David Smiley created LUCENE-4388:
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Summary: ShapeMatcher and ShapeValues
Key: LUCENE-4388
URL: https://issues.apache.org/jira/browse/LUCENE-4388
Project: Lucene - Core
Issue Type: New Feature
Components: modules/spatial
Reporter: David Smiley
This patch provides two key interfaces: ShapeMatcher and ShapeValues. The
ShapeMatcher concept is borrowed from [~ryantxu]'s JtsGeoStrategy which has a
similar GeometryTester. ShapeValues is basically a ValueSource/FunctionValues
for shapes. This isn't working; I didn't modify any existing classes.
I haven't completely thought this through but a SpatialStrategy might expose a
makeShapeValues(IndexReader) and/or makeCenterShapeValues(IndexReader) (the
latter is the center points of indexed data). A generic Distance ValueSource
could easily be implemented in terms of makeCenterShapeValues(). And a
strategy could support any query shape simply by implementing makeShapeValues().
I've been thinking about how the API handles strategies supporting indexing
multiple shapes and I wonder if that could happen simply via a new
MultiShape<Shape>.
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