org.geotools.geometry.iso.topograph2D.index
Class SweepLineEvent

Object
  SweepLineEvent

All Implemented Interfaces:

Comparable

public class SweepLineEvent
extends Object
implements Comparable

Models an Event point within the Sweep Line Intersection Algorithm

Field Summary

static int	DELETE
static int	INSERT

Constructor Summary

SweepLineEvent(Object edgeSet, double x, SweepLineEvent insertEvent, Object obj)

Method Summary

int	compareTo(Object o) ProjectionEvents are ordered first by their x-value, and then by their eventType.
int	getDeleteEventIndex()
SweepLineEvent	getInsertEvent()
Object	getObject()
boolean	isDelete()
boolean	isInsert()
void	setDeleteEventIndex(int deleteEventIndex)

Methods inherited from class Object

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

Field Detail

INSERT

public static final int INSERT

See Also:

Constant Field Values

DELETE

public static final int DELETE

See Also:

Constant Field Values

Constructor Detail

SweepLineEvent

public SweepLineEvent(Object edgeSet,
                      double x,
                      SweepLineEvent insertEvent,
                      Object obj)

Parameters:

edgeSet -

x -

insertEvent -

obj -

Method Detail

isInsert

public boolean isInsert()

isDelete

public boolean isDelete()

getInsertEvent

public SweepLineEvent getInsertEvent()

getDeleteEventIndex

public int getDeleteEventIndex()

setDeleteEventIndex

public void setDeleteEventIndex(int deleteEventIndex)

getObject

public Object getObject()

compareTo

public int compareTo(Object o)

ProjectionEvents are ordered first by their x-value, and then by their eventType. It is important that Insert events are sorted before Delete events, so that items whose Insert and Delete events occur at the same x-value will be correctly handled.

Specified by:

compareTo in interface Comparable