bbox filter returns wrong result under special circumstances
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                 Key: GEOT-3506
                 URL: http://jira.codehaus.org/browse/GEOT-3506
             Project: GeoTools
          Issue Type: Bug
          Components: data arcsde
    Affects Versions: 2.7-RC2
            Reporter: Rudi Hochmeister
            Assignee: Gabriel Roldán
         Attachments: bbox-result.png, getFeature.xml

BBOX Filter encoding in ArcSDE datastore is not OGC conform and does return
wrong results in some special cases like:
When a complete outer geometry has an envelope that interacts with bounding 
box, 
it's included in the result. (please see the attached image for a more clear 
description.)

OGC says BBOX is equal to 'Not Disjoint' expression.
But ArcSDE datastore uses geometry envelope comparison on bounding box.

Is this an optimization for better performance?

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