
            Reporter: David Smiley
            Assignee: David Smiley
            Priority: Minor
             Fix For: 4.3


The "IsDisjointTo" SpatialOperation is not implemented for 
RecursivePrefixTreeStrategy and some/all others(?). It has been very low 
priority because it is simply the inverse of "Intersects" which is universally 
implemented on the SpatialStrategy implementations.  

* Should spatial "disjoint" count documents that have no spatial data?
* Arguably, there should be one implementation amongst the SpatialStrategies 
implemented in terms of "Intersects"; this way each strategy need not deal with 
it.

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