# Package org.apache.lucene.spatial.util

Various spatial utilities.

See: Description

Class Summary
Class | Description
--- | ---
CachingDoubleValueSource | Caches the doubleVal of another value source in a HashMap so that it is computed only once.
ShapeFieldCache<T extends com.spatial4j.core.shape.Shape> | Bounded Cache of Shapes associated with docIds.
ShapeFieldCacheDistanceValueSource | An implementation of the Lucene ValueSource that returns the spatial distance between an input point and a document's points in `ShapeFieldCacheProvider`.
ShapeFieldCacheProvider<T extends com.spatial4j.core.shape.Shape> | Provides access to a `ShapeFieldCache` for a given `AtomicReader`.
ValueSourceFilter | Filter that matches all documents where a ValueSource is in between a range of `min` and `max` inclusive.

## Package org.apache.lucene.spatial.util Description

Various spatial utilities.