com.revolsys.jts.index.bintree

Class Key

java.lang.Object

com.revolsys.jts.index.bintree.Key

public class Key
extends Object

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

Version:

1.7

Constructor Summary

Constructors

Constructor and Description
Key(Interval interval)

Method Summary

Methods

Modifier and Type	Method and Description
void	computeKey(Interval itemInterval) return a square envelope containing the argument envelope, whose extent is a power of two and which is based at a power of 2
static int	computeLevel(Interval interval)
Interval	getInterval()
int	getLevel()
double	getPoint()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Key

public Key(Interval interval)

Method Detail

computeLevel

public static int computeLevel(Interval interval)

computeKey

public void computeKey(Interval itemInterval)

return a square envelope containing the argument envelope, whose extent is a power of two and which is based at a power of 2

getInterval

public Interval getInterval()

getLevel

public int getLevel()

getPoint

public double getPoint()