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.] * * ------------------------ * CombinedXYPlotDemo4.java * ------------------------ * (C) Copyright 2003, 2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited). * Contributor(s): -; * * $Id $ * * Changes * ------- * 29-Jul-2003 : Version 1 (DG); * 27-Apr-2004 : Modified for changes to XYPlot (DG); * */ package ascensionxyplot; import java.awt.Font; import java.io.File; import java.util.Vector; import java.util.Random; import java.util.Scanner; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.annotations.XYTextAnnotation; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CombinedDomainXYPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; 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; /** * A demonstration application showing how to create a vertical combined chart. * */ public class AscensionXYPlot extends ApplicationFrame { /** * Constructs a new demonstration application. * * @param title the frame title. */ public AscensionXYPlot(final String title, final File dataFile) { super(title); final JFreeChart chart = createCombinedChart(dataFile); final ChartPanel panel = new ChartPanel(chart, true, true, true, false, true); panel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(panel); } /** * Creates a combined chart. * * @return The combined chart. */ private JFreeChart createCombinedChart(File dataFile) { // create subplot 1... final XYDataset data1 = createDataset1(dataFile); final XYItemRenderer renderer1 = new StandardXYItemRenderer(); final NumberAxis rangeAxis1 = new NumberAxis("Range 1"); final XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1); subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); // add secondary axis // subplot1.setDataset(1, createDataset2()); // final NumberAxis axis2 = new NumberAxis("Range Axis 2"); // axis2.setAutoRangeIncludesZero(false); // subplot1.setRangeAxis(1, axis2); // subplot1.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT); // subplot1.setRenderer(1, new StandardXYItemRenderer()); // subplot1.mapDatasetToRangeAxis(1, 1); final XYTextAnnotation annotation1 = new XYTextAnnotation("x value", 20.0, 120000.0); final XYTextAnnotation annotation2 = new XYTextAnnotation("y value", 20.0, 110000.0); final XYTextAnnotation annotation3 = new XYTextAnnotation("z value", 20.0, 100000.0); final XYTextAnnotation annotation4 = new XYTextAnnotation("timepoint", 20.0, 10000.0); annotation1.setFont(new Font("SansSerif", Font.PLAIN, 9)); annotation2.setFont(new Font("SansSerif", Font.PLAIN, 9)); annotation3.setFont(new Font("SansSerif", Font.PLAIN, 9)); annotation4.setFont(new Font("SansSerif", Font.PLAIN, 9)); // annotation.setRotationAngle(Math.PI / 4.0); subplot1.addAnnotation(annotation1); subplot1.addAnnotation(annotation2); subplot1.addAnnotation(annotation3); subplot1.addAnnotation(annotation4); // create subplot 2... final XYDataset data2 = createDataset2(); final XYItemRenderer renderer2 = new StandardXYItemRenderer(); final NumberAxis rangeAxis2 = new NumberAxis("Range 2"); rangeAxis2.setAutoRangeIncludesZero(false); final XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2); subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT); // parent plot... final CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new NumberAxis("Domain")); plot.setGap(10.0); // add the subplots... plot.add(subplot1, 1); plot.add(subplot2, 1); plot.setOrientation(PlotOrientation.VERTICAL); // return a new chart containing the overlaid plot... return new JFreeChart("Is this the title?", JFreeChart.DEFAULT_TITLE_FONT, plot, true); } /** * Creates a sample dataset. * * @return Series 1. */ private XYDataset createDataset1(File dataFile) { Body body = DataReader.ReadAscensionControlLog(dataFile); Vector<Point> p = body.markers.get(String.valueOf(0)).points; // create dataset 1... final XYSeries series1a = new XYSeries("x"); // series1.add(10.0, 12353.3); // series1.add(20.0, 13734.4); final XYSeries series1b = new XYSeries("y"); // series1b.add(10.0, 15000.3); // series1b.add(20.0, 11000.4); final XYSeries series1c = new XYSeries("z"); // series1b.add(10.0, 15000.3); // series1b.add(20.0, 11000.4); Long lowerBound = 0L; Long upperBound = 120L; Long previousTime = lowerBound; int i = 0; while (previousTime < upperBound) { Point currentPoint = p.elementAt(i); Long currentTime = Long.valueOf(body.timepoints.elementAt(i).toString()); if (currentTime == lowerBound || currentTime - previousTime >= 10) { // plot a point if it is the first record or more than 0.01s passed since last plot // note: the actual time was multiplied by 1000 in DataReader, thus requiring time difference of 10 series1a.add(currentPoint.time, currentPoint.x); series1b.add(currentPoint.time, currentPoint.y); // series1c.add(currentPoint.z, currentTime); series1c.add(currentPoint.time, currentPoint.z); //HOW IS THIS NOT WORKING??? WHYYYYYY.... previousTime = currentTime; // System.out.println(previousTime); // System.out.println(currentTime); // System.out.println(currentPoint.time); } i++; } final XYSeriesCollection collection = new XYSeriesCollection(); collection.addSeries(series1a); collection.addSeries(series1b); collection.addSeries(series1c); return collection; } /** * Creates a sample dataset. * * @return A sample dataset. */ private XYDataset createDataset2() { // create dataset 2... final XYSeries series2 = new XYSeries("PitchRollYaw for example"); series2.add(0.0, 19642.3); series2.add(1.0, 18253.5); series2.add(2.0, 15352.3); series2.add(3.0, 13532.0); series2.add(4.0, 12635.3); series2.add(5.0, 13998.2); series2.add(6.0, 11943.2); series2.add(7.0, 16943.9); series2.add(8.0, 17843.2); series2.add(9.0, 16495.3); series2.add(10.0, 17943.6); series2.add(11.0, 18500.7); series2.add(12.0, 19595.9); return new XYSeriesCollection(series2); } }