Java/Chart/Line Chart — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 09:52, 1 июня 2010
Содержание
- 1 Chart2D: Line Chart
- 2 Chart2D: Line Chart and Bar Chart Overlay
- 3 Chart2D: Line Chart With Filled Stack
- 4 Chart2D: Line Chart With Large Data Set
- 5 Chart2D: Line Chart With Regions
- 6 Chart2D: Line Chart With Scatter and Dot
- 7 Chart2D: Line Chart With Scatter and Dot on the Line
- 8 Chart: Line Chart
- 9 Chart: Manual bar
- 10 Chart: Neg Line
- 11 Chart: Simple Line Chart
- 12 JChart2d: Static Chart
- 13 JCharts: Line Chart
- 14 JCharts: Line Chart 0
- 15 JCharts: Line Chart 1
- 16 JCharts: Line Chart 2
- 17 JCharts: Line Chart 3
- 18 JCharts: Line Chart 4
- 19 JCharts: Line Chart 5
- 20 JCharts: Line Chart 6
- 21 JCharts: Line Chart 7
- 22 JCharts: Line Chart 8
- 23 JCharts: Line Chart 9
- 24 JFreeChart: Line Chart Demo 1
- 25 JFreeChart: Line Chart Demo 5 showing the use of a custom drawing supplier
- 26 JFreeChart: Line Chart Demo 6
- 27 JFreeChart: Normal Distribution Demo
Chart2D: Line Chart
Chart2D: Line Chart and Bar Chart Overlay
Chart2D: Line Chart With Filled Stack
Chart2D: Line Chart With Large Data Set
Chart2D: Line Chart With Regions
Chart2D: Line Chart With Scatter and Dot
Chart2D: Line Chart With Scatter and Dot on the Line
Chart: Line Chart
Chart: Manual bar
Chart: Neg Line
Chart: Simple Line Chart
JChart2d: Static Chart
JCharts: Line Chart
JCharts: Line Chart 0
JCharts: Line Chart 1
JCharts: Line Chart 2
JCharts: Line Chart 3
JCharts: Line Chart 4
JCharts: Line Chart 5
JCharts: Line Chart 6
JCharts: Line Chart 7
JCharts: Line Chart 8
JCharts: Line Chart 9
JFreeChart: Line Chart Demo 1
<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.] * * ------------------- * LineChartDemo1.java * ------------------- * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: LineChartDemo1.java,v 1.27 2004/05/27 09:10:42 mungady Exp $ * * Changes * ------- * 08-Apr-2002 : Version 1 (DG); * 30-May-2002 : Modified to display values on the chart (DG); * 25-Jun-2002 : Removed redundant import (DG); * 11-Oct-2002 : Fixed errors reported by Checkstyle (DG); * */
package org.jfree.chart.demo; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**
* A simple demonstration application showing how to create a line chart using data from a * {@link CategoryDataset}. */
public class LineChartDemo1 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public LineChartDemo1(final String title) { super(title); final CategoryDataset dataset = createDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a sample dataset. * * @return The dataset. */ private CategoryDataset createDataset() { // row keys... final String series1 = "First"; final String series2 = "Second"; final String series3 = "Third"; // column keys... final String type1 = "Type 1"; final String type2 = "Type 2"; final String type3 = "Type 3"; final String type4 = "Type 4"; final String type5 = "Type 5"; final String type6 = "Type 6"; final String type7 = "Type 7"; final String type8 = "Type 8"; // create the dataset... final DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(1.0, series1, type1); dataset.addValue(4.0, series1, type2); dataset.addValue(3.0, series1, type3); dataset.addValue(5.0, series1, type4); dataset.addValue(5.0, series1, type5); dataset.addValue(7.0, series1, type6); dataset.addValue(7.0, series1, type7); dataset.addValue(8.0, series1, type8); dataset.addValue(5.0, series2, type1); dataset.addValue(7.0, series2, type2); dataset.addValue(6.0, series2, type3); dataset.addValue(8.0, series2, type4); dataset.addValue(4.0, series2, type5); dataset.addValue(4.0, series2, type6); dataset.addValue(2.0, series2, type7); dataset.addValue(1.0, series2, type8); dataset.addValue(4.0, series3, type1); dataset.addValue(3.0, series3, type2); dataset.addValue(2.0, series3, type3); dataset.addValue(3.0, series3, type4); dataset.addValue(6.0, series3, type5); dataset.addValue(3.0, series3, type6); dataset.addValue(4.0, series3, type7); dataset.addValue(3.0, series3, type8); return dataset; } /** * Creates a sample chart. * * @param dataset a dataset. * * @return The chart. */ private JFreeChart createChart(final CategoryDataset dataset) { // create the chart... final JFreeChart chart = ChartFactory.createLineChart( "Line Chart Demo 1", // chart title "Type", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
// final StandardLegend legend = (StandardLegend) chart.getLegend();
// legend.setDisplaySeriesShapes(true); // legend.setShapeScaleX(1.5); // legend.setShapeScaleY(1.5); //legend.setDisplaySeriesLines(true); chart.setBackgroundPaint(Color.white); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setRangeGridlinePaint(Color.white); // customise the range axis... final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(true); // **************************************************************************** // * 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. * // **************************************************************************** // customise the renderer... final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
