Example usage for org.jfree.chart.renderer.xy XYLineAndShapeRenderer setSeriesShape

List of usage examples for org.jfree.chart.renderer.xy XYLineAndShapeRenderer setSeriesShape

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Introduction

In this page you can find the example usage for org.jfree.chart.renderer.xy XYLineAndShapeRenderer setSeriesShape.

Prototype

public void setSeriesShape(int series, Shape shape)

Source Link

Document

Sets the shape used for a series and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:guineu.modules.filter.Alignment.RANSACGCGC.AlignmentGCGCRansacPlot.java

public AlignmentGCGCRansacPlot() {
    super(null, true);

    dataset = new XYSeriesCollection();
    chart = ChartFactory.createXYLineChart("", null, null, dataset, PlotOrientation.VERTICAL, true, true,
            false);/*w ww. j a va2  s.  com*/

    chart.setBackgroundPaint(Color.white);
    setChart(chart);

    // title
    chartTitle = chart.getTitle();
    chartTitle.setMargin(5, 0, 0, 0);
    chartTitle.setFont(titleFont);

    // legend constructed by ChartFactory
    legend = chart.getLegend();
    legend.setItemFont(legendFont);
    //     legend.setFrame(BlockBorder.NONE);

    // set the plot properties
    plot = chart.getXYPlot();
    plot.setBackgroundPaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

    // set grid properties
    plot.setDomainGridlinePaint(gridColor);
    plot.setRangeGridlinePaint(gridColor);

    // set crosshair (selection) properties

    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);
    plot.setDomainCrosshairPaint(crossHairColor);
    plot.setRangeCrosshairPaint(crossHairColor);
    plot.setDomainCrosshairStroke(crossHairStroke);
    plot.setRangeCrosshairStroke(crossHairStroke);

    // set default renderer properties
    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
    renderer.setBaseLinesVisible(false);
    renderer.setBaseShapesVisible(true);
    renderer.setSeriesShape(0, dataPointsShape);
    renderer.setSeriesShape(1, dataPointsShape);
    renderer.setSeriesLinesVisible(2, true);
    renderer.setSeriesShapesVisible(2, false);
    renderer.setSeriesPaint(0, Color.RED);
    renderer.setSeriesPaint(1, Color.GRAY);
    renderer.setSeriesPaint(2, Color.BLUE);
    renderer.setBaseItemLabelPaint(labelsColor);

    plot.setRenderer(renderer);

}

From source file:be.ugent.maf.cellmissy.gui.controller.analysis.singlecell.explore.EnclosingBallController.java

private JFreeChart makeFDChart(TrackDataHolder trackDataHolder, FractalDimension fractalDimension) {
    XYSeries series = JFreeChartUtils.generateXYSeries(fractalDimension.getxValues(),
            fractalDimension.getyValues());
    String seriesKey = "track " + trackDataHolder.getTrack().getTrackNumber() + ", well "
            + trackDataHolder.getTrack().getWellHasImagingType().getWell();
    series.setKey(seriesKey);//from   ww w  .j av a2  s  .c  o  m
    XYSeriesCollection collection = new XYSeriesCollection(series);

    double regression[] = Regression.getOLSRegression(collection, 0);
    // first the intercept, then the slope
    LineFunction2D linefunction2d = new LineFunction2D(regression[0], regression[1]);

    fractalDimension.setFD(regression[1]);
    JFreeChart chart = ChartFactory.createScatterPlot(
            seriesKey + " - FD = " + AnalysisUtils.roundThreeDecimals(fractalDimension.getFD()), "log(1/r)",
            "log(N)", collection, PlotOrientation.VERTICAL, false, true, false);
    // start, end, number of samples
    XYDataset dataset = DatasetUtilities.sampleFunction2D(linefunction2d, series.getMinX(), series.getMaxX(),
            1000, "Fitted Regression Line");
    chart.getXYPlot().setDataset(1, dataset);

    JFreeChartUtils.setupXYPlot(chart.getXYPlot());
    JFreeChartUtils.setupSingleTrackPlot(chart,
            exploreTrackController.getExploreTrackPanel().getTracksList().getSelectedIndex(), true);
    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) chart.getXYPlot().getRenderer();
    renderer.setSeriesLinesVisible(0, false);
    renderer.setSeriesShape(0, new Ellipse2D.Double(0, 0, 8, 8));

    XYItemRenderer renderer2 = new XYLineAndShapeRenderer(true, false);
    renderer2.setSeriesPaint(0, GuiUtils.getDefaultColor());
    chart.getXYPlot().setRenderer(1, renderer2);

    return chart;
}

From source file:statUtil.TurnMovementPlot.java

public TurnMovementPlot(String title) throws IOException {
    super(title);
    Data data = CSVData.getCSVData(TURN_CSV_LOG);
    JFreeChart chart = ChartFactory.createXYLineChart(title, "X", "Y",
            XYDatasetGenerator.generateXYDataset(data.csvData));
    final XYPlot xyPlot = chart.getXYPlot();
    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
    renderer.setSeriesStroke(0, new BasicStroke(3f));
    renderer.setSeriesLinesVisible(0, true);
    renderer.setSeriesShapesVisible(0, false);
    renderer.setSeriesLinesVisible(1, false);
    renderer.setSeriesShapesVisible(1, true);
    Shape cross = ShapeUtilities.createDiagonalCross(2f, 0.5f);
    renderer.setSeriesShape(1, cross);
    xyPlot.setRenderer(renderer);//ww w.ja v a  2s  .  c  o m
    xyPlot.setQuadrantOrigin(new Point(0, 0));

    int i = 0;
    for (Double[] csvRow : data.csvData) {
        if (i % 20 == 1) {
            final XYTextAnnotation annotation = new XYTextAnnotation(Double.toString(csvRow[3]), csvRow[0],
                    csvRow[1]);
            annotation.setFont(new Font("SansSerif", Font.PLAIN, 10));
            xyPlot.addAnnotation(annotation);
        }
        i++;
    }

    int width = (int) Math.round(data.maxX - data.minX) + 50;
    int height = (int) Math.round(data.maxY - data.minY) + 50;
    ChartPanel chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new Dimension(width, height));
    setContentPane(chartPanel);
    File XYChart = new File(FILE_PATH + "\\TurnMovementPlot.png");
    ChartUtilities.saveChartAsPNG(XYChart, chart, width, height);
}

From source file:org.gwaspi.gui.qqPlot.java

/**
 * Runs the test./*w w  w. j av  a2 s.com*/
 */
public void run() {

    this.finished = false;

    List<XYSeries> seriesArray = new ArrayList<XYSeries>();

    Random generator = new Random();
    int seriesNb = -1;
    XYSeriesCollection dataSeries = new XYSeriesCollection();
    XYSeries seriesData = new XYSeries("X");
    XYSeries seriesUpper = new XYSeries("Upper bound");
    XYSeries seriesLower = new XYSeries("Lower bound");

    int N = 10000;
    List<Double> rndChiSqrDist1 = org.gwaspi.statistics.Chisquare.getChiSquareDistributionDf1(N, 1.0f);
    Collections.sort(rndChiSqrDist1);
    List<Double> rndChiSqrDist2 = org.gwaspi.statistics.Chisquare.getChiSquareDistributionDf1(N, 1.0f);
    Collections.sort(rndChiSqrDist2);
    for (int i = 0; i < rndChiSqrDist1.size(); i++) {
        double obsVal = rndChiSqrDist1.get(i) + (generator.nextDouble() * 0.00001);
        double expVal = rndChiSqrDist2.get(i);

