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java.lang.Objectedu.uci.ics.jung.visualization.AbstractLayout
edu.uci.ics.jung.visualization.FRLayout
public class FRLayout
Implements the Fruchterman-Reingold algorithm for node layout.
Nested Class Summary | |
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static class |
FRLayout.FRVertexData
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Field Summary |
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Fields inherited from class edu.uci.ics.jung.visualization.AbstractLayout |
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changeSupport, vertex_locations |
Constructor Summary | |
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FRLayout(Graph g)
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Method Summary | |
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void |
advancePositions()
Moves the iteration forward one notch, calculation attraction and repulsion between vertices and edges and cooling the temperature. |
void |
calcAttraction(Edge e)
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void |
calcPositions(Vertex v)
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void |
calcRepulsion(Vertex v1)
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void |
forceMove(Vertex picked,
double x,
double y)
Forcibly moves a vertex to the (x,y) location by setting its x and y locations to the inputted location. |
FRLayout.FRVertexData |
getFRData(Vertex v)
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Object |
getKey()
Returns a visualization-specific key (that is, specific both to this instance and AbstractLayout) that can be used to access UserData related to the AbstractLayout. |
String |
getStatus()
Returns the current temperature and number of iterations elapsed, as a string. |
boolean |
incrementsAreDone()
Returns true once the current iteration has passed the maximum count, MAX_ITERATIONS. |
protected void |
initialize_local_vertex(Vertex v)
Initializes the local information on a single vertex. |
protected void |
initialize_local()
Initializes all local information, and is called immediately within the initialize() process. |
boolean |
isIncremental()
This one is an incremental visualization. |
void |
setAttractionMultiplier(double attraction)
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void |
setMaxIterations(int maxIterations)
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void |
setRepulsionMultiplier(double repulsion)
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void |
update()
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Methods inherited from class edu.uci.ics.jung.visualization.AbstractLayout |
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addChangeListener, applyFilter, dontMove, fireStateChanged, getAVertex, getBaseKey, getChangeListeners, getCoordinates, getCurrentSize, getEdge, getEdge, getGraph, getLocation, getVertex, getVertex, getVertexIterator, getVisibleEdges, getVisibleGraph, getVisibleVertices, getX, getY, initialize, initialize, initializeLocation, initializeLocations, isLocked, lockVertex, offsetVertex, postInitialize, removeChangeListener, resize, restart, unlockVertex |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface edu.uci.ics.jung.visualization.Layout |
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applyFilter, getCurrentSize, getGraph, getLocation, getVertex, getVertex, getVisibleEdges, getVisibleVertices, getX, getY, initialize, isLocked, lockVertex, resize, restart, unlockVertex |
Methods inherited from interface edu.uci.ics.jung.visualization.VertexLocationFunction |
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getVertexIterator |
Constructor Detail |
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public FRLayout(Graph g)
Method Detail |
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public void setAttractionMultiplier(double attraction)
public void setRepulsionMultiplier(double repulsion)
public void update()
update
in interface LayoutMutable
public String getStatus()
getStatus
in interface Layout
getStatus
in class AbstractLayout
public void forceMove(Vertex picked, double x, double y)
AbstractLayout
forceMove
in interface Layout
forceMove
in class AbstractLayout
protected void initialize_local()
AbstractLayout
initialize_local
in class AbstractLayout
public Object getKey()
protected void initialize_local_vertex(Vertex v)
AbstractLayout
initialize_local_vertex
in class AbstractLayout
public void advancePositions()
advancePositions
in interface Layout
advancePositions
in class AbstractLayout
Layout.advancePositions()
public void calcPositions(Vertex v)
public void calcAttraction(Edge e)
public void calcRepulsion(Vertex v1)
public void setMaxIterations(int maxIterations)
public FRLayout.FRVertexData getFRData(Vertex v)
public boolean isIncremental()
isIncremental
in interface Layout
public boolean incrementsAreDone()
incrementsAreDone
in interface Layout
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