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added analysis.toolbox.AlgorithmSearchProgressChartBuilder.java to

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create xyLineCharts with an arbitrary number of xySeries
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oblonski 2014-04-14 12:36:40 +02:00
parent 513ef26c9a
commit db4c6f0784
1 changed files with 76 additions and 0 deletions
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jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartBuilder.java Normal file
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package jsprit.analysis.toolbox;
import java.awt.Color;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.Range;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
public class AlgorithmSearchProgressChartBuilder {
public static void saveChartAsPNG(JFreeChart chart, String pngFilename){
try {
ChartUtilities.saveChartAsPNG(new File(pngFilename), chart, 1000, 600);
} catch (IOException e) {
e.printStackTrace();
}
}
public static AlgorithmSearchProgressChartBuilder newInstance(String chartName, String xDomainName, String yDomainName){
return new AlgorithmSearchProgressChartBuilder(chartName, xDomainName, yDomainName);
}
private ConcurrentHashMap<String,XYSeries> seriesMap = new ConcurrentHashMap<String, XYSeries>();
private final String xDomain;
private final String yDomain;
private final String chartName;
private AlgorithmSearchProgressChartBuilder(String chartName, String xDomainName, String yDomainName) {
this.xDomain=xDomainName;
this.yDomain=yDomainName;
this.chartName=chartName;
}
public void addData(String seriesName, double xVal, double yVal){
if(!seriesMap.containsKey(seriesName)){
seriesMap.put(seriesName, new XYSeries(seriesName,true,true));
}
seriesMap.get(seriesName).add(xVal, yVal);
}
public JFreeChart build(){
XYSeriesCollection collection = new XYSeriesCollection();
for(XYSeries s : seriesMap.values()){
collection.addSeries(s);
}
JFreeChart chart = ChartFactory.createXYLineChart(chartName, xDomain, yDomain, collection, PlotOrientation.VERTICAL, true, true, false);
XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.WHITE);
plot.setDomainGridlinePaint(Color.LIGHT_GRAY);
plot.setRangeGridlinePaint(Color.LIGHT_GRAY);
NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
Range rangeBounds = collection.getRangeBounds(true);
double upper = Math.min(rangeBounds.getUpperBound(), rangeBounds.getLowerBound()*5);
if(upper == 0.0){ upper = 10000; }
if(rangeBounds.getLowerBound() == upper){
yAxis.setRangeWithMargins(rangeBounds.getLowerBound()-rangeBounds.getLowerBound()*.1,upper+upper*.1);
}
else{
yAxis.setRangeWithMargins(rangeBounds.getLowerBound(),upper);
}
return chart;
}
}