        // constant chi-square boundaries
        //         double upperVal = expVal*1.05;
        //         double lowerVal = expVal*0.95;
        //         double upperVal = expVal+Math.pow(Math.E,(1.96*Math.sqrt(1/expVal)));
        //         double lowerVal = expVal-Math.pow(Math.E,(1.96*Math.sqrt(1/expVal)));
        double upperVal = expVal + 1.96 * Math.sqrt(0.05 * (1 - 0.05 / N));
        double lowerVal = expVal - 1.96 * Math.sqrt(0.05 * (1 - 0.05 / N));

        seriesData.add(obsVal, expVal);
        seriesLower.add(expVal, lowerVal);
        seriesUpper.add(expVal, upperVal);
    }

    dataSeries.addSeries(seriesData);
    dataSeries.addSeries(seriesLower);
    dataSeries.addSeries(seriesUpper);
    final XYDataset data = dataSeries;

    // create a scatter chart...
    final boolean withLegend = true;
    JFreeChart chart = ChartFactory.createScatterPlot("QQ-plot", "Obs X", "Exp X", data,
            PlotOrientation.VERTICAL, withLegend, false, false);

    final XYPlot plot = chart.getXYPlot();
    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(false, true);
    renderer.setSeriesPaint(0, Color.blue);
    renderer.setSeriesPaint(1, Color.gray);
    renderer.setSeriesPaint(2, Color.gray);

    renderer.setBaseShapesVisible(true);
    renderer.setBaseShapesFilled(true);
    renderer.setSeriesShape(0, new Rectangle2D.Double(-1.0, -1.0, 2.0, 2.0));
    renderer.setSeriesShape(1, new Rectangle2D.Double(-2.0, 0.0, 4.0, 0.0));
    renderer.setSeriesShape(2, new Rectangle2D.Double(-2.0, 0.0, 4.0, 0.0));

    plot.setRenderer(renderer);

    try {
        ChartUtilities.saveChartAsPNG(new File(System.getProperty("user.home") + "/Desktop/QQ_plot.png"), chart,
                400, 400);
    } catch (IOException ex) {
        log.error("Problem occurred creating chart", ex);
    }
}

From source file:grafix.graficos.indices.Indice.java

public void plotar(final XYPlot plot, final JanelaGraficos janela, final int contador) {
    XYLineAndShapeRenderer indicesRenderer = new XYLineAndShapeRenderer();
    indicesRenderer.setSeriesLinesVisible(0, isTracoContinuo());
    indicesRenderer.setSeriesShapesVisible(0, !isTracoContinuo());
    indicesRenderer.setSeriesShape(0, ShapeUtilities.createDiamond(1.5f));
    indicesRenderer.setStroke(new BasicStroke(getEspessura() * 0.5f));
    indicesRenderer.setToolTipGenerator(new IndiceToolTipGenerator(this));
    indicesRenderer.setPaint(getCor());/*  w ww. j  a  v a  2 s  . c om*/
    plot.setRenderer(contador, indicesRenderer);
    plot.setDataset(contador, getDataSet(janela));
}

From source file:com.marvelution.jira.plugins.hudson.charts.BuildTestResultsRatioChartGenerator.java

