Example usage for org.jfree.chart.plot XYPlot setDataset

List of usage examples for org.jfree.chart.plot XYPlot setDataset

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Introduction

In this page you can find the example usage for org.jfree.chart.plot XYPlot setDataset.

Prototype

public void setDataset(int index, XYDataset dataset)

Source Link

Document

Sets a dataset for the plot and sends a change event to all registered listeners.

Usage

From source file:com.charts.OneYearChart.java

public OneYearChart(YStockQuote currentStock) throws ParseException {

    DateAxis domainAxis = new DateAxis("Date");
    NumberAxis rangeAxis = new NumberAxis("Price");
    CandlestickRenderer renderer = new CandlestickRenderer();
    XYDataset dataset = getDataSet(currentStock);

    XYPlot mainPlot = new XYPlot(dataset, domainAxis, rangeAxis, renderer);

    //Do some setting up, see the API Doc
    renderer.setSeriesPaint(0, Color.BLACK);

    renderer.setDrawVolume(false);/*w  w w . j  a  v  a 2  s . com*/
    rangeAxis.setAutoRangeIncludesZero(false);

    domainAxis.setDateFormatOverride(new SimpleDateFormat("dd-MM-yy"));
    domainAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);

    //Now create the chart and chart panel
    JFreeChart chart = new JFreeChart(currentStock.get_name(), null, mainPlot, false);
    chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new Dimension(900, 400));

    XYPlot plot = (XYPlot) chart.getPlot();
    LegendTitle legend = new LegendTitle(plot);
    chart.addLegend(legend);
    chart.getLegend().setVisible(true);
    chart.getLegend().setPosition(RectangleEdge.BOTTOM);

    ValueAxis yAxis = (ValueAxis) plot.getRangeAxis();
    DateAxis xAxis = (DateAxis) plot.getDomainAxis();

    xAxis.setDateFormatOverride(new SimpleDateFormat("MMM y"));
    xAxis.setAutoTickUnitSelection(true);
    xAxis.setAutoRange(true);
    renderer.setAutoWidthFactor(0.5);
    renderer.setUpPaint(Color.green);
    renderer.setDownPaint(new Color(0xc0, 0x00, 0x00));
    renderer.setSeriesPaint(0, Color.black);
    StandardXYItemRenderer renderer1 = new StandardXYItemRenderer();
    renderer1.setSeriesPaint(0, Color.BLUE);
    TimeSeries movingAverage30 = MovingAverage.createMovingAverage(close, "MA(30)", 30, 0);
    Double currMA30 = (Double) movingAverage30.getDataItem(movingAverage30.getItemCount() - 1).getValue();
    currMA30 = Math.round(currMA30 * 100.0) / 100.0;
    movingAverage30.setKey("MA(30): " + currMA30);
    TimeSeriesCollection collection = new TimeSeriesCollection();
    collection.addSeries(movingAverage30);
    plot.setDataset(1, collection);
    plot.setRenderer(1, renderer1);

    chartPanel.revalidate();
    chartPanel.repaint();
    chartPanel.revalidate();
    chartPanel.repaint();
}

From source file:com.charts.YTDChart.java

public YTDChart(YStockQuote currentStock) throws ParseException {

    DateAxis domainAxis = new DateAxis("Date");
    NumberAxis rangeAxis = new NumberAxis("Price");
    CandlestickRenderer renderer = new CandlestickRenderer();
    XYDataset dataset = getDataSet(currentStock);

    XYPlot mainPlot = new XYPlot(dataset, domainAxis, rangeAxis, renderer);

    //Do some setting up, see the API Doc
    renderer.setSeriesPaint(0, Color.BLACK);

    renderer.setDrawVolume(false);/*  w ww . j av a2s .  c  o m*/
    rangeAxis.setAutoRangeIncludesZero(false);

    domainAxis.setDateFormatOverride(new SimpleDateFormat("dd-MM-yy"));
    domainAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);

    //Now create the chart and chart panel
    JFreeChart chart = new JFreeChart(currentStock.get_name(), null, mainPlot, false);
    chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new Dimension(900, 400));

    XYPlot plot = (XYPlot) chart.getPlot();
    LegendTitle legend = new LegendTitle(plot);
    chart.addLegend(legend);
    chart.getLegend().setVisible(true);
    chart.getLegend().setPosition(RectangleEdge.BOTTOM);

