ch.hsr.geohash.queries

Class GeoHashCircleQuery

java.lang.Object

ch.hsr.geohash.queries.GeoHashCircleQuery

All Implemented Interfaces:

GeoHashQuery, java.io.Serializable

public class GeoHashCircleQuery
extends java.lang.Object
implements GeoHashQuery, java.io.Serializable

represents a radius search around a specific point via geohashes. Approximates the circle with a square!

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GeoHashCircleQuery(WGS84Point center, double radius) create a GeoHashCircleQuery with the given center point and a radius in meters.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	contains(GeoHash hash) check wether a geohash is within the hashes that make up this query.
boolean	contains(WGS84Point point) returns whether a point lies within a query.
java.util.List<GeoHash>	getSearchHashes() should return the hashes that re required to perform this search.
java.lang.String	getWktBox()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GeoHashCircleQuery

public GeoHashCircleQuery(WGS84Point center,
                  double radius)

create a GeoHashCircleQuery with the given center point and a radius in meters.

Method Detail

contains

public boolean contains(GeoHash hash)

Description copied from interface: GeoHashQuery

check wether a geohash is within the hashes that make up this query.

Specified by:

contains in interface GeoHashQuery

getWktBox

public java.lang.String getWktBox()

Specified by:

getWktBox in interface GeoHashQuery

getSearchHashes

public java.util.List<GeoHash> getSearchHashes()

Description copied from interface: GeoHashQuery

should return the hashes that re required to perform this search.

Specified by:

getSearchHashes in interface GeoHashQuery

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

contains

public boolean contains(WGS84Point point)

Description copied from interface: GeoHashQuery

returns whether a point lies within a query.

Specified by:

contains in interface GeoHashQuery