/**
 * {@inheritDoc}//from   w  ww  .  j a  v a 2s.  c  o  m
 */
@Override
public ChartHelper generateChart() {
    buildMap = new HashMap<Integer, Build>();
    final CategoryTableXYDataset dataset = new CategoryTableXYDataset();
    for (Build build : builds) {
        final TestResult results = build.getTestResult();
        double percentagePass = 0.0D, percentageFail = 0.0D, percentageSkipped = 0.0D;
        if (results != null && results.getTotal() > 0) {
            percentagePass = Double.valueOf(results.getPassed()) / Double.valueOf(results.getTotal()) * 100.0D;
            percentageFail = Double.valueOf(results.getFailed()) / Double.valueOf(results.getTotal()) * 100.0D;
            percentageSkipped = Double.valueOf(results.getSkipped()) / Double.valueOf(results.getTotal())
                    * 100.0D;
        }
        dataset.add(Double.valueOf(build.getBuildNumber()), percentagePass, seriesNames[0]);
        dataset.add(Double.valueOf(build.getBuildNumber()), percentageFail, seriesNames[1]);
        dataset.add(Double.valueOf(build.getBuildNumber()), percentageSkipped, seriesNames[2]);
        buildMap.put(Integer.valueOf(build.getBuildNumber()), build);
    }
    final JFreeChart chart = ChartFactory.createStackedXYAreaChart("", "",
            getI18n().getText("hudson.charts.tests"), dataset, PlotOrientation.VERTICAL, false, false, false);
    chart.setBackgroundPaint(Color.WHITE);
    chart.setBorderVisible(false);
    XYPlot xyPlot = chart.getXYPlot();
    xyPlot.setDataset(1, dataset);
    if (dataset.getItemCount() > 0) {
        XYLineAndShapeRenderer shapeRenderer = new XYLineAndShapeRenderer(false, true);
        shapeRenderer.setSeriesShapesVisible(1, false);
        shapeRenderer.setSeriesLinesVisible(1, false);
        shapeRenderer.setSeriesShapesVisible(2, false);
        shapeRenderer.setSeriesLinesVisible(2, false);
        shapeRenderer.setSeriesShape(0, new Ellipse2D.Double(-3.0D, -3.0D, 6.0D, 6.0D));
        shapeRenderer.setSeriesPaint(0, GREEN_PAINT);
        shapeRenderer.setSeriesShapesFilled(0, true);
        shapeRenderer.setBaseToolTipGenerator(this);
        shapeRenderer.setBaseItemLabelFont(ChartDefaults.defaultFont);
        shapeRenderer.setBaseItemLabelsVisible(false);
        xyPlot.setRenderer(0, shapeRenderer);
        StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
        renderer.setSeriesPaint(0, GREEN_PAINT);
        renderer.setSeriesPaint(1, RED_PAINT);
        renderer.setSeriesPaint(2, YELLOW_PAINT);
        renderer.setBaseItemLabelFont(ChartDefaults.defaultFont);
        renderer.setBaseItemLabelsVisible(false);
        xyPlot.setRenderer(1, renderer);
        renderer.setBaseToolTipGenerator(this);
    }
    ValueAxis rangeAxis = xyPlot.getRangeAxis();
    rangeAxis.setLowerBound(0.0D);
    rangeAxis.setUpperBound(100.0D);
    final NumberAxis domainAxis = new NumberAxis();
    domainAxis.setLowerBound(Collections.min(buildMap.keySet()));
    domainAxis.setUpperBound(Collections.max(buildMap.keySet()));
    final TickUnitSource ticks = NumberAxis.createIntegerTickUnits();
    domainAxis.setStandardTickUnits(ticks);
    xyPlot.setDomainAxis(domainAxis);
    ChartUtil.setupPlot(xyPlot);
    return new ChartHelper(chart);
}

From source file:org.matsim.contrib.dvrp.util.chart.RouteChartUtils.java

public static JFreeChart chartRoutesByStatus(List<? extends Vehicle> vehicles) {
    CoordDataset nData = new CoordDataset();

    for (int i = 0; i < vehicles.size(); i++) {
        Schedule<?> schedule = vehicles.get(i).getSchedule();
        Map<TaskStatus, CoordSource> vsByStatus = createLinkSourceByStatus(schedule);
        nData.addSeries(i + "-PR", vsByStatus.get(TaskStatus.PERFORMED));
        nData.addSeries(i + "-ST", vsByStatus.get(TaskStatus.STARTED));
        nData.addSeries(i + "-PL", vsByStatus.get(TaskStatus.PLANNED));
    }//from   ww w  .  j a v  a 2s  .  c  om

    JFreeChart chart = ChartFactory.createXYLineChart("Routes", "X", "Y", nData, PlotOrientation.VERTICAL,
            false, true, false);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRangeGridlinesVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setBackgroundPaint(Color.white);

    NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
    yAxis.setAutoRangeIncludesZero(false);

    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
    renderer.setSeriesShapesVisible(0, true);
    renderer.setSeriesLinesVisible(0, false);
    renderer.setSeriesItemLabelsVisible(0, true);

    renderer.setBaseItemLabelGenerator(new LabelGenerator());

    Paint[] paints = DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE;
    Shape[] shapes = DefaultDrawingSupplier.DEFAULT_SHAPE_SEQUENCE;

    for (int i = 0; i < vehicles.size(); i++) {
        int s = 3 * i;

        renderer.setSeriesItemLabelsVisible(s + 1, true);
        renderer.setSeriesItemLabelsVisible(s + 2, true);
        renderer.setSeriesItemLabelsVisible(s + 3, true);

        renderer.setSeriesShapesVisible(s + 1, true);
        renderer.setSeriesShapesVisible(s + 2, true);
        renderer.setSeriesShapesVisible(s + 3, true);

        renderer.setSeriesLinesVisible(s + 1, true);
        renderer.setSeriesLinesVisible(s + 2, true);
        renderer.setSeriesLinesVisible(s + 3, true);

        renderer.setSeriesPaint(s + 1, paints[(i + 1) % paints.length]);
        renderer.setSeriesPaint(s + 2, paints[(i + 1) % paints.length]);
        renderer.setSeriesPaint(s + 3, paints[(i + 1) % paints.length]);

        renderer.setSeriesShape(s + 1, shapes[(i + 1) % shapes.length]);
        renderer.setSeriesShape(s + 2, shapes[(i + 1) % shapes.length]);
        renderer.setSeriesShape(s + 3, shapes[(i + 1) % shapes.length]);

        renderer.setSeriesStroke(s + 2, new BasicStroke(3));
        renderer.setSeriesStroke(s + 3, new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1,
                new float[] { 5f, 5f }, 0));
    }

    return chart;
}

From source file:no.ntnu.mmfplanner.ui.graph.NpvChart.java

/**
 * Helper method for updateModel(). Adds the legend elements for self
 * funding and break even./*  w  ww . j a v a 2s .  c o m*/
 */
private void addLegendElements(XYSeriesCollection dataset, XYLineAndShapeRenderer renderer) {
    // self funding legend
    XYSeries selfFundingLegend = new XYSeries("Self Funding");
    int series = dataset.getSeriesCount();
    dataset.addSeries(selfFundingLegend);
    renderer.setSeriesPaint(series, Color.black);
    renderer.setSeriesShape(series, ShapeUtilities.createUpTriangle(3.5f));

    // break even legend
    XYSeries breakEvenLegend = new XYSeries("Break Even");
    series = dataset.getSeriesCount();
    dataset.addSeries(breakEvenLegend);
    renderer.setSeriesPaint(series, Color.black);
    renderer.setSeriesShape(series, ShapeUtilities.createDiamond(3.5f));
}

From source file:org.matsim.contrib.dvrp.util.chart.RouteCharts.java

public static JFreeChart chartRoutesByStatus(List<? extends Vehicle> vehicles) {
    CoordDataset nData = new CoordDataset();

    for (int i = 0; i < vehicles.size(); i++) {
        Schedule schedule = vehicles.get(i).getSchedule();
        Map<TaskStatus, CoordSource> vsByStatus = createLinkSourceByStatus(schedule);
        nData.addSeries(i + "-PR", vsByStatus.get(TaskStatus.PERFORMED));
        nData.addSeries(i + "-ST", vsByStatus.get(TaskStatus.STARTED));
        nData.addSeries(i + "-PL", vsByStatus.get(TaskStatus.PLANNED));
    }//from   w ww . ja  v  a 2  s. c o  m

    JFreeChart chart = ChartFactory.createXYLineChart("Routes", "X", "Y", nData, PlotOrientation.VERTICAL,
            false, true, false);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRangeGridlinesVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setBackgroundPaint(Color.white);

    NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
    yAxis.setAutoRangeIncludesZero(false);

    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
    renderer.setSeriesShapesVisible(0, true);
    renderer.setSeriesLinesVisible(0, false);
    renderer.setSeriesItemLabelsVisible(0, true);

    renderer.setBaseItemLabelGenerator(new LabelGenerator());

