Example usage for org.jfree.data.general DefaultPieDataset setValue

List of usage examples for org.jfree.data.general DefaultPieDataset setValue

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Introduction

In this page you can find the example usage for org.jfree.data.general DefaultPieDataset setValue.

Prototype

public void setValue(Comparable key, double value)

Source Link

Document

Sets the data value for a key and sends a DatasetChangeEvent to all registered listeners.

Usage

From source file:com.gallatinsystems.common.util.JFreechartChartUtil.java

/**
 * generates a pie chart with the set of labels and values passed in (the labels and values
 * arrays must both be non-null and contain the same number of elements). The chart is returned
 * as a byte array representing the image.
 * /*from  ww w .  j  a  va2  s  . c o m*/
 * @param labels
 * @param values
 * @param title
 * @param width
 * @param height
 * @return - byte array containing the image, null if there is an error.
 */
public static byte[] getPieChart(List<String> labels, List<String> values, String title, int width,
        int height) {
    DefaultPieDataset pieDataset = new DefaultPieDataset();

    for (int i = 0; i < labels.size(); i++) {
        pieDataset.setValue(labels.get(i) + " (" + values.get(i) + ")", Double.parseDouble(values.get(i)));
    }
    JFreeChart chart = ChartFactory.createPieChart(title, pieDataset, false, false, false);
    try {
        return ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height));
    } catch (Exception e) {
        e.printStackTrace(System.err);
        return null;
    }

}

From source file:org.jfree.chart.demo.XYDrawableAnnotationDemo1.java

private static JFreeChart createPieChart() {
    DefaultPieDataset defaultpiedataset = new DefaultPieDataset();
    defaultpiedataset.setValue("Engineering", 43.200000000000003D);
    defaultpiedataset.setValue("Research", 13.199999999999999D);
    defaultpiedataset.setValue("Advertising", 20.899999999999999D);
    PiePlot pieplot = new PiePlot(defaultpiedataset);
    pieplot.setBackgroundPaint(null);//from   ww w. ja v a2s  .c  o  m
    pieplot.setOutlinePaint(null);
    pieplot.setBaseSectionOutlinePaint(Color.white);
    pieplot.setBaseSectionOutlineStroke(new BasicStroke(2.0F));
    pieplot.setLabelFont(new Font("Dialog", 0, 18));
    pieplot.setMaximumLabelWidth(0.25D);
    JFreeChart jfreechart = new JFreeChart(pieplot);
    jfreechart.setBackgroundPaint(null);
    jfreechart.removeLegend();
    jfreechart.setPadding(RectangleInsets.ZERO_INSETS);
    return jfreechart;
}

From source file:org.jfree.chart.demo.selection.SelectionDemo6Pie.java

private static PieDataset createDataset() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue("One", 43.2);
    dataset.setValue("Two", 10.0);
    dataset.setValue("Three", 27.5);
    dataset.setValue("Four", 17.5);
    dataset.setValue("Five", 11.0);
    dataset.setValue("Six", 19.4);
    return dataset;
}

From source file:graphic.Grafico.java

private static javax.swing.JPanel pizza3D(ArrayList nome, ArrayList valor, String tituloGrafico,
        float transparencia, String tipo) {
    DefaultPieDataset data = new DefaultPieDataset();

    for (int i = 0; i < nome.toArray().length; i++) {
        data.setValue("" + nome.get(i).toString(), new Double(valor.get(i).toString()));
    }/*  ww  w  . ja v a  2s . com*/

    JFreeChart chart = ChartFactory.createPieChart3D(tituloGrafico, data, true, true, true);

    java.awt.Color cor = new java.awt.Color(200, 200, 200);
    chart.setBackgroundPaint(cor);
    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    plot.setLabelLinksVisible(true);
    plot.setNoDataMessage("No existem dados para serem exibidos no grfico");

    plot.setStartAngle(90);
    plot.setDirection(Rotation.CLOCKWISE);

    plot.setForegroundAlpha(transparencia);
    plot.setInteriorGap(0.20);

