com.vividsolutions.jts.index.strtree
Interface ItemDistance

All Known Implementing Classes:

GeometryItemDistance

public interface ItemDistance

A function method which computes the distance between two ItemBoundables in an STRtree. Used for Nearest Neighbour searches.

Author:

Martin Davis

Method Summary

double

distance(ItemBoundable item1, ItemBoundable item2) Computes the distance between two items.

Method Detail

distance

double distance(ItemBoundable item1,
                ItemBoundable item2)

Computes the distance between two items.

Parameters:

item1 -

item2 -

Returns:

the distance between the items

Throws:

java.lang.IllegalArgumentException - if the metric is not applicable to the arguments