symbolicxyplotdemo.java

Web图形化的Java库

/* ======================================
 * JFreeChart : a free Java chart library
 * ======================================
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 * Project Lead:  David Gilbert ([e-mail]);
 *
 * (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.
 *
 * -----------------------
 * SymbolicXYPlotDemo.java
 * -----------------------
 * (C) Copyright 2002, 2003, by Anthony Boulestreau and Contributors.
 *
 * Original Author:  Anthony Boulestreau;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 *
 * Changes
 * -------
 * 29-Mar-2002 : Version 1 (AB);
 * 09-Apr-2002 : Minor changes reflecting the API change for XYItemRenderer (DG);
 * 23-Apr-2002 : Updated to reflect changes in the combined plot classes (DG);
 * 11-Oct-2002 : Fixed errors reported by Checkstyle (DG);
 *
 */

package org.jfree.chart.demo;

import java.awt.Color;
import java.awt.GradientPaint;
import java.lang.reflect.Array;

import javax.swing.JFrame;

import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.SymbolicAxis;
import org.jfree.chart.labels.SymbolicXYToolTipGenerator;
import org.jfree.chart.plot.CombinedDomainXYPlot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.StandardXYItemRenderer;
import org.jfree.chart.renderer.XYItemRenderer;
import org.jfree.data.CombinedDataset;
import org.jfree.data.SubSeriesDataset;
import org.jfree.data.XYDataset;
import org.jfree.data.XisSymbolic;
import org.jfree.data.YisSymbolic;
import org.jfree.ui.RefineryUtilities;

/**
 * A demonstration application for the symbolic XY plots.
 *
 * @author Anthony Boulestreau
 */
public class SymbolicXYPlotDemo {

    /**
     * Creates a XY graph with symbolic value on X and Y axis.
     *
     * @param title  the title.
     * @param xAxisLabel  the x axis label.
     * @param yAxisLabel  the y axis label.
     * @param data  the dataset.
     * @param legend  create a legend?
     *
     * @return a chart.
     */
    public static JFreeChart createXYSymbolicPlot(String title, String xAxisLabel,
                                                  String yAxisLabel, XYDataset data,
                                                  boolean legend) {

        //HorizontalSymbolicAxis xSymbolicAxis
        //    = new HorizontalSymbolicAxis(xAxisLabel, ((XisSymbolic) data).getXSymbolicValues());
        NumberAxis xSymbolicAxis = new NumberAxis("TEST");

        SymbolicAxis ySymbolicAxis
            = new SymbolicAxis(yAxisLabel, ((YisSymbolic) data).getYSymbolicValues());

        XYPlot plot = new XYPlot(data, xSymbolicAxis, ySymbolicAxis, null);
        XYItemRenderer renderer
            = new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES,
                                         new SymbolicXYToolTipGenerator());
        plot.setRenderer(renderer);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
        return chart;

    }

    /**
     * Creates a sample dataset.
     *
     * @return a dataset.
     */
    public static SampleYSymbolicDataset createYSymbolicSample1() {

        String[] sData = {"Lion", "Elephant", "Monkey", "Hippopotamus", "Giraffe"};
        SampleYSymbolicDataset data = new SampleYSymbolicDataset("AY Sample", 20, sData, 4, 20,
            new String[] {"Fall", "Spring", "Summer", "Winter"});
        return data;

    }

    /**
     * Creates a sample dataset.
     *
     * @return a dataset.
     */
    public static SampleYSymbolicDataset createYSymbolicSample2() {

        String[] sData = {"Giraffe", "Gazelle", "Zebra", "Gnu"};
        SampleYSymbolicDataset data = new SampleYSymbolicDataset("BY Sample", 40, sData, 4, 10,
            new String[] {"Fall", "Spring", "Summer", "Winter"});
        return data;

    }

    /**
     * Creates a sample dataset.
     *
     * @return a dataset.
     */
    public static SampleXYSymbolicDataset createXYSymbolicSample1() {