    ChartPanel chartPanel = new ChartPanel(chart);

    return chartPanel;
}

From source file:com.globalsight.util.JfreeCharUtil.java

private static PieDataset buildDatas(Map<String, Double> datas) {
    DefaultPieDataset dataset = new DefaultPieDataset();
    for (String key : datas.keySet()) {
        dataset.setValue(key, datas.get(key));
    }//w ww.  ja v a2s . c  o  m
    return dataset;
}

From source file:frequencyassignment.charts.Charts.java

public static void displayPie(String name, HashMap<String, Double> categoryValue) {
    DefaultPieDataset data = new DefaultKeyedValuesDataset();
    for (Map.Entry<String, Double> entry : categoryValue.entrySet()) {
        data.setValue(entry.getKey(), entry.getValue());
    }/*  ww  w.  j  av  a2 s.c  o m*/
    JFreeChart chart = ChartFactory.createPieChart("Pie Chart", data, true, true, true);
    ChartFrame frame = new ChartFrame(name, chart);
    frame.pack();
    frame.setVisible(true);
}

From source file:br.com.ifpb.models.Grafico.java

/**
 * //from   w  ww.  j a  va2  s .c  o m
 * @param nome
 * @param valor
 * @param tituloGrafico
 * @param transparencia
 * @param tipo
 * @return 
 */
private static javax.swing.JPanel pizza3D(ArrayList nome, ArrayList valor, String tituloGrafico,
        float transparencia, String tipo) {

    DefaultPieDataset data = new DefaultPieDataset();

    for (int i = 0; i < nome.toArray().length; i++) {
        data.setValue("" + nome.get(i).toString(), new Double(valor.get(i).toString()));
    }

    JFreeChart chart = ChartFactory.createPieChart3D(tituloGrafico, data, true, true, true);
    java.awt.Color cor = new java.awt.Color(200, 200, 200);
    chart.setBackgroundPaint(cor);
    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    plot.setLabelLinksVisible(true);
    plot.setNoDataMessage("No existem dados para serem exibidos ");

    plot.setStartAngle(90);
    plot.setDirection(Rotation.CLOCKWISE);
    plot.setForegroundAlpha(transparencia);
    plot.setInteriorGap(0.20);

    ChartPanel chartPanel = new ChartPanel(chart);

    return chartPanel;
}

From source file:org.hxzon.demo.jfreechart.PieDatasetDemo.java

private static PieDataset createDataset() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue("One", new Double(43.2));
    dataset.setValue("Two", new Double(10.0));
    dataset.setValue("Three", new Double(27.5));
    dataset.setValue("Four", new Double(17.5));
    dataset.setValue("Five", new Double(11.0));
    dataset.setValue("Six", new Double(19.4));
    return dataset;
}

From source file:org.hxzon.demo.jfreechart.PieDatasetDemo.java

private static PieDataset createPreviousDataset() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue("One", new Double(45.2));
    dataset.setValue("Two", new Double(10.0));
    dataset.setValue("Three", new Double(20.5));
    dataset.setValue("Four", new Double(12.5));
    dataset.setValue("Five", new Double(31.0));
    dataset.setValue("Six", new Double(19.4));
    return dataset;
}

From source file:org.jfree.graphics2d.demo.SVGChartWithAnnotationsDemo1.java

private static JFreeChart createPieChart() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue("Engineering", 43.2);
    dataset.setValue("Research", 13.2);
    dataset.setValue("Advertising", 20.9);
    PiePlot plot = new PiePlot(dataset);
    plot.setBackgroundPainter(null);/*w ww.java 2 s  . co  m*/
    plot.setBorderPainter(null);
    plot.setBaseSectionOutlinePaint(Color.white);
    plot.setBaseSectionOutlineStroke(new BasicStroke(2.0f));
    plot.setLabelFont(new Font("Dialog", Font.PLAIN, 18));
    plot.setMaximumLabelWidth(0.25);
    JFreeChart chart = new JFreeChart(plot);
    chart.setBackgroundPainter(null);
    chart.removeLegend();
    chart.setPadding(RectangleInsets.ZERO_INSETS);
    return chart;
}