    Paint[] paints = DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE;
    Shape[] shapes = DefaultDrawingSupplier.DEFAULT_SHAPE_SEQUENCE;

    for (int i = 0; i < vehicles.size(); i++) {
        int s = 3 * i;

        renderer.setSeriesItemLabelsVisible(s + 1, true);
        renderer.setSeriesItemLabelsVisible(s + 2, true);
        renderer.setSeriesItemLabelsVisible(s + 3, true);

        renderer.setSeriesShapesVisible(s + 1, true);
        renderer.setSeriesShapesVisible(s + 2, true);
        renderer.setSeriesShapesVisible(s + 3, true);

        renderer.setSeriesLinesVisible(s + 1, true);
        renderer.setSeriesLinesVisible(s + 2, true);
        renderer.setSeriesLinesVisible(s + 3, true);

        renderer.setSeriesPaint(s + 1, paints[(i + 1) % paints.length]);
        renderer.setSeriesPaint(s + 2, paints[(i + 1) % paints.length]);
        renderer.setSeriesPaint(s + 3, paints[(i + 1) % paints.length]);

        renderer.setSeriesShape(s + 1, shapes[(i + 1) % shapes.length]);
        renderer.setSeriesShape(s + 2, shapes[(i + 1) % shapes.length]);
        renderer.setSeriesShape(s + 3, shapes[(i + 1) % shapes.length]);

        renderer.setSeriesStroke(s + 2, new BasicStroke(3));
        renderer.setSeriesStroke(s + 3, new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1,
                new float[] { 5f, 5f }, 0));
    }

    return chart;
}

From source file:projects.upc.exec.HrDiagram.java

/**
 * Update the {@link HrDiagram#chartPanel}.
 *///from  w  w w. j av a 2  s. c o m
private void updateChart() {

    XYSeries series = new XYSeries("UPC HR diagram");

    for (Entry<UpcStar, SsaCrossMatch> xm : starsToPlot.entrySet()) {

        UpcStar upcStar = xm.getKey();
        SsaCrossMatch ssa = xm.getValue();

        // Get the SSA colours of the UPC star
        double b = ssa.ssaB;
        double r2 = ssa.ssaR2;
        //         double i = ssa.ssaI;

        // Use the parallax to correct the apparent magnitude to absolute magnitude.

        // Extract the parallax and error to use
        double p = (useHip && upcStar.isHipparcosStar()) ? upcStar.srcPi : upcStar.absPi;
        double sigma_p = (useHip && upcStar.isHipparcosStar()) ? upcStar.srcPiErr : upcStar.absPiErr;

        // Filter on the fractional parallax error
        double f = sigma_p / p;
        if (f > fMax) {
            continue;
        }

        // Correct to arcseconds
        p /= 1000;
        sigma_p /= 1000;

        // Get the distance
        double d = DistanceFromParallax.getDistance(p, sigma_p, method);
        // Filter & convert to absolute magnitude
        if (d > 0 && !Double.isInfinite(d)) {
            double B = MagnitudeUtils.getAbsoluteMagnitude(d, b);
            series.add(b - r2, B);
        }
    }

    XYSeriesCollection data = new XYSeriesCollection();
    data.addSeries(series);

    // Set up the renderer
    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();

    renderer.setSeriesLinesVisible(0, false);
    renderer.setSeriesShapesVisible(0, true);
    renderer.setSeriesShape(0, new Ellipse2D.Double(-0.5, -0.5, 1, 1));

    // Configure axes
    NumberAxis xAxis = new NumberAxis("B - R [mag]");
    xAxis.setRange(-1.0, 3.5);

    NumberAxis yAxis = new NumberAxis("B [mag]");
    yAxis.setInverted(true);
    yAxis.setRange(-5, 15);

    // Configure plot
    XYPlot xyplot = new XYPlot(data, xAxis, yAxis, renderer);
    xyplot.setBackgroundPaint(Color.white);

    JFreeChart chart = new JFreeChart("HR diagram of UPC stars with SSA cross-matches", xyplot);
    chart.removeLegend();
    chart.setBackgroundPaint(Color.white);

    if (chartPanel == null) {
        // Branch is used on initialisation
        chartPanel = new ChartPanel(chart);
    } else {
        chartPanel.setChart(chart);
    }

}