com.hp.hpl.guess.layout
Class Spring

java.lang.Object
  edu.uci.ics.jung.visualization.AbstractLayout
      com.hp.hpl.guess.layout.Spring

All Implemented Interfaces:

ChangeEventSupport, Layout, VertexLocationFunction

public class Spring

extends AbstractLayout

seperate layout thread

Author:

Eytan Adar, Joshua Tyler Copyright (c) 2003, Hewlett Packard Labs All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the Hewlett Packard nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE TRUSTEES OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Field Summary

boolean	done
static double	GRAVITY_REPULSION
static double	SPRING_NATURAL_LENGTH
static double	SPRING_STIFFNESS

Constructor Summary

Spring(Graph g)

Method Summary

void	advancePositions()
Coordinates	getCoordinates(Node v)
double	getX(Vertex n)
double	getY(Vertex n)
boolean	incrementsAreDone()
void	initialize_local_vertex(Vertex v)
void	initialize_local()
boolean	isIncremental()

Methods inherited from class edu.uci.ics.jung.visualization.AbstractLayout

addChangeListener, applyFilter, dontMove, fireStateChanged, forceMove, getBaseKey, getChangeListeners, getCoordinates, getCurrentSize, getEdge, getEdge, getGraph, getLocation, getStatus, getVertex, getVertex, getVertexIterator, getVisibleEdges, getVisibleVertices, initialize, initialize, lockVertex, removeChangeListener, resize, restart, unlockVertex

Methods inherited from class java.lang.Object

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

Field Detail

SPRING_NATURAL_LENGTH

public static double SPRING_NATURAL_LENGTH

SPRING_STIFFNESS

public static double SPRING_STIFFNESS

GRAVITY_REPULSION

public static double GRAVITY_REPULSION

done

public boolean done

Constructor Detail

Spring

public Spring(Graph g)

Method Detail

advancePositions

public void advancePositions()

getX

public double getX(Vertex n)

getY

public double getY(Vertex n)

getCoordinates

public Coordinates getCoordinates(Node v)

incrementsAreDone

public boolean incrementsAreDone()

initialize_local_vertex

public void initialize_local_vertex(Vertex v)

initialize_local

public void initialize_local()

isIncremental

public boolean isIncremental()