graph.jfreecharts.GraphFunction.java Source code

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Here is the source code for graph.jfreecharts.GraphFunction.java

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/*
*  This file is part of S:SIMS.
*
*  S:SIMS is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  S:SIMS 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 General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with S:SIMS.  If not, see <http://www.gnu.org/licenses/>.
*/

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package graph.jfreecharts;

import org.jfree.chart.*;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.axis.*;
import org.jfree.chart.renderer.xy.*;
import org.jfree.data.xy.*;
import org.jfree.chart.urls.*;
import java.text.*;

/**
 *
 * @author ragil
 */
public class GraphFunction {

    private static ChartTheme currentTheme = new StandardChartTheme("JFree");

    /**
     * Plots an xyerror graph using jfreecharts
     * @param title the title of the graph
     * @param xlabel the x axis title
     * @param ylabel the y axis title
     * @param legend the legend
     * @param data the data values
     */
    protected static void plotData(String title, String xlabel, String ylabel, String[] legend, double[][][] data) {

        DefaultIntervalXYDataset xydata = new DefaultIntervalXYDataset();

        for (int i = 0; i < legend.length; i++) {
            xydata.addSeries(legend[i], data[i]);
        }
        // create a chart...
        JFreeChart chart = GraphFunction.createXYIntervalChart(title, xlabel, ylabel, xydata,
                PlotOrientation.VERTICAL, true, true, false);
        // create and display a frame...
        ChartFrame frame = new ChartFrame("First", chart);
        frame.pack();
        frame.setVisible(true);
        frame.setDefaultCloseOperation(javax.swing.JFrame.DISPOSE_ON_CLOSE);
    }

    /**
     * A custom xyerror renderer because jfreecharts does not
     * have it supported in the api.
     * @param title the graph title
     * @param xAxisLabel the xaxis title
     * @param yAxisLabel the yaxis title
     * @param dataset the xydataset
     * @param orientation the plot orientation
     * @param legend true to turn on legend
     * @param tooltips true to turn on tooltips (the pop up when right click)
     * @param urls // no idea what this is for
     * @return
     */
    private static JFreeChart createXYIntervalChart(String title, String xAxisLabel, String yAxisLabel,
            XYDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        NumberAxis xAxis = new NumberAxis(xAxisLabel);
        xAxis.setAutoRangeIncludesZero(false);
        NumberAxis yAxis = new NumberAxis(yAxisLabel);
        XYErrorRenderer renderer = new XYErrorRenderer();

        renderer.setDrawXError(true);
        renderer.setDrawYError(true);

        xAxis.setNumberFormatOverride(new DecimalFormat("0.######E0"));
        yAxis.setNumberFormatOverride(new DecimalFormat("0.######E0"));

        xAxis.setAutoRangeIncludesZero(false);
        yAxis.setAutoRangeIncludesZero(false);

        XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
        plot.setOrientation(orientation);
        if (tooltips) {
            renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
        }
        if (urls) {
            renderer.setURLGenerator(new StandardXYURLGenerator());
        }

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
        currentTheme.apply(chart);
        return chart;

    }
}