geos::index::strtree::ItemDistance Class Reference

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

#include <ItemDistance.h>

Inherited by geos::index::strtree::GeometryItemDistance.

Public Member Functions
virtual double	distance (const ItemBoundable *item1, const ItemBoundable *item2)=0
	Computes the distance between two items. More...

Detailed Description

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

Author

Martin Davis

Member Function Documentation

distance()

virtual double geos::index::strtree::ItemDistance::distance ( const ItemBoundable *  item1, const ItemBoundable *  item2  )

pure virtual

Computes the distance between two items.

Parameters

item1
item2

Returns

the distance between the items

Exceptions

IllegalArgumentException

if the metric is not applicable to the arguments

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The documentation for this class was generated from the following file:

• ItemDistance.h