org.opt4j.viewer
Class ParetoPlotWidget

java.lang.Object
  org.opt4j.viewer.ParetoPlotWidget

All Implemented Interfaces:

org.opt4j.core.optimizer.OptimizerIterationListener, ObjectivesMonitor.ObjectivesListener, Widget

public class ParetoPlotWidget
extends java.lang.Object
implements org.opt4j.core.optimizer.OptimizerIterationListener, Widget, ObjectivesMonitor.ObjectivesListener

The ParetoPlotWidget is a widget that displays the Population and Archive in two dimensional plot.

Nested Class Summary

protected class

ParetoPlotWidget.Selection The selection box for the current two objectives.

Field Summary

protected org.opt4j.viewer.SynchronizedIndividualSet	archive
protected javax.swing.JPanel	panel
protected ptolemy.plot.Plot	plot
protected org.opt4j.viewer.SynchronizedIndividualSet	population
protected ParetoPlotWidget.Selection	selection
protected org.opt4j.core.config.visualization.DelayTask	task

Constructor Summary

ParetoPlotWidget(org.opt4j.core.optimizer.Population population, org.opt4j.core.optimizer.Archive archive, AutoZoomButton autoZoomButton)
Constructs a ParetoPlotWidget.

Method Summary

protected void	doPaint() Repaints the diagram.
javax.swing.JPanel	getPanel() Returns the panel with the content.
protected java.util.Set<java.awt.geom.Point2D.Double>	getPoints(java.util.Collection<org.opt4j.core.Individual> indivualCollection, org.opt4j.core.Objective one, org.opt4j.core.Objective two) Returns the two dimensional representation of the given IndividualCollection.
void	init(Viewport viewport) Called once after the widget is added to the Viewport.
void	iterationComplete(int iteration)
void	objectives(java.util.Collection<org.opt4j.core.Objective> objectives) Callback method that passes the objectives of the optimization problem.
protected void	paint(java.util.Collection<org.opt4j.core.Individual> archive, java.util.Collection<org.opt4j.core.Individual> population) Repaints the diagram.
void	registerAtObjectivesMonitor(ObjectivesMonitor objectivesMonitor) Register at the ObjectivesMonitor.
void	registerAtOptimizer(org.opt4j.core.optimizer.Optimizer optimizer) Register at the Optimizer.

Methods inherited from class java.lang.Object

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

Field Detail

population

protected final org.opt4j.viewer.SynchronizedIndividualSet population

archive

protected final org.opt4j.viewer.SynchronizedIndividualSet archive

task

protected final org.opt4j.core.config.visualization.DelayTask task

plot

protected final ptolemy.plot.Plot plot

selection

protected final ParetoPlotWidget.Selection selection

panel

protected final javax.swing.JPanel panel

Constructor Detail

ParetoPlotWidget

@Inject
public ParetoPlotWidget(org.opt4j.core.optimizer.Population population,
                               org.opt4j.core.optimizer.Archive archive,
                               AutoZoomButton autoZoomButton)

Constructs a ParetoPlotWidget.

Parameters:

population - the population

archive - the archive

autoZoomButton - the button to reset zooming

Method Detail

registerAtOptimizer

@Inject(optional=true)
public void registerAtOptimizer(org.opt4j.core.optimizer.Optimizer optimizer)

Register at the Optimizer.

Parameters:

optimizer - the optimizer

registerAtObjectivesMonitor

@Inject(optional=true)
public void registerAtObjectivesMonitor(ObjectivesMonitor objectivesMonitor)

Register at the ObjectivesMonitor.

Parameters:

objectivesMonitor - the objectives monitor

init

public void init(Viewport viewport)

Description copied from interface: Widget

Called once after the widget is added to the Viewport.

Specified by:

init in interface Widget

Parameters:

viewport - the base viewport

iterationComplete

public void iterationComplete(int iteration)

Specified by:

iterationComplete in interface org.opt4j.core.optimizer.OptimizerIterationListener

getPoints

protected java.util.Set<java.awt.geom.Point2D.Double> getPoints(java.util.Collection<org.opt4j.core.Individual> indivualCollection,
                                                                org.opt4j.core.Objective one,
                                                                org.opt4j.core.Objective two)

Returns the two dimensional representation of the given IndividualCollection.

Parameters:

indivualCollection - the {IndividualCollection

Returns:

a set of points

doPaint

protected void doPaint()

Repaints the diagram.

paint

protected void paint(java.util.Collection<org.opt4j.core.Individual> archive,
                     java.util.Collection<org.opt4j.core.Individual> population)

Repaints the diagram.

getPanel

public javax.swing.JPanel getPanel()

Description copied from interface: Widget

Returns the panel with the content.

Specified by:

getPanel in interface Widget

Returns:

the panel with the content

objectives

public void objectives(java.util.Collection<org.opt4j.core.Objective> objectives)

Description copied from interface: ObjectivesMonitor.ObjectivesListener

Callback method that passes the objectives of the optimization problem.

Specified by:

objectives in interface ObjectivesMonitor.ObjectivesListener

Parameters:

objectives - the objectives