org.apache.lucene.geo

Class GeoEncodingUtils.PolygonPredicate

java.lang.Object

org.apache.lucene.geo.GeoEncodingUtils.Grid

org.apache.lucene.geo.GeoEncodingUtils.PolygonPredicate

Enclosing class:

GeoEncodingUtils

public static class GeoEncodingUtils.PolygonPredicate
extends GeoEncodingUtils.Grid

A predicate that checks whether a given point is within a polygon.

Field Summary

Fields

Modifier and Type	Field and Description
private Polygon2D	tree

Fields inherited from class org.apache.lucene.geo.GeoEncodingUtils.Grid

ARITY, latBase, latShift, lonBase, lonShift, maxLatDelta, maxLonDelta, relations

Constructor Summary

Constructors

Modifier	Constructor and Description
private	PolygonPredicate(int latShift, int lonShift, int latBase, int lonBase, int maxLatDelta, int maxLonDelta, byte[] relations, Polygon2D tree)

Method Summary

Modifier and Type	Method and Description
boolean	test(int lat, int lon) Check whether the given point is within the considered polygon.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

tree

private final Polygon2D tree

Constructor Detail

PolygonPredicate

private PolygonPredicate(int latShift,
                         int lonShift,
                         int latBase,
                         int lonBase,
                         int maxLatDelta,
                         int maxLonDelta,
                         byte[] relations,
                         Polygon2D tree)

Method Detail

test

public boolean test(int lat,
                    int lon)

Check whether the given point is within the considered polygon. NOTE: this operates directly on the encoded representation of points.