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.] * * ----------------------- * OverlaidXYPlotDemo.java * ----------------------- * (C) Copyright 2002-2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited). * Contributor(s): -; * * $Id: OverlaidXYPlotDemo.java,v 1.28 2004/06/02 09:48:24 mungady Exp $ * * Changes * ------- * 28-Mar-2002 : Version 1 (DG); * 23-Apr-2002 : Modified to use new OverlaidXYPlot class (DG); * 31-May-2002 : Changed plot background color to yellow, to check that it works (DG); * 13-Jun-2002 : Renamed OverlaidPlotDemo-->OverlaidXYPlotDemo (DG); * 25-Jun-2002 : Removed unnecessary imports (DG); * 11-Oct-2002 : Fixed errors reported by Checkstyle (DG); * */ package org.jfree.chart.demo; import java.awt.Font; import java.text.DecimalFormat; import java.text.SimpleDateFormat; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.annotations.XYTextAnnotation; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.DateTickMarkPosition; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.DatasetRenderingOrder; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.chart.renderer.xy.XYBarRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.time.Day; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.IntervalXYDataset; import org.jfree.data.xy.XYDataset; import org.jfree.date.SerialDate; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * A demonstration application showing a time series chart overlaid with a vertical XY bar chart. */ public class OverlaidXYPlotDemo extends ApplicationFrame { /** * Constructs a new demonstration application. * * @param title the frame title. */ public OverlaidXYPlotDemo(final String title) { super(title); final JFreeChart chart = createOverlaidChart(); final ChartPanel panel = new ChartPanel(chart, true, true, true, true, true); panel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(panel); } /** * Creates an overlaid chart. * * @return The chart. */ private JFreeChart createOverlaidChart() { // create plot ... final IntervalXYDataset data1 = createDataset1(); final XYItemRenderer renderer1 = new XYBarRenderer(0.20); renderer1.setToolTipGenerator( new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00"))); final DateAxis domainAxis = new DateAxis("Date"); domainAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE); final ValueAxis rangeAxis = new NumberAxis("Value"); final XYPlot plot = new XYPlot(data1, domainAxis, rangeAxis, renderer1); final double x = new Day(9, SerialDate.MARCH, 2002).getMiddleMillisecond(); final XYTextAnnotation annotation = new XYTextAnnotation("Hello!", x, 10000.0); annotation.setFont(new Font("SansSerif", Font.PLAIN, 9)); plot.addAnnotation(annotation); // add a second dataset and renderer... final XYDataset data2 = createDataset2(); final XYItemRenderer renderer2 = new StandardXYItemRenderer(); renderer2.setToolTipGenerator( new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00"))); plot.setDataset(1, data2); plot.setRenderer(1, renderer2); plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); // return a new chart containing the overlaid plot... return new JFreeChart("Overlaid Plot Example", JFreeChart.DEFAULT_TITLE_FONT, plot, true); } /** * Creates a sample dataset. * * @return The dataset. */ private IntervalXYDataset createDataset1() { // create dataset 1... final TimeSeries series1 = new TimeSeries("Series 1", Day.class); series1.add(new Day(1, SerialDate.MARCH, 2002), 12353.3); series1.add(new Day(2, SerialDate.MARCH, 2002), 13734.4); series1.add(new Day(3, SerialDate.MARCH, 2002), 14525.3); series1.add(new Day(4, SerialDate.MARCH, 2002), 13984.3); series1.add(new Day(5, SerialDate.MARCH, 2002), 12999.4); series1.add(new Day(6, SerialDate.MARCH, 2002), 14274.3); series1.add(new Day(7, SerialDate.MARCH, 2002), 15943.5); series1.add(new Day(8, SerialDate.MARCH, 2002), 14845.3); series1.add(new Day(9, SerialDate.MARCH, 2002), 14645.4); series1.add(new Day(10, SerialDate.MARCH, 2002), 16234.6); series1.add(new Day(11, SerialDate.MARCH, 2002), 17232.3); series1.add(new Day(12, SerialDate.MARCH, 2002), 14232.2); series1.add(new Day(13, SerialDate.MARCH, 2002), 13102.2); series1.add(new Day(14, SerialDate.MARCH, 2002), 14230.2); series1.add(new Day(15, SerialDate.MARCH, 2002), 11235.2); return new TimeSeriesCollection(series1); } // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please * // * support us so that we can continue developing free software. * // **************************************************************************** /** * Creates a sample dataset. * * @return The dataset. */ private XYDataset createDataset2() { // create dataset 2... final TimeSeries series2 = new TimeSeries("Series 2", Day.class); series2.add(new Day(3, SerialDate.MARCH, 2002), 16853.2); series2.add(new Day(4, SerialDate.MARCH, 2002), 19642.3); series2.add(new Day(5, SerialDate.MARCH, 2002), 18253.5); series2.add(new Day(6, SerialDate.MARCH, 2002), 15352.3); series2.add(new Day(7, SerialDate.MARCH, 2002), 13532.0); series2.add(new Day(8, SerialDate.MARCH, 2002), 12635.3); series2.add(new Day(9, SerialDate.MARCH, 2002), 13998.2); series2.add(new Day(10, SerialDate.MARCH, 2002), 11943.2); series2.add(new Day(11, SerialDate.MARCH, 2002), 16943.9); series2.add(new Day(12, SerialDate.MARCH, 2002), 17843.2); series2.add(new Day(13, SerialDate.MARCH, 2002), 16495.3); series2.add(new Day(14, SerialDate.MARCH, 2002), 17943.6); series2.add(new Day(15, SerialDate.MARCH, 2002), 18500.7); series2.add(new Day(16, SerialDate.MARCH, 2002), 19595.9); final TimeSeriesCollection tsc = new TimeSeriesCollection(series2); return tsc; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final OverlaidXYPlotDemo demo = new OverlaidXYPlotDemo("Overlaid XYPlot Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }