geos::index::quadtree::Key Class Reference

A Key is a unique identifier for a node in a quadtree. More...

#include <Key.h>

List of all members.

Public Member Functions

 Key (geom::Envelope *itemEnv)
geom::CoordinategetPoint ()
int getLevel ()
geom::EnvelopegetEnvelope ()
geom::CoordinategetCentre ()
void computeKey (geom::Envelope *itemEnv)

Static Public Member Functions

static int computeQuadLevel (geom::Envelope *env)


Detailed Description

A Key is a unique identifier for a node in a quadtree.

It contains a lower-left point and a level number. The level number is the power of two for the size of the node envelope


The documentation for this class was generated from the following file:
Generated on Fri Mar 27 04:53:38 2009 for GEOS by  doxygen 1.5.4