# Uses of Package
org.apache.lucene.geo

- Packages that use org.apache.lucene.geo
  Package | Description
  --- | ---
  org.apache.lucene.document | The logical representation of a `Document` for indexing and searching.
  org.apache.lucene.geo | Geospatial Utility Implementations for Lucene Core

- Classes in org.apache.lucene.geo used by org.apache.lucene.document
  Class and Description
  Polygon Represents a closed polygon on the earth's surface.

- Classes in org.apache.lucene.geo used by org.apache.lucene.geo
  Class and Description
  Component2D 2D Geometry object that supports spatial relationships with bounding boxes, triangles and points.
  Component2D.WithinRelation Used by withinTriangle to check the within relationship between a triangle and the query shape (e.g.
  EdgeTree Internal tree node: represents geometry edge from lat1,lon1 to lat2,lon2.
  GeoEncodingUtils.DistancePredicate A predicate that checks whether a given point is within a distance of another point.
  GeoEncodingUtils.PolygonPredicate A predicate that checks whether a given point is within a polygon.
  GeoUtils.WindingOrder used to define the orientation of 3 points -1 = Clockwise 0 = Colinear 1 = Counter-clockwise
  Polygon Represents a closed polygon on the earth's surface.
  Rectangle Represents a lat/lon rectangle.

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