Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Foundation; * either version 2.1 of the License, or (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with this * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------------- * PlotOrientationDemo2.java * ------------------------- * (C) Copyright 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: PlotOrientationDemo2.java,v 1.1 2004/06/03 07:58:51 mungady Exp $ * * Changes * ------- * 03-Jun-2004 : Version 1 (DG); * */ package org.jfree.chart.demo; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; import java.awt.GridLayout; import java.awt.geom.Rectangle2D; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.annotations.XYLineAnnotation; import org.jfree.chart.annotations.XYShapeAnnotation; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.IntervalMarker; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; 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.Layer; import org.jfree.ui.RefineryUtilities; import org.jfree.ui.Spacer; /** * A demo showing eight plots with various inverted axis and plot orientation combinations. */ public class PlotOrientationDemo2 extends ApplicationFrame { /** The number of charts. */ private static final int CHART_COUNT = 8; /** The datasets. */ private XYDataset[] datasets = new XYDataset[CHART_COUNT]; /** The charts. */ private JFreeChart[] charts = new JFreeChart[CHART_COUNT]; /** The chart panels. */ private ChartPanel[] panels = new ChartPanel[CHART_COUNT]; /** * Creates a new demo instance. * * @param title the frame title. */ public PlotOrientationDemo2(String title) { super(title); JPanel panel = new JPanel(new GridLayout(2, 4)); for (int i = 0; i < CHART_COUNT; i++) { this.datasets[i] = createDataset(i); this.charts[i] = createChart(i, this.datasets[i]); XYPlot plot = this.charts[i].getXYPlot(); XYShapeAnnotation a1 = new XYShapeAnnotation(new Rectangle2D.Double(1.0, 2.0, 2.0, 3.0), new BasicStroke(1.0f), Color.blue); XYLineAnnotation a2 = new XYLineAnnotation(0.0, -5.0, 10.0, -5.0); plot.addAnnotation(a1); plot.addAnnotation(a2); plot.addDomainMarker(new IntervalMarker(5.0, 10.0), Layer.BACKGROUND); plot.addRangeMarker(new IntervalMarker(-2.0, 0.0), Layer.BACKGROUND); this.panels[i] = new ChartPanel(this.charts[i]); } this.charts[1].getXYPlot().getDomainAxis().setInverted(true); this.charts[2].getXYPlot().getRangeAxis().setInverted(true); this.charts[3].getXYPlot().getDomainAxis().setInverted(true); this.charts[3].getXYPlot().getRangeAxis().setInverted(true); this.charts[5].getXYPlot().getDomainAxis().setInverted(true); this.charts[6].getXYPlot().getRangeAxis().setInverted(true); this.charts[4].getXYPlot().getDomainAxis().setInverted(true); this.charts[4].getXYPlot().getRangeAxis().setInverted(true); this.charts[4].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL); this.charts[5].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL); this.charts[6].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL); this.charts[7].getXYPlot().setOrientation(PlotOrientation.HORIZONTAL); panel.add(this.panels[0]); panel.add(this.panels[1]); panel.add(this.panels[4]); panel.add(this.panels[5]); panel.add(this.panels[2]); panel.add(this.panels[3]); panel.add(this.panels[6]); panel.add(this.panels[7]); panel.setPreferredSize(new Dimension(800, 600)); setContentPane(panel); } /** * Creates a sample dataset. * * @param index the dataset index. * * @return A dataset. */ private XYDataset createDataset(int index) { XYSeries series1 = new XYSeries("Series " + (index + 1)); series1.add(-10.0, -5.0); series1.add(10.0, 5.0); XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(series1); return dataset; } /** * Creates a sample chart. * * @param index the chart index. * @param dataset the dataset. * * @return A chart. */ private JFreeChart createChart(int index, XYDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createXYLineChart("Chart " + (index + 1), // chart title "X", // x axis label "Y", // y axis label dataset, // data PlotOrientation.VERTICAL, false, // include legend false, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... XYPlot plot = chart.getXYPlot(); 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); StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer(); renderer.setPlotShapes(true); renderer.setShapesFilled(true); // change the auto tick unit selection to integer units only... ValueAxis domainAxis = plot.getDomainAxis(); domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); ValueAxis rangeAxis = plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } /** * The starting point for the demo. * * @param args ignored. */ public static void main(String[] args) { PlotOrientationDemo2 demo = new PlotOrientationDemo2("Plot Orientation Demo 2"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }