JFreeChart: Time Period Values Demo
/* ===========================================================
* 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.]
*
* -------------------------
* TimePeriodValuesDemo.java
* -------------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: TimePeriodValuesDemo.java,v 1.18 2004/04/27 14:53:10 mungady Exp $
*
* Changes
* -------
* 08-Apr-2002 : Version 1 (DG);
* 25-Jun-2002 : Removed unnecessary import (DG);
*
*/
package org.jfree.chart.demo;
import java.text.SimpleDateFormat;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.DateTickUnit;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
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.Hour;
import org.jfree.data.time.Minute;
import org.jfree.data.time.SimpleTimePeriod;
import org.jfree.data.time.TimePeriodValues;
import org.jfree.data.time.TimePeriodValuesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* An example of....
*
*/
public class TimePeriodValuesDemo extends ApplicationFrame {
/**
* A demonstration application showing how to....
*
* @param title the frame title.
*/
public TimePeriodValuesDemo(final String title) {
super(title);
final XYDataset data1 = createDataset1();
final XYItemRenderer renderer1 = new XYBarRenderer();
final DateAxis domainAxis = new DateAxis("Date");
domainAxis.setVerticalTickLabels(true);
domainAxis.setTickUnit(new DateTickUnit(DateTickUnit.HOUR, 1));
domainAxis.setDateFormatOverride(new SimpleDateFormat("hh:mm"));
domainAxis.setLowerMargin(0.01);
domainAxis.setUpperMargin(0.01);
final ValueAxis rangeAxis = new NumberAxis("Value");
final XYPlot plot = new XYPlot(data1, domainAxis, rangeAxis, renderer1);
final XYDataset data2 = createDataset2();
final StandardXYItemRenderer renderer2
= new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES_AND_LINES);
renderer2.setShapesFilled(true);
plot.setDataset(1, data2);
plot.setRenderer(1, renderer2);
final JFreeChart chart = new JFreeChart("Supply and Demand", plot);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
chartPanel.setMouseZoomable(true, false);
setContentPane(chartPanel);
}
// ****************************************************************************
// * 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 dataset, consisting of two series of monthly data.
*
* @return the dataset.
*/
public XYDataset createDataset1() {
final TimePeriodValues s1 = new TimePeriodValues("Supply");
final TimePeriodValues s2 = new TimePeriodValues("Demand");
final Day today = new Day();
for (int i = 0; i < 24; i++) {
final Minute m0 = new Minute(0, new Hour(i, today));
final Minute m1 = new Minute(15, new Hour(i, today));
final Minute m2 = new Minute(30, new Hour(i, today));
final Minute m3 = new Minute(45, new Hour(i, today));
final Minute m4 = new Minute(0, new Hour(i + 1, today));
s1.add(new SimpleTimePeriod(m0.getStart(), m1.getStart()), Math.random());
s2.add(new SimpleTimePeriod(m1.getStart(), m2.getStart()), Math.random());
s1.add(new SimpleTimePeriod(m2.getStart(), m3.getStart()), Math.random());
s2.add(new SimpleTimePeriod(m3.getStart(), m4.getStart()), Math.random());
}
final TimePeriodValuesCollection dataset = new TimePeriodValuesCollection();
dataset.addSeries(s1);
dataset.addSeries(s2);
return dataset;
}
/**
* Creates a dataset, consisting of two series of monthly data.
*
* @return the dataset.
*/
public XYDataset createDataset2() {
final TimePeriodValues s1 = new TimePeriodValues("WebCOINS");
final Day today = new Day();
for (int i = 0; i < 24; i++) {
final Minute m0 = new Minute(0, new Hour(i, today));
final Minute m1 = new Minute(30, new Hour(i, today));
final Minute m2 = new Minute(0, new Hour(i + 1, today));
s1.add(new SimpleTimePeriod(m0.getStart(), m1.getStart()), Math.random() * 2.0);
s1.add(new SimpleTimePeriod(m1.getStart(), m2.getStart()), Math.random() * 2.0);
}
final TimePeriodValuesCollection dataset = new TimePeriodValuesCollection();
dataset.addSeries(s1);
return dataset;
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final TimePeriodValuesDemo demo = new TimePeriodValuesDemo("Time Period Values Demo 1");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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