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:
IllegalArgumentException - if the metric is not applicable to the arguments


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