Example usage for org.jfree.data.statistics HistogramDataset HistogramDataset

Introduction

In this page you can find the example usage for org.jfree.data.statistics HistogramDataset HistogramDataset.

Prototype

public HistogramDataset() 

Source Link

Document

Creates a new (empty) dataset with a default type of HistogramType .FREQUENCY.

Usage

From source file:org.geopublishing.atlasStyler.classification.FeatureClassification.java

@Override
public BufferedImage createHistogramImage(boolean showMean, boolean showSd, int histogramBins,
        String label_xachsis) throws InterruptedException, IOException {
    HistogramDataset hds = new HistogramDataset();
    DoubleArrayList valuesAL;//from   w  w w.j  av a2  s .  c  o m
    valuesAL = getStatistics().elements();
    // new double[] {0.4,3,4,2,5.,22.,4.,2.,33.,12.}
    double[] elements = Arrays.copyOf(valuesAL.elements(), getStatistics().size());
    hds.addSeries(1, elements, histogramBins);

    /** Statically label the Y Axis **/
    String label_yachsis = ASUtil.R("QuantitiesClassificationGUI.Histogram.YAxisLabel");

    JFreeChart chart = org.jfree.chart.ChartFactory.createHistogram(null, label_xachsis, label_yachsis, hds,
            PlotOrientation.VERTICAL, false, true, true);

    /***********************************************************************
     * Paint the classes into the JFreeChart
     */
    int countLimits = 0;
    for (Double cLimit : getClassLimits()) {
        ValueMarker marker = new ValueMarker(cLimit);
        XYPlot plot = chart.getXYPlot();
        marker.setPaint(Color.orange);
        marker.setLabel(String.valueOf(countLimits));
        marker.setLabelAnchor(RectangleAnchor.TOP_LEFT);
        marker.setLabelTextAnchor(TextAnchor.TOP_RIGHT);
        plot.addDomainMarker(marker);

        countLimits++;
    }

    /***********************************************************************
     * Optionally painting SD and MEAN into the histogram
     */
    try {
        if (showSd) {
            ValueMarker marker;
            marker = new ValueMarker(getStatistics().standardDeviation(), Color.green.brighter(),
                    new BasicStroke(1.5f));
            XYPlot plot = chart.getXYPlot();
            marker.setLabel(ASUtil.R("QuantitiesClassificationGUI.Histogram.SD.ShortLabel"));
            marker.setLabelAnchor(RectangleAnchor.BOTTOM_LEFT);
            marker.setLabelTextAnchor(TextAnchor.BOTTOM_RIGHT);
            plot.addDomainMarker(marker);
        }

        if (showMean) {
            ValueMarker marker;
            marker = new ValueMarker(getStatistics().mean(), Color.green.darker(), new BasicStroke(1.5f));
            XYPlot plot = chart.getXYPlot();
            marker.setLabel(ASUtil.R("QuantitiesClassificationGUI.Histogram.Mean.ShortLabel"));
            marker.setLabelAnchor(RectangleAnchor.BOTTOM_LEFT);
            marker.setLabelTextAnchor(TextAnchor.BOTTOM_RIGHT);
            plot.addDomainMarker(marker);
        }

    } catch (Exception e) {
        LOGGER.error("Painting SD and MEAN into the histogram", e);
    }

    /***********************************************************************
     * Render the Chart
     */
    BufferedImage image = chart.createBufferedImage(400, 200);

    return image;
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * A test for a bug reported in the forum where the series name isn't being
 * returned correctly.//  w  ww .j  a  v  a 2s.  c o  m
 */
@Test
public void testGetSeriesKey() {
    double[] values = { 1.0, 2.0, 3.0, 4.0, 6.0, 12.0, 5.0, 6.3, 4.5 };
    HistogramDataset d1 = new HistogramDataset();
    d1.addSeries("Series 1", values, 5);
    assertEquals("Series 1", d1.getSeriesKey(0));
}

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From source file:net.imglib2.script.analysis.Histogram.java

