org.aksw.limes.core.measures.mapper.pointsets

Class PolygonIndex

java.lang.Object

org.aksw.limes.core.measures.mapper.pointsets.PolygonIndex

Direct Known Subclasses:

CentroidIndex

public class PolygonIndex
extends Object

Author:

Axel-C. Ngonga Ngomo (ngonga@informatik.uni-leipzig.de)

Field Summary

Fields

Modifier and Type	Field and Description
int	computations
Map<String,Map<Point,Map<Point,Double>>>	distanceIndex
Map<String,Polygon>	polygonIndex

Constructor Summary

Constructors

Constructor and Description
PolygonIndex()

Method Summary

Modifier and Type	Method and Description
double	getDistance(String uri, Point x, Point y) Returns the distances between two points x and y from the polygon with label uri Returns -1 if nothing is found
void	index(Polygon p) Indexes the distances between the points in a given polygon and adds polygon to list of indexes
void	index(Set<Polygon> polygons) Indexes a list of polygons by mapping the uri of each polygon to the corresponding distanceIndex
String	toString() String representation of the polygon index

Methods inherited from class java.lang.Object

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

Field Detail

distanceIndex

public Map<String,Map<Point,Map<Point,Double>>> distanceIndex

polygonIndex

public Map<String,Polygon> polygonIndex

computations

public int computations

Constructor Detail

PolygonIndex

public PolygonIndex()

Method Detail

toString

public String toString()

String representation of the polygon index

Overrides:

toString in class Object

Returns:

polygon index, as a string

index

public void index(Set<Polygon> polygons)

Indexes a list of polygons by mapping the uri of each polygon to the corresponding distanceIndex

Parameters:

polygons - to be indexed

index

public void index(Polygon p)

Indexes the distances between the points in a given polygon and adds polygon to list of indexes

Parameters:

p - Input polygon

getDistance

public double getDistance(String uri,
                          Point x,
                          Point y)

Returns the distances between two points x and y from the polygon with label uri Returns -1 if nothing is found

Parameters:

uri - Label of the polygon

x - First point from the polygon

y - Second point from the polygon

Returns:

Distance between x and y