Java tutorial
/************************************************************************** dla_fractal is a program that implements a model to generate DLA aggregation of particles. At this stage the model implements 4 types of particle movements: 1) Snow-flake 2) Random 3) Balistic 4) Spiral The program is implemented with the MVC type of architecture. This class is not part of the MVC architecture and it's only purpose is for the graph generation. Copyright (C) 2014 Stefano Bettinelli This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. **************************************************************************/ package dla_franctal; //import java.awt.BasicStroke; import java.awt.Color; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Map; 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.NumberAxis; import org.jfree.chart.plot.PlotOrientation; //import org.jfree.chart.plot.XYPlot; //import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.ApplicationFrame; //import org.jfree.ui.RefineryUtilities; //import org.jfree.ui.Spacer; /** * A simple demonstration application showing how to create a line chart using data from an * {@link XYDataset}. * */ public class LineChart extends ApplicationFrame { /** * */ private static final long serialVersionUID = 1622147701910445504L; public LineChart(final String title, ArrayList<Double> bbAreaRatio, ArrayList<Integer> staticParticlesAtCurrentTick) { super(title); final XYDataset dataset = createBBAreaRationDataset(bbAreaRatio, staticParticlesAtCurrentTick); final JFreeChart chart = createChart(dataset, null, null); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(650, 350)); setContentPane(chartPanel); try { ChartUtilities.saveChartAsJPEG(new File("./" + title + ".jpeg"), chart, 650, 350); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public LineChart(final String title, Map<Integer, Integer> snowMap, Map<Integer, Integer> randMap, Map<Integer, Integer> balisticMap, Map<Integer, Integer> spiralMap) { super(title); final XYDataset dataset = createSimulationGraphs(snowMap, randMap, balisticMap, spiralMap); final JFreeChart chart = createChart(dataset, "Particles", "Iterations"); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(650, 350)); setContentPane(chartPanel); try { ChartUtilities.saveChartAsJPEG(new File("./" + title + ".jpeg"), chart, 650, 350); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public XYDataset createBBAreaRationDataset(ArrayList<Double> bbAreaRatio, ArrayList<Integer> staticParticlesAtCurrentTick) { final XYSeries currentBBAreaRatio = new XYSeries(""); for (int i = 0; i < bbAreaRatio.size(); i++) { currentBBAreaRatio.add(staticParticlesAtCurrentTick.get(i), bbAreaRatio.get(i)); } final XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(currentBBAreaRatio); return dataset; } public XYDataset createSimulationGraphs(Map<Integer, Integer> snowMap, Map<Integer, Integer> randMap, Map<Integer, Integer> balisticMap, Map<Integer, Integer> spiralMap) { final XYSeries snowFlakeSeries = new XYSeries("snowFlake"); final XYSeries randomSeries = new XYSeries("randomSeries"); final XYSeries balisticSeries = new XYSeries("balisticSeries"); final XYSeries spiralSeries = new XYSeries("spiralSeries"); for (int i = 10000; i <= 60000; i += 10000) { snowFlakeSeries.add(i, snowMap.get(new Integer(i))); randomSeries.add(i, randMap.get(new Integer(i))); balisticSeries.add(i, balisticMap.get(new Integer(i))); spiralSeries.add(i, spiralMap.get(new Integer(i))); } final XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(snowFlakeSeries); dataset.addSeries(randomSeries); dataset.addSeries(balisticSeries); dataset.addSeries(spiralSeries); return dataset; } /** * Creates a chart. * * @param dataset the data for the chart. * @param yS * @param xS * * @return a chart. */ private JFreeChart createChart(final XYDataset dataset, String xS, String yS) { JFreeChart chart = null; if (xS == null && yS == null) { // create the chart... chart = ChartFactory.createXYLineChart("", // chart title "DLA_particles", // x axis label "DLA_particles/DLA_BB_Area", // y axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, // tooltips false // urls ); } else { chart = ChartFactory.createXYLineChart("", // chart title xS, // x axis label yS, // y axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, // tooltips false // urls ); } // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); // final StandardLegend legend = (StandardLegend) chart.getLegend(); // legend.setDisplaySeriesShapes(true); // get a reference to the plot for further customisation... // final XYPlot plot = chart.getXYPlot(); // // int seriesCount = plot.getSeriesCount(); // for (int i = 0; i < seriesCount; i++) { // plot.getRenderer().setSeriesStroke(i, new BasicStroke( // 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, // 1.0f, new float[] {6.0f, 6.0f}, 0.0f // )); // } //plot.setBackgroundPaint(Color.lightGray); //plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0)); //plot.setDomainGridlinePaint(Color.white); //plot.setRangeGridlinePaint(Color.white); //final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(); //renderer.setSeriesLinesVisible(0, false); //renderer.setSeriesShapesVisible(1, false); //plot.setRenderer(renderer); // change the auto tick unit selection to integer units only... // final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); // rangeAxis.setRange(0.0, 1.0); //rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED.*/ return chart; } }