/** Return the JFreeChart with this histogram, and as a side effect, show it in a JFrame
 * that provides the means to edit the dimensions and also the plot properties via a popup menu. */
public JFreeChart asChart(final boolean show) {
    double[] d = new double[this.size()];
    int i = 0;/*  w w  w  .ja  v a  2s  .c om*/
    for (Number num : this.values())
        d[i++] = num.doubleValue();
    HistogramDataset hd = new HistogramDataset();
    hd.setType(HistogramType.RELATIVE_FREQUENCY);
    String title = "Histogram";
    hd.addSeries(title, d, d.length);
    JFreeChart chart = ChartFactory.createHistogram(title, "", "", hd, PlotOrientation.VERTICAL, false, false,
            false);
    setTheme(chart);
    if (show) {
        JFrame frame = new JFrame(title);
        frame.getContentPane().add(new ChartPanel(chart));
        frame.pack();
        frame.setVisible(true);
    }
    return chart;
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * Some checks for the addSeries() method.
 *///from  w  w  w . ja  v a 2  s  .com
@Test
public void testAddSeries() {
    double[] values = { -1.0, 0.0, 0.1, 0.9, 1.0, 1.1, 1.9, 2.0, 3.0 };
    HistogramDataset d = new HistogramDataset();
    d.addSeries("S1", values, 2, 0.0, 2.0);
    assertEquals(0.0, d.getStartXValue(0, 0), EPSILON);
    assertEquals(1.0, d.getEndXValue(0, 0), EPSILON);
    assertEquals(4.0, d.getYValue(0, 0), EPSILON);

    assertEquals(1.0, d.getStartXValue(0, 1), EPSILON);
    assertEquals(2.0, d.getEndXValue(0, 1), EPSILON);
    assertEquals(5.0, d.getYValue(0, 1), EPSILON);
}

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From source file:presenter.MainPresenter.java

@Override
public void createHistogram() {
    HistogramDataset histData = new HistogramDataset();
    histData.setType(HistogramType.FREQUENCY);
    double[] values = this.emissionsequenceModel.getEmissionsAsArray();
    histData.addSeries("H1", values, EmissionsequenceModel.EMISSIONCOUNT);

    JFreeChart chart;//from   w  w w.ja  v a2s  .com
    if (this.model != null) {
        chart = ChartFactory.createHistogram(this.model.getName(), "EmissionID", "Frequency", histData,
                PlotOrientation.VERTICAL, false, false, false);
    } else {
        chart = ChartFactory.createHistogram("unknown Model", "EmissionID", "Frequency", histData,
                PlotOrientation.VERTICAL, false, false, false);
    }
    new HistogramView(new ChartPanel(chart));
}

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From source file:visualizer.projection.distance.view.DistanceHistogram.java

private IntervalXYDataset createDataset(DistanceMatrix dmat) {
    HistogramDataset histogramdataset = new HistogramDataset();
    int nrDistances = ((dmat.getElementCount() * dmat.getElementCount()) - dmat.getElementCount()) / 2;

    double[] ad = new double[nrDistances];
    int index = 0;

    for (int i = 0; i < dmat.getElementCount() - 1; i++) {
        for (int j = dmat.getElementCount() - 1; j > i; j--) {
            ad[index] = (dmat.getDistance(i, j) - dmat.getMinDistance())
                    / (dmat.getMaxDistance() - dmat.getMinDistance());
            index++;//from ww  w.  ja  va  2s .c  om
        }
    }

    histogramdataset.addSeries("", ad, 200, 0, 1);

    return histogramdataset;
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * Another check for the addSeries() method.
 *//*ww w .j  av a 2s .c  o  m*/
@Test
public void testAddSeries2() {
    double[] values = { 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 };
    HistogramDataset hd = new HistogramDataset();
    hd.addSeries("S1", values, 5);
    assertEquals(0.0, hd.getStartXValue(0, 0), EPSILON);
    assertEquals(1.0, hd.getEndXValue(0, 0), EPSILON);
    assertEquals(1.0, hd.getYValue(0, 0), EPSILON);
    assertEquals(1.0, hd.getStartXValue(0, 1), EPSILON);
    assertEquals(2.0, hd.getEndXValue(0, 1), EPSILON);
    assertEquals(1.0, hd.getYValue(0, 1), EPSILON);
    assertEquals(2.0, hd.getStartXValue(0, 2), EPSILON);
    assertEquals(3.0, hd.getEndXValue(0, 2), EPSILON);
    assertEquals(1.0, hd.getYValue(0, 2), EPSILON);
    assertEquals(3.0, hd.getStartXValue(0, 3), EPSILON);
    assertEquals(4.0, hd.getEndXValue(0, 3), EPSILON);
    assertEquals(1.0, hd.getYValue(0, 3), EPSILON);
    assertEquals(4.0, hd.getStartXValue(0, 4), EPSILON);
    assertEquals(5.0, hd.getEndXValue(0, 4), EPSILON);
    assertEquals(2.0, hd.getYValue(0, 4), EPSILON);
}

