edu.uci.ics.jung.algorithms.layout
Class RadialTreeLayout<V,E>

java.lang.Object
  edu.uci.ics.jung.algorithms.layout.TreeLayout<V,E>
      edu.uci.ics.jung.algorithms.layout.RadialTreeLayout<V,E>

All Implemented Interfaces:

Layout<V,E>, org.apache.commons.collections15.Transformer<V,Point2D>

public class RadialTreeLayout<V,E>
extends TreeLayout<V,E>

A radial layout for Tree or Forest graphs.

Author:

Tom Nelson

Field Summary

protected Map<V,PolarPoint>

polarLocations

Fields inherited from class edu.uci.ics.jung.algorithms.layout.TreeLayout

alreadyDone, basePositions, DEFAULT_DISTX, DEFAULT_DISTY, distX, distY, graph, locations, m_currentPoint, size

Constructor Summary

RadialTreeLayout(Forest<V,E> g)
Creates an instance for the specified graph with default X and Y distances.

RadialTreeLayout(Forest<V,E> g, int distx)
Creates an instance for the specified graph and X distance with default Y distance.

RadialTreeLayout(Forest<V,E> g, int distx, int disty)
Creates an instance for the specified graph, X distance, and Y distance.

Method Summary

protected void	buildTree()
Map<V,PolarPoint>	getPolarLocations() Returns the map from vertices to their locations in polar coordinates.
protected void	setCurrentPositionFor(V vertex)
void	setLocation(V v, Point2D location) set the location of a vertex
void	setSize(Dimension size) This method is not supported by this class.
Point2D	transform(V v)

Methods inherited from class edu.uci.ics.jung.algorithms.layout.TreeLayout

buildTree, getCenter, getGraph, getSize, initialize, isLocked, lock, reset, setGraph, setInitializer

Methods inherited from class java.lang.Object

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

Field Detail

polarLocations

protected Map<V,PolarPoint> polarLocations

Constructor Detail

RadialTreeLayout

public RadialTreeLayout(Forest<V,E> g)

Creates an instance for the specified graph with default X and Y distances.

RadialTreeLayout

public RadialTreeLayout(Forest<V,E> g,
                        int distx)

Creates an instance for the specified graph and X distance with default Y distance.

RadialTreeLayout

public RadialTreeLayout(Forest<V,E> g,
                        int distx,
                        int disty)

Creates an instance for the specified graph, X distance, and Y distance.

Method Detail

buildTree

protected void buildTree()

Overrides:

buildTree in class TreeLayout<V,E>

setSize

public void setSize(Dimension size)

Description copied from class: TreeLayout

This method is not supported by this class. The size of the layout is determined by the topology of the tree, and by the horizontal and vertical spacing (optionally set by the constructor).

Specified by:

setSize in interface Layout<V,E>

Overrides:

setSize in class TreeLayout<V,E>

setCurrentPositionFor

protected void setCurrentPositionFor(V vertex)

Overrides:

setCurrentPositionFor in class TreeLayout<V,E>

setLocation

public void setLocation(V v,
                        Point2D location)

Description copied from interface: Layout

set the location of a vertex

Specified by:

setLocation in interface Layout<V,E>

Overrides:

setLocation in class TreeLayout<V,E>

getPolarLocations

public Map<V,PolarPoint> getPolarLocations()

Returns the map from vertices to their locations in polar coordinates.

transform

public Point2D transform(V v)

Specified by:

transform in interface org.apache.commons.collections15.Transformer<V,Point2D>

Overrides:

transform in class TreeLayout<V,E>