Java/Chart/Waterfall Chart
JFreeChart: Waterfall Chart 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.] * * ----------------------- * WaterfallChartDemo.java * ----------------------- * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: WaterfallChartDemo.java,v 1.14 2004/05/10 16:45:23 mungady Exp $ * * Changes * ------- * 21-Oct-2003 : Version 1 (DG); * 06-Nov-2003 : Modified to use ChartFactory (DG); * */
package org.jfree.chart.demo; import java.awt.Color; import java.text.DecimalFormat; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberTickUnit; import org.jfree.chart.axis.TickUnits; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.ui.Spacer; /**
* A sample waterfall chart. */
public class WaterfallChartDemo extends ApplicationFrame {
/**
* Creates a new WaterFall Chart demo.
*
* @param title the frame title.
*/
public WaterfallChartDemo(final String title) {
super(title);
final CategoryDataset dataset = createDataset();
final JFreeChart chart = createChart(dataset);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
chartPanel.setEnforceFileExtensions(false);
setContentPane(chartPanel);
}
/**
* Creates a sample dataset for the demo.
*
* @return A sample dataset.
*/
private CategoryDataset createDataset() {
final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(15.76, "Product 1", "Labour");
dataset.addValue(8.66, "Product 1", "Administration");
dataset.addValue(4.71, "Product 1", "Marketing");
dataset.addValue(3.51, "Product 1", "Distribution");
dataset.addValue(32.64, "Product 1", "Total Expense");
return dataset;
}
// ****************************************************************************
// * 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. *
// ****************************************************************************
/**
* Returns the chart.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {
final JFreeChart chart = ChartFactory.createWaterfallChart(
"Product Cost Breakdown",
"Expense Category",
"Cost Per Unit",
dataset,
PlotOrientation.VERTICAL,
true,
true,
false
);
chart.setBackgroundPaint(Color.white);
final CategoryPlot plot = chart.getCategoryPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setRangeGridlinePaint(Color.white);
plot.setRangeGridlinesVisible(true);
// plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
final ValueAxis rangeAxis = plot.getRangeAxis();
// create a custom tick unit collection...
final DecimalFormat formatter = new DecimalFormat("##,###");
formatter.setNegativePrefix("(");
formatter.setNegativeSuffix(")");
final TickUnits standardUnits = new TickUnits();
standardUnits.add(new NumberTickUnit(5, formatter));
standardUnits.add(new NumberTickUnit(10, formatter));
standardUnits.add(new NumberTickUnit(20, formatter));
standardUnits.add(new NumberTickUnit(50, formatter));
standardUnits.add(new NumberTickUnit(100, formatter));
standardUnits.add(new NumberTickUnit(200, formatter));
standardUnits.add(new NumberTickUnit(500, formatter));
standardUnits.add(new NumberTickUnit(1000, formatter));
standardUnits.add(new NumberTickUnit(2000, formatter));
standardUnits.add(new NumberTickUnit(5000, formatter));
rangeAxis.setStandardTickUnits(standardUnits);
final BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setDrawBarOutline(false);
final DecimalFormat labelFormatter = new DecimalFormat("$##,###.00");
labelFormatter.setNegativePrefix("(");
labelFormatter.setNegativeSuffix(")");
// renderer.setLabelGenerator(
// new StandardCategoryLabelGenerator("{2}", labelFormatter)
// );
renderer.setItemLabelsVisible(true);
return chart;
}
/**
* Starting point for the demo.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final WaterfallChartDemo demo = new WaterfallChartDemo("Waterfall Chart Demo");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
</source>
JFreeChart: Waterfall Chart Demo 2
<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.] * * ------------------------ * WaterfallChartDemo2.java * ------------------------ * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors. * * Original Author: Darshan Shah; * Contributor(s): David Gilbert (for Object Refinery Limited); * * $Id: WaterfallChartDemo2.java,v 1.11 2004/05/10 16:45:23 mungady Exp $ * * Changes * ------- * 20-Oct-2003 : Version 1, based on code contributed by Darshan Shah (DG); * */
package org.jfree.chart.demo; import java.awt.BasicStroke; import java.awt.Color; import java.text.DecimalFormat; import org.jfree.chart.ChartPanel; 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.axis.TickUnits; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.ValueMarker; import org.jfree.chart.renderer.category.WaterfallBarRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.Layer; import org.jfree.ui.RefineryUtilities; /**
* A sample waterfall chart. */
public class WaterfallChartDemo2 extends ApplicationFrame {
/**
* Creates a new WaterFall Chart demo.
*
* @param title the frame title.
*/
public WaterfallChartDemo2(final String title) {
super(title);
final CategoryDataset dataset = createDataset();
final JFreeChart chart = createChart(dataset);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
chartPanel.setEnforceFileExtensions(false);
setContentPane(chartPanel);
}
/**
* Creates a sample dataset for the demo.
*
* @return A sample dataset.
*/
private CategoryDataset createDataset() {
final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(-890.76, "S1", "PY OM");
dataset.addValue(-3021.51, "S1", "Vol CM");
dataset.addValue(-218.32, "S1", "Price");
dataset.addValue(221.75, "S1", "Mat Inf");
dataset.addValue(-1504.1, "S1", "Oth Inf");
dataset.addValue(7103.8, "S1", "VCP");
dataset.addValue(3503.3, "S1", "CM FX");
dataset.addValue(-6561.97, "S1", "Base");
dataset.addValue(-824.25, "S1", "OM");
return dataset;
}
/**
* Returns the chart.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {
final CategoryAxis xAxis = new CategoryAxis("Category");
final NumberAxis yAxis = new NumberAxis("$ in Thousands");
yAxis.setLowerMargin(0.10);
yAxis.setUpperMargin(0.10);
// create a custom tick unit collection...
final DecimalFormat formatter = new DecimalFormat("##,###");
formatter.setNegativePrefix("(");
formatter.setNegativeSuffix(")");
final TickUnits standardUnits = new TickUnits();
standardUnits.add(new NumberTickUnit(200, formatter));
standardUnits.add(new NumberTickUnit(500, formatter));
standardUnits.add(new NumberTickUnit(1000, formatter));
standardUnits.add(new NumberTickUnit(2000, formatter));
standardUnits.add(new NumberTickUnit(5000, formatter));
yAxis.setStandardTickUnits(standardUnits);
// ****************************************************************************
// * 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. *
// ****************************************************************************
final DecimalFormat labelFormatter = new DecimalFormat("##,###");
labelFormatter.setNegativePrefix("(");
labelFormatter.setNegativeSuffix(")");
final WaterfallBarRenderer renderer = new WaterfallBarRenderer();
// renderer.setLabelGenerator(
// new StandardCategoryLabelGenerator("{2}", labelFormatter)
// );
renderer.setItemLabelsVisible(Boolean.TRUE);
final CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer);
plot.setBackgroundPaint(Color.lightGray);
plot.setRangeGridlinePaint(Color.white);
plot.setRangeGridlinesVisible(true);
final ValueMarker baseline = new ValueMarker(0.0);
baseline.setPaint(Color.blue);
baseline.setStroke(new BasicStroke(1.1f));
plot.addRangeMarker(baseline, Layer.FOREGROUND);
final JFreeChart chart = new JFreeChart("OM WaterFall Chart",
JFreeChart.DEFAULT_TITLE_FONT, plot, false);
chart.setBackgroundPaint(Color.white);
return chart;
}
/**
* Starting point for the demo.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final WaterfallChartDemo2 demo = new WaterfallChartDemo2("Waterfall Chart Demo 2");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
</source>
