/*
* Encog(tm) Workbench v3.0
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.workbench.tabs.training;
import java.awt.BorderLayout;
import java.awt.Color;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
/**
* Simple pane that holds the chart of training. This uses JFreeChart
* @author jheaton
*
*/
public class ChartPane extends JPanel {
/**
* The serial id.
*/
private static final long serialVersionUID = 1L;
/**
* Series 1 holds the current error.
*/
XYSeries series1;
/**
* Series 2 holds the error improvement.
*/
XYSeries series2;
/**
* The data set for the current error.
*/
XYSeriesCollection dataset1;
/**
* The
*/
XYSeriesCollection dataset2;
/**
* The chart.
*/
JFreeChart chart;
/**
* The panel that the chart is drawn upon.
*/
ChartPanel chartPanel;
/**
* How many data points have been displayed.
*/
int count;
/**
* Construct the pane.
*/
public ChartPane() {
this.series1 = new XYSeries("Current Error");
this.dataset1 = new XYSeriesCollection();
this.dataset1.addSeries(this.series1);
this.series1.setMaximumItemCount(50);
this.series2 = new XYSeries("Error Improvement");
this.dataset2 = new XYSeriesCollection();
this.dataset2.addSeries(this.series2);
this.series2.setMaximumItemCount(50);
// addData(1,1,0.01);
final JFreeChart chart = createChart();
this.chartPanel = new ChartPanel(chart);
this.chartPanel.setPreferredSize(new java.awt.Dimension(600, 270));
this.chartPanel.setDomainZoomable(true);
this.chartPanel.setRangeZoomable(true);
setLayout(new BorderLayout());
add(this.chartPanel, BorderLayout.CENTER);
}
/**
* Add a data point to the chart.
* @param iteration Which iteration is this.
* @param error What is the error at this point.
* @param improvement What is the error improvement from the last
* iteration.
*/
public void addData(final int iteration, final double error,
final double improvement) {
if (iteration > 10) {
this.series1.add(iteration, error * 100.0);
this.series2.add(iteration, improvement * 100.0);
}
}
/**
* Create the initial chart.
* @return The chart.
*/
private JFreeChart createChart() {
this.chart = ChartFactory.createXYLineChart(null, "Iteration",
"Current Error", this.dataset1, PlotOrientation.VERTICAL, true,
true, false);
final XYPlot plot = (XYPlot) this.chart.getPlot();
plot.setOrientation(PlotOrientation.VERTICAL);
plot.getRangeAxis().setFixedDimension(15.0);
// AXIS 2
final NumberAxis axis2 = new NumberAxis("Error Improvement");
axis2.setFixedDimension(10.0);
axis2.setAutoRangeIncludesZero(false);
axis2.setLabelPaint(Color.red);
axis2.setTickLabelPaint(Color.red);
plot.setRangeAxis(1, axis2);
plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);
plot.setDataset(1, this.dataset2);
plot.mapDatasetToRangeAxis(1, 1);
final XYItemRenderer renderer2 = new StandardXYItemRenderer();
renderer2.setSeriesPaint(0, Color.red);
plot.setRenderer(1, renderer2);
ChartUtilities.applyCurrentTheme(this.chart);
return this.chart;
}
}