Package org.opt4j.viewer

Class ParetoPlotWidget

java.lang.Object

org.opt4j.viewer.ParetoPlotWidget

All Implemented Interfaces:

OptimizerIterationListener, ObjectivesMonitor.ObjectivesListener, Widget

public class ParetoPlotWidget
extends Object
implements OptimizerIterationListener, Widget, ObjectivesMonitor.ObjectivesListener

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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ParetoPlotWidget.Selection	The selection box for the current two objectives.

Field Summary

Fields

Modifier and Type	Field	Description
protected final org.opt4j.viewer.SynchronizedIndividualSet	archive
protected final JPanel	panel
protected final org.opt4j.viewer.SynchronizedIndividualSet	population
protected final ParetoPlotWidget.Selection	selection
protected final DelayTask	task

Constructor Summary

Constructors

Constructor	Description
ParetoPlotWidget(Population population, Archive archive, Optimizer optimizer, ObjectivesMonitor objectivesMonitor, AutoZoomButton autoZoomButton)	Constructs a ParetoPlotWidget.

Method Summary

Modifier and Type	Method	Description
protected void	doPaint()	Repaints the diagram.
JPanel	getPanel()	Returns the panel with the content.
protected Set<Point2D.Double>	getPoints(Collection<Individual> indivualCollection, Objective one, 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(Optimizer optimizer, int iteration)	Invoked if the Optimizer completes an iteration.
void	objectives(Collection<Objective> objectives)	Callback method that passes the objectives of the optimization problem.
protected void	paint(Collection<Individual> archive, Collection<Individual> population)	Repaints the diagram.

Methods inherited from class java.lang.Object

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

Field Details

population

protected final org.opt4j.viewer.SynchronizedIndividualSet population

archive

protected final org.opt4j.viewer.SynchronizedIndividualSet archive

task

protected final DelayTask task

selection

protected final ParetoPlotWidget.Selection selection

panel

protected final JPanel panel

Constructor Details

ParetoPlotWidget

@Inject
public ParetoPlotWidget(Population population,
 Archive archive,
 Optimizer optimizer,
 ObjectivesMonitor objectivesMonitor,
 AutoZoomButton autoZoomButton)

Constructs a ParetoPlotWidget.

Parameters:

population - the population

archive - the archive

optimizer - the optimizer

objectivesMonitor - the objective monitor that determine the objective of the optimization problem

Method Details

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(Optimizer optimizer,
 int iteration)

Description copied from interface: OptimizerIterationListener

Invoked if the Optimizer completes an iteration.

Specified by:

iterationComplete in interface OptimizerIterationListener

Parameters:

optimizer - the optimizer

iteration - the completed iteration

getPoints

protected Set<Point2D.Double> getPoints(Collection<Individual> indivualCollection,
 Objective one,
 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(Collection<Individual> archive,
 Collection<Individual> population)

Repaints the diagram.

getPanel

public 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(Collection<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