gov.nasa.worldwind.util

Class PolylineGeneralizer

java.lang.Object

gov.nasa.worldwind.util.PolylineGeneralizer

public class PolylineGeneralizer
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	PolylineGeneralizer.Element

Field Summary

Fields

Modifier and Type	Field and Description
protected PolylineGeneralizer.Element[]	heap
protected int	heapSize
protected double[]	vertexArea
protected int	vertexCount

Constructor Summary

Constructors

Constructor and Description
PolylineGeneralizer()

Method Summary

Modifier and Type	Method and Description
void	addVertex(double x, double y, double z)
void	beginPolyline()
protected double	computeEffectiveArea(PolylineGeneralizer.Element e)
protected void	computeEliminationArea()
protected void	computeInitialArea()
void	endPolyline()
int	getVertexCount()
double[]	getVertexEffectiveArea(double[] array)
protected void	heapify()
protected PolylineGeneralizer.Element	pop()
void	reset()
protected void	siftDown(int k, PolylineGeneralizer.Element x)
protected void	siftUp(int k, PolylineGeneralizer.Element x)
protected void	updateEffectiveArea(PolylineGeneralizer.Element e)

Methods inherited from class java.lang.Object

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

Field Detail

heap

protected PolylineGeneralizer.Element[] heap

heapSize

protected int heapSize

vertexArea

protected double[] vertexArea

vertexCount

protected int vertexCount

Constructor Detail

PolylineGeneralizer

public PolylineGeneralizer()

Method Detail

addVertex

public void addVertex(double x,
                      double y,
                      double z)

beginPolyline

public void beginPolyline()

computeEffectiveArea

protected double computeEffectiveArea(PolylineGeneralizer.Element e)

computeEliminationArea

protected void computeEliminationArea()

computeInitialArea

protected void computeInitialArea()

endPolyline

public void endPolyline()

getVertexCount

public int getVertexCount()

getVertexEffectiveArea

public double[] getVertexEffectiveArea(double[] array)

heapify

protected void heapify()

pop

protected PolylineGeneralizer.Element pop()

reset

public void reset()

siftDown

protected void siftDown(int k,
                        PolylineGeneralizer.Element x)

siftUp

protected void siftUp(int k,
                      PolylineGeneralizer.Element x)

updateEffectiveArea

protected void updateEffectiveArea(PolylineGeneralizer.Element e)