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2010-06-01T06:52:04Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

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== JFreeChart: Small Number Demo ==



<source lang="java">

/* ===========================================================
* 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.]
*
* --------------------
* SmallNumberDemo.java
* --------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: SmallNumberDemo.java,v 1.7 2004/04/26 19:12:03 taqua Exp $
*
* Changes
* -------
* 23-Sep-2003 : Version 1 (DG);
*
*/
package org.jfree.chart.demo;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.StandardTickUnitSource;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A demo showing the use of very small numbers in a dataset.
*
*/
public class SmallNumberDemo extends ApplicationFrame {
/**
* Creates a new demo instance.
*
* @param title the frame title.
*/
public SmallNumberDemo(final String title) {
super(title);
final XYSeries series = new XYSeries("Small Numbers");
series.add(1.0E-5, 1.0E-16);
series.add(5.0E-5, 2.0E-12);
series.add(17.3E-5, 5.0E-7);
series.add(21.2E-5, 9.0E-6);
final XYSeriesCollection data = new XYSeriesCollection(series);
final JFreeChart chart = ChartFactory.createXYLineChart(
"Small Number Demo",
"X",
"Y",
data,
PlotOrientation.VERTICAL,
true,
true,
false
);
final XYPlot plot = chart.getXYPlot();
plot.getDomainAxis().setStandardTickUnits(new StandardTickUnitSource());
plot.getRangeAxis().setStandardTickUnits(new StandardTickUnitSource());
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
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.ru/jfreechart/guide.html *
// * *
// * Sales are used to provide funding for the JFreeChart project - please *
// * support us so that we can continue developing free software. *
// ****************************************************************************

/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
System.out.println("Min Double: " + Double.MIN_VALUE);
final SmallNumberDemo demo = new SmallNumberDemo("Small Number Demo");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010