David Smiley created LUCENE-6362:
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Summary: Differentiate within/approx SpatialPrefixTree leaf cells
Key: LUCENE-6362
URL: https://issues.apache.org/jira/browse/LUCENE-6362
Project: Lucene - Core
Issue Type: Improvement
Components: modules/spatial
Reporter: David Smiley
Assignee: David Smiley
This patch enables indexed cells to be differentiated between those that are
completely within the shape that was indexed, and those on the edge
(intersects, not within) but reached a precision threshold. The point of this
differentiation is to be used by the two-phase optimized predicates in
LUCENE-5579 to be able to avoid an expensive geometry check for accuracy, in
more cases than it is able to without this differentiation. In particular, if
the query shape is _within_ an indexed shape, then this cell differentiation
will enable a predicate to observe that without doing a geometry check.
_note:_ patch here is moved from LUCENE-5579 as this is really an add-on
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