infovis.tree.visualization.nodelink
Class RTLayout

java.lang.Object
  infovis.tree.visualization.NodeLinkTreeLayout
      infovis.tree.visualization.nodelink.RTLayout

All Implemented Interfaces:

Layout, Orientable, SwingConstants

Direct Known Subclasses:

RTPolar

public class RTLayout
extends NodeLinkTreeLayout
implements Orientable

Implements the Reingold and Tilford Tree Layout. E.M. Reingold and J.S. Tilford, "Tidier Drawings of Trees", "IEEE Transactions on Software Engineering" pages "223--228" 1981

Version:

$Revision: 1.7 $

Author:

Jean-Daniel Fekete

InfoVis factory arguments:

TreeLayoutFactory "Reingold&Tilford"

Field Summary

Fields inherited from interface infovis.visualization.Orientable

DIRECTION, NAME, ORIENTATION_CENTER, ORIENTATION_EAST, ORIENTATION_INVALID, ORIENTATION_NORTH, ORIENTATION_SOUTH, ORIENTATION_WEST, SQRT2

Fields inherited from interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Constructor Summary

RTLayout()
Constructor.

Method Summary

void	computeShapes(Rectangle2D bounds, NodeLinkTreeVisualization vis) Performs the actual computation of the layout.
String	getName() Returns the name of the layout algorithm.
Dimension	getPreferredSize(Visualization vis) Computes and return the preferred size for this layout and this visualization.
void	invalidate(Visualization vis) Invalidate the cached state of the layout. Call this method from the visualization when it gets invalidated.

Methods inherited from class infovis.tree.visualization.NodeLinkTreeLayout

childrenIterator, computeShapes, findRectAt, getFirstChild, getLevelSeparation, getOrientation, getParent, getRectAt, getSiblingSeparation, getSubtreeSeparation, isLeaf, iterator, setLevelSeparation, setOrientation, setRectSizeAt, setShapeAt, setSiblingSeparation, setSubtreeSeparation

Methods inherited from class java.lang.Object

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

Methods inherited from interface infovis.visualization.Orientable

getOrientation, setOrientation

Constructor Detail

RTLayout

public RTLayout()

Constructor.

Method Detail

getName

public String getName()

Returns the name of the layout algorithm.

Specified by:

getName in interface Layout

Returns:

the name of the layout algorithm

invalidate

public void invalidate(Visualization vis)

Invalidate the cached state of the layout.

Call this method from the visualization when it gets invalidated.

Specified by:

invalidate in interface Layout

Overrides:

invalidate in class NodeLinkTreeLayout

Parameters:

vis - the visualization.

getPreferredSize

public Dimension getPreferredSize(Visualization vis)

Computes and return the preferred size for this layout and this visualization.

Specified by:

getPreferredSize in interface Layout

Overrides:

getPreferredSize in class NodeLinkTreeLayout

Parameters:

vis - the visualization

Returns:

the preferred size for this layout and this visualization.

computeShapes

public void computeShapes(Rectangle2D bounds,
                          NodeLinkTreeVisualization vis)

Performs the actual computation of the layout.

Specified by:

computeShapes in class NodeLinkTreeLayout

Parameters:

bounds - the visualization bounds

vis - the visualization