// renderer.setDrawShapes(true);
renderer.setSeriesStroke( 0, new BasicStroke( 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {10.0f, 6.0f}, 0.0f ) ); renderer.setSeriesStroke( 1, new BasicStroke( 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {6.0f, 6.0f}, 0.0f ) ); renderer.setSeriesStroke( 2, new BasicStroke( 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f ) ); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final LineChartDemo1 demo = new LineChartDemo1("Line Chart Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
}
</source>
JFreeChart: Line Chart Demo 5 showing the use of a custom drawing supplier
<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.] * * ------------------- * LineChartDemo5.java * ------------------- * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: LineChartDemo5.java,v 1.20 2004/05/10 16:45:23 mungady Exp $ * * Changes * ------- * 23-Apr-2003 : Version 1 (DG); * */
package org.jfree.chart.demo; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Polygon; import java.awt.Shape; import java.awt.geom.Rectangle2D; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.DefaultDrawingSupplier; import org.jfree.chart.plot.DrawingSupplier; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**
* A line chart demo showing the use of a custom drawing supplier. * */
public class LineChartDemo5 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public LineChartDemo5(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)); setContentPane(chartPanel); } /** * Creates a sample dataset. * * @return a sample dataset. */ private CategoryDataset createDataset() { // row keys... final String series1 = "First"; final String series2 = "Second"; final String series3 = "Third"; // column keys... final String type1 = "Type 1"; final String type2 = "Type 2"; final String type3 = "Type 3"; final String type4 = "Type 4"; final String type5 = "Type 5"; final String type6 = "Type 6"; final String type7 = "Type 7"; final String type8 = "Type 8"; // create the dataset... final DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(1.0, series1, type1); dataset.addValue(4.0, series1, type2); dataset.addValue(3.0, series1, type3); dataset.addValue(5.0, series1, type4); dataset.addValue(5.0, series1, type5); dataset.addValue(7.0, series1, type6); dataset.addValue(7.0, series1, type7); dataset.addValue(8.0, series1, type8); dataset.addValue(5.0, series2, type1); dataset.addValue(7.0, series2, type2); dataset.addValue(6.0, series2, type3); dataset.addValue(8.0, series2, type4); dataset.addValue(4.0, series2, type5); dataset.addValue(4.0, series2, type6); dataset.addValue(2.0, series2, type7); dataset.addValue(1.0, series2, type8); dataset.addValue(4.0, series3, type1); dataset.addValue(3.0, series3, type2); dataset.addValue(2.0, series3, type3); dataset.addValue(3.0, series3, type4); dataset.addValue(6.0, series3, type5); dataset.addValue(3.0, series3, type6); dataset.addValue(4.0, series3, type7); dataset.addValue(3.0, series3, type8); return dataset; } /** * Creates a sample chart. * * @param dataset the dataset. * * @return a chart. */ private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createLineChart( "Line Chart Demo 5", // chart title "Type", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls );
// final StandardLegend legend = (StandardLegend) chart.getLegend();
// legend.setDisplaySeriesShapes(true); final Shape[] shapes = new Shape[3]; int[] xpoints; int[] ypoints; // right-pointing triangle xpoints = new int[] {-3, 3, -3}; ypoints = new int[] {-3, 0, 3}; shapes[0] = new Polygon(xpoints, ypoints, 3); // vertical rectangle shapes[1] = new Rectangle2D.Double(-2, -3, 3, 6); // left-pointing triangle xpoints = new int[] {-3, 3, 3}; ypoints = new int[] {0, -3, 3}; shapes[2] = new Polygon(xpoints, ypoints, 3); final DrawingSupplier supplier = new DefaultDrawingSupplier( DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE, shapes ); final CategoryPlot plot = chart.getCategoryPlot(); plot.setDrawingSupplier(supplier); chart.setBackgroundPaint(Color.yellow); // set the stroke for each series... plot.getRenderer().setSeriesStroke( 0, new BasicStroke( 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {10.0f, 6.0f}, 0.0f ) ); plot.getRenderer().setSeriesStroke( 1, new BasicStroke( 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {6.0f, 6.0f}, 0.0f ) ); plot.getRenderer().setSeriesStroke( 2, new BasicStroke( 2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {2.0f, 6.0f}, 0.0f ) ); // customise the renderer... final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
// renderer.setDrawShapes(true);