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From source file:agentlogfileanalyzer.histogram.AbstractHistogram.java

/**
 * Returns a panel containing a histogram. The data displayed in the
 * histogram is given as parameter. Data not inside the given limits is
 * discarded./*from w w w  .ja  va2s  . c o  m*/
 * 
 * @param _histogramData
 *            the data displayed in the histogram
 * @param _lowerLimit
 *            the lower limit that was entered by the user
 * @param _upperLimit
 *            the upper limit that was entered by the user
 * @return a <code>JPanel</code> containing the histogram
 */
JPanel createHistogram(Vector<Double> _histogramData, double _lowerLimit, double _upperLimit) {

    // Remove values outside the given limits...
    Vector<Double> vectorHistogramDataWithinLimits = new Vector<Double>();
    for (Iterator<Double> iterator = _histogramData.iterator(); iterator.hasNext();) {
        double d = ((Double) iterator.next()).doubleValue();
        if (valueWithinLimits(d, _lowerLimit, _upperLimit)) {
            vectorHistogramDataWithinLimits.add(d);
        }
    }

    // Store number of elements shown in histogram...
    this.numberOfVisibleClassifiers = vectorHistogramDataWithinLimits.size();

    // Convert vector to array...
    double[] arrayHistogramDataWithinLimits = new double[vectorHistogramDataWithinLimits.size()];
    for (int i = 0; i < vectorHistogramDataWithinLimits.size(); i++) {
        double d = vectorHistogramDataWithinLimits.get(i).doubleValue();
        arrayHistogramDataWithinLimits[i] = d;
    }

    if (arrayHistogramDataWithinLimits.length > 0) { // Create
        // histogram...
        HistogramDataset data = new HistogramDataset();
        data.addSeries("Suchwert", // key
                arrayHistogramDataWithinLimits, // data
                Math.max(100, arrayHistogramDataWithinLimits.length) // #bins
        );

        JFreeChart chart = ChartFactory.createHistogram(description, // title
                description, // x axis label
                "frequency", // y axis label
                data, // data
                PlotOrientation.VERTICAL, // orientation
                false, // legend
                true, // tooltips
                false // URL
        );

        return new ChartPanel(chart);
    } else {
        return createErrorPanel("No data available (within the given limits).");
    }
}

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From source file:net.bioclipse.chart.ChartUtils.java

/**
 * Displays histogram of the values in ChartView
 * /* w  w w  .  j ava 2 s  .com*/
 * @param values Data values
 * @param bins Number of bins to use
 * @param xLabel X axis label
 * @param yLabel Y axis label
 * @param title Histogram title
 */
public static void histogram(double[] values, int bins, String xLabel, String yLabel, String title,
        IEditorPart dataSource) {
    setupData(values, null, xLabel, yLabel, title);
    HistogramDataset histogramData = new HistogramDataset();
    histogramData.addSeries(1, values, bins);
    chart = ChartFactory.createHistogram(title, xLabel, yLabel, histogramData, PlotOrientation.VERTICAL, false,
            false, false);

    ChartDescriptor descriptor = new ChartDescriptor(dataSource, null, ChartConstants.HISTOGRAM, xLabel,
            yLabel);

    chartManager.put(chart, descriptor);

    view.display(chart);
    ChartUtils.currentPlotType = ChartConstants.HISTOGRAM;
}

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From source file:fr.ens.transcriptome.corsen.gui.qt.ResultGraphs.java

public QImage createDistanceDistributionImage(final double[] data, final int classes, final String unit) {

    if (data == null || data.length < 2)
        return null;

    HistogramDataset histogramdataset = new HistogramDataset();

    histogramdataset.addSeries("Min distances", data, classes, getMin(data), getMax(data));

    // createHistoDataSet(results.getMaxDistances(), "Max distances",
    // histogramdataset);

    JFreeChart chart = ChartFactory.createHistogram("Distribution of minimal distances",
            // title
            "Distance" + unitLegend(unit), // domain axis label
            "Cell number", // range axis label
            histogramdataset, // data

            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips?
            false // URLs?
    );//from w ww .  j  a  va  2 s  . c  om

    addTransparency(chart);

    final BufferedImage image = chart.createBufferedImage(this.width, this.height, BufferedImage.TYPE_INT_ARGB,
            null);

    return new QImage(toByte(image.getData().getDataBuffer()), this.width, this.height,
            QImage.Format.Format_ARGB32);
}

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