1

質問を正しく表現できなかったのかもしれません。ゼロから値を開始し、それを目的のポイントまで埋める極座標チャートを描画したいことを説明します。グラフをプロットすると、次のように表示されます これは私がまだ達成できたことです

しかし、私はこのようなものを探しています これが私が探しているものです

これがサンプルコードです

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.PolarChartPanel;
import org.jfree.chart.plot.PolarPlot;
import org.jfree.chart.renderer.DefaultPolarItemRenderer;
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;

public class PolarCharDemo extends ApplicationFrame {
    private static final long serialVersionUID = 1L;
    double [][] myData = {{12.1,7.9,3.29,1.01,0,145},
                {12.6,8.4,3.22,1,0,145},
                {13.1,8.1,3.29,0.97,0,145},
                {10,7.5,3.22,0.93,0,145},
                {11.4,8.2,3.1,0.93,0,145},
                {11.7,7.3,2.99,0.9,0,145},
                {10.3,8,2.97,0.89,0,145},
                {8.8,7,3.05,0.9,0,145},
                {9.8,6.7,3.13,0.93,0,145},
                {11.1,7.1,3.05,0.91,0,145},
                {8.8,6.2,3.12,0.95,0,145},
                {9.6,7,2.82,0.44,2.3,5},
                {10.2,6.8,2.82,0.47,3.2,5},
                {9.4,6.8,2.76,0.41,2.9,5},
                {10,7,2.61,0.44,3.3,45},
                {12.8,8,2.95,0.49,2.2,50},
                {9.9,7.1,4.08,1.01,0.6,45},
                {7.1,4.4,2.23,0.4,1.5,5},
                {5,4,2.1,0.37,2.3,5},
                {7.2,4.1,2.17,0.37,1.5,5},
                {7.1,4.3,2.09,0.36,2,5},
                {5.1,4.1,2.17,0.38,2.1,5},
                {4.2,3.9,2.16,0.41,1.9,5},
                {4.9,3.9,2.08,0.35,2.5,5},
                {4.3,3.5,2.09,0.34,3,5}};
    /**
     * Creates a new instance of the demo.
     * 
     * @param title  the frame title.
     */
    public PolarCharDemo(final String title) {
        super(title);
        final XYDataset dataset = createAvgDataset();
        final JFreeChart chart = createChart(dataset);
        final ChartPanel chartPanel = new PolarChartPanel(chart);
        chartPanel.setPreferredSize(new Dimension(1000, 670));
        chartPanel.setEnforceFileExtensions(false);
        setContentPane(chartPanel);
    }
    /**
     * Creates a sample chart.
     * @param dataset  the dataset.
     * @return A sample chart.
     */
    private JFreeChart createChart(final XYDataset dataset) {
        final JFreeChart chart = ChartFactory.createPolarChart("", dataset, true, true, false); 
        final PolarPlot plot = (PolarPlot) chart.getPlot();
        plot.setBackgroundPaint(Color.WHITE);
        plot.setAngleGridlinePaint(Color.BLACK);
        plot.setRadiusGridlinePaint(Color.LIGHT_GRAY);

        final DefaultPolarItemRenderer renderer = (DefaultPolarItemRenderer) plot.getRenderer();
        renderer.setSeriesFilled(0, true);
        renderer.setSeriesPaint(0, Color.BLUE);
        renderer.setSeriesFilled(1, true);
        renderer.setSeriesPaint(1, Color.RED);
        renderer.setSeriesFilled(2, true);
        renderer.setSeriesPaint(2, Color.YELLOW);
        renderer.setSeriesFilled(3, true);
        renderer.setSeriesPaint(3, Color.GREEN);
        return chart;
    }
    /**
     * Creates an Average dataset.
     * @return An average dataset.
     */
    private XYDataset createAvgDataset() {    
        final XYSeriesCollection data = new XYSeriesCollection();
        XYSeries series0 = new XYSeries("Series1");
        XYSeries series1 = new XYSeries("Series2");
        XYSeries series2 = new XYSeries("Series3");
        for(int i=0;i<myData.length;i++)
        {
            series0.add(myData[i][5], myData[i][0]);
            series1.add(myData[i][5], myData[i][1]);
            series2.add(myData[i][5], myData[i][2]);
        }
        data.addSeries(series0);
        data.addSeries(series1);
        data.addSeries(series2);
        return data;
    }    

    /**
     * Main program that creates a thermometer and places it into
     * a JFrame.
     *
     * @param argv Command line arguements - none used.
     */
    public static void main(final String[] argv) {

        final PolarCharDemo demo = new PolarCharDemo("Polar Chart");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }   
}
4

1 に答える 1

2

あなたのデータを理解できるかどうかはわかりませんが、データに原点を追加できる角度範囲に値を正規化すると役立つ場合があり(0, 0)ます。以下の例では、ゼロを選択しました。

ここに画像の説明を入力してください

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import javax.swing.JFrame;
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.PolarPlot;
import org.jfree.chart.renderer.DefaultPolarItemRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

/** @see http://stackoverflow.com/a/12607586/230513 */
public class PolarCharDemo {

    private static final String title = "PolarChart";
    private static final double START = 0;
    private static final double END = 145;

    private void display() {
        JFrame f = new JFrame(title);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        ChartPanel panel = new ChartPanel(createChart(createDataset()));
        panel.setPreferredSize(new Dimension(500, 500));
        f.add(panel);
        f.pack();
        f.setLocationRelativeTo(null);
        f.setVisible(true);
    }

    private JFreeChart createChart(XYDataset dataset) {
        JFreeChart chart = ChartFactory.createPolarChart(
            title, dataset, true, false, false);
        PolarPlot plot = (PolarPlot) chart.getPlot();
        plot.setBackgroundPaint(Color.white);
        plot.setAngleGridlinePaint(Color.black);
        plot.setRadiusGridlinePaint(Color.lightGray);
        DefaultPolarItemRenderer r = (DefaultPolarItemRenderer) plot.getRenderer();
        r.setFillComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
        for (int i = 0; i < dataset.getSeriesCount(); i++ ) {
            r.setSeriesFilled(i, true);
            r.setShapesVisible(false);
            r.setDrawOutlineWhenFilled(false);
        }
        NumberAxis rangeAxis = (NumberAxis) plot.getAxis();
        rangeAxis.setTickLabelsVisible(false);
        return chart;
    }

    private XYDataset createDataset() {
        XYSeriesCollection result = new XYSeriesCollection();
        for (int r = 4; r > 0; r--) {
            XYSeries series = new XYSeries(title + String.valueOf(r));
            series.add(0, 0);
            for (int t = (int) START; t <= END; t++) {
                series.add(t, r);
            }
            result.addSeries(series);
        }
        return result;
    }

    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {

            @Override
            public void run() {
                new PolarCharDemo().display();
            }
        });
    }
}
于 2012-09-26T17:54:19.757 に答える