edu.ucla.stat.SOCR.chart.demo.BarChart3DDemo3.java Source code

Java tutorial

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Here is the source code for edu.ucla.stat.SOCR.chart.demo.BarChart3DDemo3.java

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package edu.ucla.stat.SOCR.chart.demo;

import java.beans.PropertyChangeListener;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;

import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable;
import edu.ucla.stat.SOCR.chart.SuperCategoryChart_Bar3D;
import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator;

/**
 * This demonstration shows a 3D bar chart with item labels displayed.
 */
public class BarChart3DDemo3 extends SuperCategoryChart_Bar3D implements PropertyChangeListener {

    public void doTest() {
        JFreeChart chart;
        ChartGenerator_JTable chartMaker = new ChartGenerator_JTable();

        resetChart();
        showMessageDialog(chartTitle + " doTest get called!");

        int no_series = dataTable.getRowCount() - 1;
        int no_category = dataTable.getColumnCount() - 2;
        int[][] pairs = new int[no_category][2];
        for (int i = 0; i < no_category; i++) {
            pairs[i][0] = i + 1; //column i store category i
            pairs[i][1] = 0; //column 0 stores series name
        }
        chart = chartMaker.getCategoryChart("Bar", chartTitle, "Category", "value", dataTable, no_category, pairs,
                "3D");
        chartPanel = new ChartPanel(chart, false);

        setChart();
    }

    /**
     * Creates a sample dataset.
     *
     * @return A sample dataset.
     */
    protected CategoryDataset createDataset(boolean isDemo) {
        if (isDemo) {
            DefaultCategoryDataset dataset = new DefaultCategoryDataset();
            dataset.addValue(25.0, "Series 1", "Category 1");
            dataset.addValue(34.0, "Series 1", "Category 2");
            dataset.addValue(19.0, "Series 2", "Category 1");
            dataset.addValue(29.0, "Series 2", "Category 2");
            dataset.addValue(41.0, "Series 3", "Category 1");
            dataset.addValue(33.0, "Series 3", "Category 2");
            return dataset;
        } else
            return super.createDataset(false);

    }

    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return The chart.
     */
    protected JFreeChart createChart(CategoryDataset dataset) {

        JFreeChart chart = ChartFactory.createBarChart3D(chartTitle, // chart title
                domainLabel, // domain axis label
                rangeLabel, // range axis label
                dataset, // data
                PlotOrientation.VERTICAL, // orientation
                !legendPanelOn, // include legend
                true, // tooltips
                false // urls
        );

        CategoryPlot plot = chart.getCategoryPlot();
        CategoryAxis axis = plot.getDomainAxis();
        axis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 8.0));

        CategoryItemRenderer renderer = plot.getRenderer();
        renderer.setBaseItemLabelsVisible(true);
        BarRenderer r = (BarRenderer) renderer;
        r.setMaximumBarWidth(0.05);
        r.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator());
        setCategorySummary(dataset);
        return chart;

    }

}