GEOS  3.9.0dev
Public Member Functions | List of all members
geos::index::strtree::ItemDistance Class Referenceabstract

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

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
IllegalArgumentExceptionif the metric is not applicable to the arguments

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