infovis.graph.visualization.layout
Class GraphVizLayout

java.lang.Object
  infovis.graph.GraphProxy
      infovis.graph.visualization.layout.AbstractGraphLayout
          infovis.graph.visualization.layout.GraphVizLayout

All Implemented Interfaces:

Graph, NodeLinkGraphLayout, Metadata, Constants, Layout

public class GraphVizLayout
extends AbstractGraphLayout

Class GraphVizLayout uses AT&T GraphViz programs to perform the layout.

Version:

$Revision: 1.16 $

Author:

Jean-Daniel Fekete

InfoVis factory arguments:

GraphLayoutFactory "GraphViz/twopi" twopi, GraphLayoutFactory "GraphViz/dot" dot, GraphLayoutFactory "GraphViz/neato" neato, GraphLayoutFactory "GraphViz/circo" circo, GraphLayoutFactory "GraphViz/fdp" fdp

Field Summary

Fields inherited from class infovis.graph.visualization.layout.AbstractGraphLayout

COLUMN_FIXED

Fields inherited from interface infovis.Graph

GRAPH_TYPE, GRAPH_TYPE_DIRECTED, GRAPH_TYPE_UNDIRECTED, NIL

Fields inherited from interface infovis.metadata.Constants

CONTRIBUTOR, COVERAGE, CREATOR, DATE, DESCRITION, FORMAT, IDENTIFIER, LANGUAGE, PUBLISHER, RELATION, RIGHTS, SOURCE, SUBJECT, TITLE, TYPE

Constructor Summary

GraphVizLayout()

GraphVizLayout(String layoutProgram)

Method Summary

void	computeShapes(Rectangle2D bounds, NodeLinkGraphVisualization vis)
String	getLayoutProgram()
String	getLayoutRatio()
String	getName() Returns the Graph name.
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.
void	setLayoutProgram(String program)
void	setLayoutRatio(String string)

Methods inherited from class infovis.graph.visualization.layout.AbstractGraphLayout

computeShapes, createRect, getBounds, getLinkShapes, getOrientation, getParent, getRectAt, getShapes, getVisualization, incrementLayout, initRect, isFinished, setRectSizeAt, setShapeAt

Methods inherited from class infovis.graph.GraphProxy

addEdge, addGraphChangedListener, addVertex, clear, edgeIterator, edgeIterator, findEdge, getClientProperty, getDegree, getEdge, getEdgesCount, getEdgeTable, getFirstVertex, getGraph, getInDegree, getInEdgeAt, getMetadata, getOtherVertex, getOutDegree, getOutEdgeAt, getSecondVertex, getVertexTable, getVerticesCount, inEdgeIterator, isDirected, outEdgeIterator, removeEdge, removeGraphChangedListener, removeVertex, setDirected, setGraph, setName, vertexIterator

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphVizLayout

public GraphVizLayout()

GraphVizLayout

public GraphVizLayout(String layoutProgram)

Method Detail

getName

public String getName()

Description copied from interface: Graph

Returns the Graph name.

Specified by:

getName in interface Graph

Specified by:

getName in interface Layout

Overrides:

getName in class GraphProxy

Returns:

the Graph name.

computeShapes

public void computeShapes(Rectangle2D bounds,
                          NodeLinkGraphVisualization vis)

Overrides:

computeShapes in class AbstractGraphLayout

getLayoutProgram

public String getLayoutProgram()

setLayoutProgram

public void setLayoutProgram(String program)

getLayoutRatio

public String getLayoutRatio()

setLayoutRatio

public void setLayoutRatio(String string)

invalidate

public void invalidate(Visualization vis)

Description copied from interface: Layout

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 AbstractGraphLayout

Parameters:

vis - the visualization.

getPreferredSize

public Dimension getPreferredSize(Visualization vis)

Description copied from interface: Layout

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

Specified by:

getPreferredSize in interface Layout

Overrides:

getPreferredSize in class AbstractGraphLayout

Parameters:

vis - the visualization

Returns:

the preferred size for this layout and this visualization.