Java tutorial
/* *********************************************************************** * * project: org.matsim.* * * * *********************************************************************** * * * * copyright : (C) 2013 by the members listed in the COPYING, * * LICENSE and WARRANTY file. * * email : info at matsim dot org * * * * *********************************************************************** * * * * 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 2 of the License, or * * (at your option) any later version. * * See also COPYING, LICENSE and WARRANTY file * * * * *********************************************************************** */ package playground.wrashid.tryouts.mess; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; 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.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.BoxAndWhiskerToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.renderer.category.BoxAndWhiskerRenderer; import org.jfree.data.statistics.BoxAndWhiskerCategoryDataset; import org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset; public class Boxplot { /** * @param args */ public static void main(String[] args) { final BoxAndWhiskerCategoryDataset dataset = createSampleDataset(); final CategoryAxis xAxis = new CategoryAxis("Type"); final NumberAxis yAxis = new NumberAxis("Value"); yAxis.setAutoRangeIncludesZero(false); final BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer(); renderer.setFillBox(false); renderer.setToolTipGenerator(new BoxAndWhiskerToolTipGenerator()); final CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer); final JFreeChart chart = ChartFactory.createBoxAndWhiskerChart("Box-and-Whisker Demo", "x", "y", dataset, true); final ChartPanel chartPanel = new ChartPanel(chart); int width = 500; int height = 300; try { ChartUtilities.saveChartAsPNG(new File("boxPlot.png"), chart, width, height); } catch (IOException e) { } } private static BoxAndWhiskerCategoryDataset createSampleDataset() { final int seriesCount = 3; final int categoryCount = 4; final int entityCount = 22; final DefaultBoxAndWhiskerCategoryDataset dataset = new DefaultBoxAndWhiskerCategoryDataset(); for (int i = 0; i < seriesCount; i++) { for (int j = 0; j < categoryCount; j++) { final List list = new ArrayList(); // add some values... for (int k = 0; k < entityCount; k++) { final double value1 = 10.0 + Math.random() * 3; list.add(new Double(value1)); final double value2 = 11.25 + Math.random(); // concentrate values in the middle list.add(new Double(value2)); } dataset.add(list, "Series " + i, " Type " + j); } } return dataset; } }