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//=============================================================================
// Copyright 2006-2010 Daniel W. Dyer
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//=============================================================================
package org.uncommons.watchmaker.examples.monalisa;
import java.awt.Dimension;
import java.util.LinkedList;
import java.util.List;
import java.util.Random;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SpringLayout;
import org.uncommons.maths.number.ConstantGenerator;
import org.uncommons.maths.random.GaussianGenerator;
import org.uncommons.maths.random.Probability;
import org.uncommons.swing.SpringUtilities;
import org.uncommons.watchmaker.framework.EvolutionaryOperator;
import org.uncommons.watchmaker.framework.operators.EvolutionPipeline;
import org.uncommons.watchmaker.framework.operators.ListCrossover;
import org.uncommons.watchmaker.framework.operators.ListOperator;
import org.uncommons.watchmaker.swing.ProbabilityParameterControl;
/**
* Panel that displays controls for the Mona Lisa example program. These
* controls allow the evolution parameters to be tweaked.
* @author Daniel Dyer
*/
class ProbabilitiesPanel extends JPanel
{
private static final Probability ONE_TENTH = new Probability(0.1d);
private final ProbabilityParameterControl addPolygonControl;
private final ProbabilityParameterControl removePolygonControl;
private final ProbabilityParameterControl movePolygonControl;
private final ProbabilityParameterControl crossOverControl;
private final ProbabilityParameterControl addVertexControl;
private final ProbabilityParameterControl removeVertexControl;
private final ProbabilityParameterControl moveVertexControl;
private final ProbabilityParameterControl changeColourControl;
ProbabilitiesPanel()
{
super(new SpringLayout());
addPolygonControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.02));
add(new JLabel("Add Polygon: "));
add(addPolygonControl.getControl());
addPolygonControl.setDescription("For each IMAGE, the probability that a new "
+ "randomly-generated polygon will be added.");
addVertexControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.01));
add(new JLabel("Add Vertex: "));
add(addVertexControl.getControl());
addVertexControl.setDescription("For each POLYGON, the probability that a new "
+ "randomly-generated vertex will be added.");
removePolygonControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.02));
add(new JLabel("Remove Polygon: "));
add(removePolygonControl.getControl());
removePolygonControl.setDescription("For each IMAGE, the probability that a "
+ "randomly-selected polygon will be discarded.");
removeVertexControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.01));
add(new JLabel("Remove Vertex: "));
add(removeVertexControl.getControl());
removeVertexControl.setDescription("For each POLYGON, the probability that a "
+ "randomly-selected vertex will be discarded.");
movePolygonControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.01));
add(new JLabel("Reorder Polygons: "));
add(movePolygonControl.getControl());
movePolygonControl.setDescription("For each IMAGE, the probability that the z-positions "
+ "of two randomly-selected polygons will be swapped.");
moveVertexControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.03));
add(new JLabel("Move Vertex: "));
add(moveVertexControl.getControl());
moveVertexControl.setDescription("For each POLYGON, the probability that a randomly-selected "
+ "vertex will be displaced.");
crossOverControl = new ProbabilityParameterControl(Probability.ZERO,
Probability.ONE,
2,
Probability.ONE);
add(new JLabel("Cross-over: "));
add(crossOverControl.getControl());
crossOverControl.setDescription("For each PAIR of parent IMAGES, the probability that "
+ "2-point cross-over is applied.");
changeColourControl = new ProbabilityParameterControl(Probability.ZERO,
ONE_TENTH,
3,
new Probability(0.01));
add(new JLabel("Change Colour: "));
add(changeColourControl.getControl());
changeColourControl.setDescription("For each POLYGON, the probability that its colour will be mutated.");
// Set component names for easy look-up from tests.
addPolygonControl.getControl().setName("AddPolygon");
removePolygonControl.getControl().setName("RemovePolygon");
movePolygonControl.getControl().setName("MovePolygon");
crossOverControl.getControl().setName("Cross-over");
addVertexControl.getControl().setName("AddVertex");
removeVertexControl.getControl().setName("RemoveVertex");
moveVertexControl.getControl().setName("MoveVertex");
changeColourControl.getControl().setName("ChangeColour");
SpringUtilities.makeCompactGrid(this, 4, 4, 10, 0, 10, 0);
}
/**
* Construct the combination of evolutionary operators that will be used to evolve the
* polygon-based images.
* @param factory A source of polygons.
* @param canvasSize The size of the target image.
* @param rng A source of randomness.
* @return A complex evolutionary operator constructed from simpler operators.
*/
public EvolutionaryOperator<List<ColouredPolygon>> createEvolutionPipeline(PolygonImageFactory factory,
Dimension canvasSize,
Random rng)
{
List<EvolutionaryOperator<List<ColouredPolygon>>> operators
= new LinkedList<EvolutionaryOperator<List<ColouredPolygon>>>();
operators.add(new ListCrossover<ColouredPolygon>(new ConstantGenerator<Integer>(2),
crossOverControl.getNumberGenerator()));
operators.add(new RemovePolygonMutation(removePolygonControl.getNumberGenerator()));
operators.add(new MovePolygonMutation(movePolygonControl.getNumberGenerator()));
operators.add(new ListOperator<ColouredPolygon>(new RemoveVertexMutation(canvasSize,
removeVertexControl.getNumberGenerator())));
operators.add(new ListOperator<ColouredPolygon>(new AdjustVertexMutation(canvasSize,
moveVertexControl.getNumberGenerator(),
new GaussianGenerator(0, 3, rng))));
operators.add(new ListOperator<ColouredPolygon>(new AddVertexMutation(canvasSize,
addVertexControl.getNumberGenerator())));
operators.add(new ListOperator<ColouredPolygon>(new PolygonColourMutation(changeColourControl.getNumberGenerator(),
new GaussianGenerator(0, 20, rng))));
operators.add(new AddPolygonMutation(addPolygonControl.getNumberGenerator(), factory, 50));
return new EvolutionPipeline<List<ColouredPolygon>>(operators);
}
}
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