com.revolsys.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

Methods

Modifier and Type	Method and Description
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:

IllegalArgumentException - if the metric is not applicable to the arguments