renderer.setItemLabelsVisible(true); // renderer.setLabelGenerator(new StandardCategoryLabelGenerator()); // customise the range axis... final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(false); rangeAxis.setUpperMargin(0.12); return chart; } // **************************************************************************** // * 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) { final LineChartDemo5 demo = new LineChartDemo5("Line Chart Demo 5"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
}
</source>
JFreeChart: Line Chart Demo 6
<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.] * * ------------------- * LineChartDemo6.java * ------------------- * (C) Copyright 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: LineChartDemo6.java,v 1.5 2004/04/26 19:11:55 taqua Exp $ * * Changes * ------- * 27-Jan-2004 : Version 1 (DG); * */
package org.jfree.chart.demo; import java.awt.Color; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import org.jfree.ui.Spacer; /**
* A simple demonstration application showing how to create a line chart using data from an * {@link XYDataset}. * */
public class LineChartDemo6 extends ApplicationFrame {
/** * Creates a new demo. * * @param title the frame title. */ public LineChartDemo6(final String title) { super(title); final XYDataset dataset = createDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } /** * Creates a sample dataset. * * @return a sample dataset. */ private XYDataset createDataset() { final XYSeries series1 = new XYSeries("First"); series1.add(1.0, 1.0); series1.add(2.0, 4.0); series1.add(3.0, 3.0); series1.add(4.0, 5.0); series1.add(5.0, 5.0); series1.add(6.0, 7.0); series1.add(7.0, 7.0); series1.add(8.0, 8.0); final XYSeries series2 = new XYSeries("Second"); series2.add(1.0, 5.0); series2.add(2.0, 7.0); series2.add(3.0, 6.0); series2.add(4.0, 8.0); series2.add(5.0, 4.0); series2.add(6.0, 4.0); series2.add(7.0, 2.0); series2.add(8.0, 1.0); final XYSeries series3 = new XYSeries("Third"); series3.add(3.0, 4.0); series3.add(4.0, 3.0); series3.add(5.0, 2.0); series3.add(6.0, 3.0); series3.add(7.0, 6.0); series3.add(8.0, 3.0); series3.add(9.0, 4.0); series3.add(10.0, 3.0); final XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(series1); dataset.addSeries(series2); dataset.addSeries(series3); return dataset; } /** * Creates a chart. * * @param dataset the data for the chart. * * @return a chart. */ private JFreeChart createChart(final XYDataset dataset) { // create the chart... final JFreeChart chart = ChartFactory.createXYLineChart( "Line Chart Demo 6", // chart title "X", // x axis label "Y", // y axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white);
// final StandardLegend legend = (StandardLegend) chart.getLegend();
// legend.setDisplaySeriesShapes(true); // get a reference to the plot for further customisation... final XYPlot plot = chart.getXYPlot(); plot.setBackgroundPaint(Color.lightGray); // plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0)); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(); renderer.setSeriesLinesVisible(0, false); renderer.setSeriesShapesVisible(1, false); plot.setRenderer(renderer); // change the auto tick unit selection to integer units only... final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } // **************************************************************************** // * 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) { final LineChartDemo6 demo = new LineChartDemo6("Line Chart Demo 6"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
}
</source>
JFreeChart: Normal Distribution 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.] * * --------------------------- * NormalDistributionDemo.java * --------------------------- * (C) Copyright 2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: NormalDistributionDemo.java,v 1.1 2004/05/26 13:02:03 mungady Exp $ * * Changes * ------- * 25-May-2004 : 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.plot.PlotOrientation; import org.jfree.data.function.Function2D; import org.jfree.data.function.NormalDistributionFunction2D; import org.jfree.data.general.DatasetUtilities; import org.jfree.data.xy.XYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /**
* This demo shows a normal distribution function. */
public class NormalDistributionDemo extends ApplicationFrame {
/** * A demonstration application showing a normal distribution. * * @param title the frame title. */ public NormalDistributionDemo(final String title) { super(title); Function2D normal = new NormalDistributionFunction2D(0.0, 1.0); XYDataset dataset = DatasetUtilities.sampleFunction2D(normal, -5.0, 5.0, 100, "Normal"); final JFreeChart chart = ChartFactory.createXYLineChart( "XY Series Demo", "X", "Y", dataset, PlotOrientation.VERTICAL, true, true, false ); 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) { final NormalDistributionDemo demo = new NormalDistributionDemo("Normal Distribution Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); }
}
</source>