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JFreeChart: Interval Bar Chart Demo 1
/* ===========================================================
* 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.]
*
* --------------------------
* IntervalBarChartDemo1.java
* --------------------------
* (C) Copyright 2002-2004, by Jeremy Bowman and Contributors.
*
* Original Author: Jeremy Bowman.
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: IntervalBarChartDemo1.java,v 1.16 2004/05/10 16:45:23 mungady Exp $
*
* Changes
* -------
* 29-Apr-2002 : Version 1, contributed by Jeremy Bowman. Name changed to
* IntervalBarChartDemo, and the chart is displayed in a frame rather than
* saved to a file (DG);
* 25-Jun-2002 : Removed unnecessary imports (DG);
* 10-Oct-2002 : Fixed errors reported by Checkstyle (DG);
*
*/
package org.jfree.chart.demo;
import java.awt.Color;
import java.awt.Font;
import java.text.DecimalFormat;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.IntervalBarRenderer;
import org.jfree.data.category.DefaultIntervalCategoryDataset;
import org.jfree.ui.TextAnchor;
/**
* An interval bar chart.
*
* @author Jeremy Bowman
*/
public class IntervalBarChartDemo1 {
/** The categories. */
private static final String[] CATEGORIES = {"1", "3", "5", "10", "20"};
/** The label font. */
private static Font labelFont = null;
/** The title font. */
private static Font titleFont = null;
/** The chart. */
private JFreeChart chart = null;
static {
labelFont = new Font("Helvetica", Font.PLAIN, 10);
titleFont = new Font("Helvetica", Font.BOLD, 14);
}
/**
* Creates a new demo.
*/
public IntervalBarChartDemo1() {
DefaultIntervalCategoryDataset data = null;
final double[][] lows = {{-.0315, .0159, .0306, .0453, .0557}};
final double[][] highs = {{.1931, .1457, .1310, .1163, .1059}};
data = new DefaultIntervalCategoryDataset(lows, highs);
data.setCategoryKeys(CATEGORIES);
final String title = "Strategie Sicherheit";
final String xTitle = "Zeitraum (in Jahren)";
final String yTitle = "Performance";
final CategoryAxis xAxis = new CategoryAxis(xTitle);
xAxis.setLabelFont(titleFont);
xAxis.setTickLabelFont(labelFont);
xAxis.setTickMarksVisible(false);
final NumberAxis yAxis = new NumberAxis(yTitle);
yAxis.setLabelFont(titleFont);
yAxis.setTickLabelFont(labelFont);
yAxis.setRange(-0.2, 0.40);
final DecimalFormat formatter = new DecimalFormat("0.##%");
yAxis.setTickUnit(new NumberTickUnit(0.05, formatter));
final IntervalBarRenderer renderer = new IntervalBarRenderer();
renderer.setSeriesPaint(0, new Color(51, 102, 153));
// renderer.setLabelGenerator(new IntervalCategoryLabelGenerator());
renderer.setItemLabelsVisible(true);
renderer.setItemLabelPaint(Color.white);
final ItemLabelPosition p = new ItemLabelPosition(
ItemLabelAnchor.CENTER, TextAnchor.CENTER
);
renderer.setPositiveItemLabelPosition(p);
final CategoryPlot plot = new CategoryPlot(data, xAxis, yAxis, renderer);
plot.setBackgroundPaint(Color.lightGray);
plot.setOutlinePaint(Color.white);
plot.setOrientation(PlotOrientation.VERTICAL);
this.chart = new JFreeChart(title, titleFont, plot, false);
this.chart.setBackgroundPaint(Color.white);
}
// ****************************************************************************
// * 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. *
// ****************************************************************************
/**
* Returns the chart.
*
* @return the chart.
*/
public JFreeChart getChart() {
return this.chart;
}
/**
* Starting point for the demo.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final IntervalBarChartDemo1 sample = new IntervalBarChartDemo1();
final JFreeChart chart = sample.getChart();
final ChartFrame frame = new ChartFrame("Interval Bar Chart Demo", chart);
frame.pack();
frame.setVisible(true);
}
}
