?? timeseriesdemo3.java
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/* ======================================
* JFreeChart : a free Java chart library
* ======================================
*
* Project Info: http://www.jfree.org/jfreechart/index.html
* Project Lead: David Gilbert (david.gilbert@object-refinery.com);
*
* (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
*
* 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.
*
* --------------------
* TimeSeriesDemo3.java
* --------------------
* (C) Copyright 2002, 2003, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: TimeSeriesDemo3.java,v 1.5 2003/07/07 11:01:16 mungady Exp $
*
* Changes
* -------
* 06-Aug-2002 : Version 1 (DG);
* 11-Oct-2002 : Fixes issues reported by Checkstyle (DG);
*
*/
package org.jfree.chart.demo;
import java.text.SimpleDateFormat;
import org.jfree.chart.ChartFactory;
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.plot.XYPlot;
import org.jfree.chart.renderer.StandardXYItemRenderer;
import org.jfree.data.XYDataset;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A time series demo, with monthly data, where the tick unit on the axis is set to
* one month also (this switches off the auto tick unit selection, and *can* result in
* overlapping labels).
*
* @author David Gilbert
*/
public class TimeSeriesDemo3 extends ApplicationFrame {
/**
* A demonstration application showing a quarterly time series containing a null value.
*
* @param title the frame title.
*/
public TimeSeriesDemo3(String title) {
super(title);
TimeSeries series1 = new TimeSeries("Series 1", Month.class);
series1.add(new Month(1, 2002), 500.2);
series1.add(new Month(2, 2002), 694.1);
series1.add(new Month(3, 2002), 734.4);
series1.add(new Month(4, 2002), 453.2);
series1.add(new Month(5, 2002), 500.2);
series1.add(new Month(6, 2002), 345.6);
series1.add(new Month(7, 2002), 500.2);
series1.add(new Month(8, 2002), 694.1);
series1.add(new Month(9, 2002), 734.4);
series1.add(new Month(10, 2002), 453.2);
series1.add(new Month(11, 2002), 500.2);
series1.add(new Month(12, 2002), 345.6);
TimeSeries series2 = new TimeSeries("Series 2", Month.class);
series2.add(new Month(1, 2002), 234.1);
series2.add(new Month(2, 2002), 623.7);
series2.add(new Month(3, 2002), 642.5);
series2.add(new Month(4, 2002), 651.4);
series2.add(new Month(5, 2002), 643.5);
series2.add(new Month(6, 2002), 785.6);
series2.add(new Month(7, 2002), 234.1);
series2.add(new Month(8, 2002), 623.7);
series2.add(new Month(9, 2002), 642.5);
series2.add(new Month(10, 2002), 651.4);
series2.add(new Month(11, 2002), 643.5);
series2.add(new Month(12, 2002), 785.6);
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(series1);
dataset.addSeries(series2);
JFreeChart chart = createChart(dataset);
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
/**
* Creates a new chart.
*
* @param dataset the dataset.
*
* @return The dataset.
*/
private JFreeChart createChart(XYDataset dataset) {
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Demo 3",
"Time",
"Value",
dataset,
true,
true,
false
);
XYPlot plot = chart.getXYPlot();
DateAxis axis = (DateAxis) plot.getDomainAxis();
axis.setTickUnit(new DateTickUnit(DateTickUnit.MONTH, 1,
new SimpleDateFormat("MMM-yyyy")));
axis.setVerticalTickLabels(true);
StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer();
renderer.setPlotShapes(true);
renderer.setSeriesShapesFilled(0, Boolean.TRUE);
renderer.setSeriesShapesFilled(1, Boolean.FALSE);
return chart;
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
TimeSeriesDemo3 demo = new TimeSeriesDemo3("Time Series Demo 3");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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