public class Key
extends java.lang.Object
Modifier and Type | Field and Description |
---|---|
private Envelope |
env |
private int |
level |
private Coordinate |
pt |
Modifier and Type | Method and Description |
---|---|
void |
computeKey(Envelope itemEnv)
return a square envelope containing the argument envelope,
whose extent is a power of two and which is based at a power of 2
|
private void |
computeKey(int level,
Envelope itemEnv) |
static int |
computeQuadLevel(Envelope env) |
Coordinate |
getCentre() |
Envelope |
getEnvelope() |
int |
getLevel() |
Coordinate |
getPoint() |
private Coordinate pt
private int level
private Envelope env
public Key(Envelope itemEnv)
public static int computeQuadLevel(Envelope env)
public Coordinate getPoint()
public int getLevel()
public Envelope getEnvelope()
public Coordinate getCentre()
public void computeKey(Envelope itemEnv)
private void computeKey(int level, Envelope itemEnv)