        String[] xsData = {"Atmosphere", "Continental Ecosystem",
                           "Limnic Ecosystem", "Marine Ecosystem"};
        String[] ysData = {"Ionizing radiations", "Thermic pollutants", "Hydrocarbon",
                           "Synthetic materials", "Pesticides", "Detergent",
                           "Synthetic organic materials", "Sulphur", "Nitrate", "Phosphate",
                           "Heavy metals", "Fluors", "Aerosols", "Dead organic materials",
                           "Pathogen micro-organisms"};

        int[][] xd = {{0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
                       2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}};
        int[][] yd = {{0, 2, 3, 7, 10, 11, 12, 14, 0, 2, 3, 4, 7, 8, 9, 10, 11, 12, 14, 0, 1, 2, 3,
                       4, 5, 7, 8, 9, 10, 13, 14, 0, 1, 2, 3, 4, 5, 8, 9, 10, 13, 14}};
        Integer[][] xData = (Integer[][]) toArray(xd);
        Integer[][] yData = (Integer[][]) toArray(yd);
        SampleXYSymbolicDataset xySymbolicData = new SampleXYSymbolicDataset("AXY Sample",
            xData, yData, xsData, ysData, new String[] {"A"});
        return xySymbolicData;

    }

    /**
     * Creates a sample dataset.
     *
     * @return a dataset.
     */
    public static SampleXYSymbolicDataset createXYSymbolicSample2() {

        String[] xsData = {"Physic pollutant", "Chemical pollutant", "Biological pollutant"};
        String[] ysData = {"Ionizing radiations", "Thermic pollutants", "Hydrocarbon",
                            "Synthetic materials", "Pesticides", "Detergent",
                            "Synthetic organic materials", "Sulphur", "Nitrate", "Phosphate",
                            "Heavy metals", "Fluors", "Aerosols", "Dead organic materials",
                            "Pathogen micro-organisms"};

        int[][] xd = {{0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2}};
        int[][] yd = {{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}};
        Integer[][] xData = (Integer[][]) toArray(xd);
        Integer[][] yData = (Integer[][]) toArray(yd);
        SampleXYSymbolicDataset xySymbolicData = new SampleXYSymbolicDataset("BXY Sample",
            xData, yData, xsData, ysData, new String[] {"B"});
        return xySymbolicData;

    }

    /**
     * Displays an XYPlot with symbolic axes.
     *
     * @param frameTitle  the frame title.
     * @param data  the dataset.
     * @param chartTitle  the chart title.
     * @param xAxisLabel  the x axis label.
     * @param yAxisLabel  the y axis label.
     */
    private static void displayXYSymbolic(String frameTitle,
                                          XYDataset data, String chartTitle,
                                          String xAxisLabel, String yAxisLabel) {

        JFreeChart chart = createXYSymbolicPlot(chartTitle, xAxisLabel, yAxisLabel, data, true);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));
        JFrame frame = new ChartFrame(frameTitle, chart);
        frame.pack();
        RefineryUtilities.positionFrameRandomly(frame);
        frame.show();

    }

   /**
    * Displays an overlaid XYPlot with X and Y symbolic data.
    *
    * @param frameTitle  the frame title.
    * @param data1  the dataset 1.
    * @param data2  the dataset 2.
    */
    private static void displayXYSymbolicOverlaid(String frameTitle,
                                                  XYDataset data1, XYDataset data2) {

        String title = "Pollutant Overlaid";
        String xAxisLabel = "Contamination and Type";
        String yAxisLabel = "Pollutant";

        // combine the x symbolic values of the two data sets
        String[] combinedXSymbolicValues
            = SampleXYSymbolicDataset.combineXSymbolicDataset((XisSymbolic) data1,
                                                              (XisSymbolic) data2);

        // combine the y symbolic values of the two data sets
        String[] combinedYSymbolicValues
            = SampleXYSymbolicDataset.combineYSymbolicDataset((YisSymbolic) data1,
                                                              (YisSymbolic) data2);

        // make master dataset...
        CombinedDataset data = new CombinedDataset();
        data.add(data1);
        data.add(data2);

        // decompose data...
        XYDataset series0 = new SubSeriesDataset(data, 0);
        XYDataset series1 = new SubSeriesDataset(data, 1);

        // create overlaid plot...
        SymbolicAxis hsymbolicAxis = new SymbolicAxis(xAxisLabel, combinedXSymbolicValues);
        SymbolicAxis vsymbolicAxis = new SymbolicAxis(yAxisLabel, combinedYSymbolicValues);

        XYItemRenderer renderer1 = new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES, null);
        XYPlot plot = new XYPlot(series0, hsymbolicAxis, vsymbolicAxis, renderer1);