symbolicxyplotdemo.java

这是一个segy数据显示程序

/* ===========================================================
 * 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.]
 *
 * -----------------------
 * SymbolicXYPlotDemo.java
 * -----------------------
 * (C) Copyright 2002-2004, 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.SymbolicAxis;
import org.jfree.chart.labels.SymbolicXYItemLabelGenerator;
import org.jfree.chart.plot.CombinedDomainXYPlot;
import org.jfree.chart.plot.CombinedRangeXYPlot;
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(final String title, final String xAxisLabel,
                                                  final String yAxisLabel, final XYDataset data,
                                                  final boolean legend) {

        final SymbolicAxis xSymbolicAxis
            = new SymbolicAxis(xAxisLabel, ((XisSymbolic) data).getXSymbolicValues());

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

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

    }

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

        final String[] sData = {"Lion", "Elephant", "Monkey", "Hippopotamus", "Giraffe"};
        final 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() {

        final String[] sData = {"Giraffe", "Gazelle", "Zebra", "Gnu"};
        final 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() {

        final String[] xsData = {"Atmosphere", "Continental Ecosystem",
                           "Limnic Ecosystem", "Marine Ecosystem"};
        final 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"};

        final 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}
        };
        final 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}
        };
        final Integer[][] xData = (Integer[][]) toArray(xd);
        final Integer[][] yData = (Integer[][]) toArray(yd);
        final 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() {

        final String[] xsData = {"Physic pollutant", "Chemical pollutant", "Biological pollutant"};
        final 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"};

        final int[][] xd = {{0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2}};
        final int[][] yd = {{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}};
        final Integer[][] xData = (Integer[][]) toArray(xd);
        final Integer[][] yData = (Integer[][]) toArray(yd);
        final 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(final String frameTitle,
                                          final XYDataset data, final String chartTitle,
                                          final String xAxisLabel, final String yAxisLabel) {

        final JFreeChart chart = createXYSymbolicPlot(
            chartTitle, xAxisLabel, yAxisLabel, data, true
        );
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));
        final 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(final String frameTitle,
                                                  final XYDataset data1, final XYDataset data2) {

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

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

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

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

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

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

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

        final XYItemRenderer renderer2 = new StandardXYItemRenderer(
            StandardXYItemRenderer.SHAPES, null
        );