org.datasyslab.geospark.spatialOperator

Class KNNQuery

java.lang.Object

org.datasyslab.geospark.spatialOperator.KNNQuery

All Implemented Interfaces:

Serializable

public class KNNQuery
extends Object
implements Serializable

The Class KNNQuery.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KNNQuery()

Method Summary

Modifier and Type	Method and Description
static List<com.vividsolutions.jts.geom.LineString>	SpatialKnnQuery(LineStringRDD spatialRDD, com.vividsolutions.jts.geom.Point originalQueryWindow, Integer k, boolean useIndex) Spatial knn query.
static List<com.vividsolutions.jts.geom.Point>	SpatialKnnQuery(PointRDD spatialRDD, com.vividsolutions.jts.geom.Point originalQueryWindow, Integer k, boolean useIndex) Spatial knn query.
static List<com.vividsolutions.jts.geom.Polygon>	SpatialKnnQuery(PolygonRDD spatialRDD, com.vividsolutions.jts.geom.Point originalQueryWindow, Integer k, boolean useIndex) Spatial knn query.
static List<com.vividsolutions.jts.geom.Polygon>	SpatialKnnQuery(RectangleRDD spatialRDD, com.vividsolutions.jts.geom.Point originalQueryWindow, Integer k, boolean useIndex) Spatial knn query.

Methods inherited from class java.lang.Object

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

Constructor Detail

KNNQuery

public KNNQuery()

Method Detail

SpatialKnnQuery

public static List<com.vividsolutions.jts.geom.Point> SpatialKnnQuery(PointRDD spatialRDD,
                                                                      com.vividsolutions.jts.geom.Point originalQueryWindow,
                                                                      Integer k,
                                                                      boolean useIndex)

Spatial knn query.

Parameters:

spatialRDD - the spatial RDD

originalQueryWindow - the original query window

k - the k

useIndex - the use index

Returns:

the list

SpatialKnnQuery

public static List<com.vividsolutions.jts.geom.Polygon> SpatialKnnQuery(RectangleRDD spatialRDD,
                                                                        com.vividsolutions.jts.geom.Point originalQueryWindow,
                                                                        Integer k,
                                                                        boolean useIndex)

Spatial knn query.

Parameters:

spatialRDD - the spatial RDD

originalQueryWindow - the original query window

k - the k

useIndex - the use index

Returns:

the list

SpatialKnnQuery

public static List<com.vividsolutions.jts.geom.Polygon> SpatialKnnQuery(PolygonRDD spatialRDD,
                                                                        com.vividsolutions.jts.geom.Point originalQueryWindow,
                                                                        Integer k,
                                                                        boolean useIndex)

Spatial knn query.

Parameters:

spatialRDD - the spatial RDD

originalQueryWindow - the original query window

k - the k

useIndex - the use index

Returns:

the list

SpatialKnnQuery

public static List<com.vividsolutions.jts.geom.LineString> SpatialKnnQuery(LineStringRDD spatialRDD,
                                                                           com.vividsolutions.jts.geom.Point originalQueryWindow,
                                                                           Integer k,
                                                                           boolean useIndex)

Spatial knn query.

Parameters:

spatialRDD - the spatial RDD

originalQueryWindow - the original query window

k - the k

useIndex - the use index

Returns:

the list