    ValueAxis yAxis = (ValueAxis) plot.getRangeAxis();
    DateAxis xAxis = (DateAxis) plot.getDomainAxis();

    xAxis.setDateFormatOverride(new SimpleDateFormat("MMM y"));
    xAxis.setAutoTickUnitSelection(true);
    xAxis.setAutoRange(true);
    renderer.setAutoWidthFactor(0.5);
    renderer.setUpPaint(Color.green);
    renderer.setDownPaint(new Color(0xc0, 0x00, 0x00));
    renderer.setSeriesPaint(0, Color.black);
    StandardXYItemRenderer renderer1 = new StandardXYItemRenderer();
    renderer1.setSeriesPaint(0, Color.BLUE);
    TimeSeries movingAverage30 = MovingAverage.createMovingAverage(close, "MA(30)", 30, 0);
    Double currMA30 = (Double) movingAverage30.getDataItem(movingAverage30.getItemCount() - 1).getValue();
    currMA30 = Math.round(currMA30 * 100.0) / 100.0;
    movingAverage30.setKey("MA(30): " + currMA30);
    TimeSeriesCollection collection = new TimeSeriesCollection();
    collection.addSeries(movingAverage30);
    plot.setDataset(1, collection);
    plot.setRenderer(1, renderer1);

    chartPanel.revalidate();
    chartPanel.repaint();
    chartPanel.revalidate();
    chartPanel.repaint();
}

From source file:com.charts.TenYearChart.java

public TenYearChart(YStockQuote currentStock) throws ParseException {
    DateAxis domainAxis = new DateAxis("Date");
    NumberAxis rangeAxis = new NumberAxis("Price");
    CandlestickRenderer renderer = new CandlestickRenderer();
    XYDataset dataset = getDataSet(currentStock);

    XYPlot mainPlot = new XYPlot(dataset, domainAxis, rangeAxis, renderer);

    //Do some setting up, see the API Doc
    renderer.setBaseToolTipGenerator(/* ww w.j a  v a  2 s  . c  o  m*/
            new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                    new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));

    renderer.setDrawVolume(false);
    rangeAxis.setAutoRangeIncludesZero(false);

    domainAxis.setDateFormatOverride(new SimpleDateFormat("dd-MM-yy"));
    domainAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);

    //Now create the chart and chart panel
    JFreeChart chart = new JFreeChart(currentStock.get_name(), null, mainPlot, false);

    chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new Dimension(900, 400));

    XYPlot plot = (XYPlot) chart.getPlot();
    LegendTitle legend = new LegendTitle(plot);
    chart.addLegend(legend);
    chart.getLegend().setVisible(true);
    chart.getLegend().setPosition(RectangleEdge.BOTTOM);

    ValueAxis yAxis = (ValueAxis) plot.getRangeAxis();
    DateAxis xAxis = (DateAxis) plot.getDomainAxis();

    xAxis.setDateFormatOverride(new SimpleDateFormat("MMM y"));
    xAxis.setAutoTickUnitSelection(true);
    xAxis.setAutoRange(true);
    renderer.setAutoWidthFactor(0.5);
    renderer.setUpPaint(Color.green);
    renderer.setDownPaint(new Color(0xc0, 0x00, 0x00));
    renderer.setSeriesPaint(0, Color.BLACK);
    StandardXYItemRenderer renderer1 = new StandardXYItemRenderer();
    renderer1.setSeriesPaint(0, Color.BLUE);
    TimeSeries movingAverage30 = MovingAverage.createMovingAverage(close, "MA(30)", 30, 0);
    Double currMA30 = (Double) movingAverage30.getDataItem(movingAverage30.getItemCount() - 1).getValue();
    currMA30 = Math.round(currMA30 * 100.0) / 100.0;
    movingAverage30.setKey("MA(30): " + currMA30);
    TimeSeriesCollection collection = new TimeSeriesCollection();
    collection.addSeries(movingAverage30);
    plot.setDataset(1, collection);
    plot.setRenderer(1, renderer1);

    chartPanel.revalidate();
    chartPanel.repaint();
    chartPanel.revalidate();
    chartPanel.repaint();
}

From source file:org.n52.server.io.render.DiagramRenderer.java

protected JFreeChart renderPreChart(Map<String, OXFFeatureCollection> entireCollMap,
        String[] observedProperties, ArrayList<TimeSeriesCollection> timeSeries, Calendar begin, Calendar end) {

    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, // title
            "Date", // x-axis label
            observedProperties[0], // y-axis label
            timeSeries.get(0), // data
            true, // create legend?
            true, // generate tooltips?
            false // generate URLs?
    );//  w  ww .j av  a  2s.c o  m

    chart.setBackgroundPaint(Color.white);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.lightGray);
    plot.setAxisOffset(new RectangleInsets(2.0, 2.0, 2.0, 2.0));
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);
    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
    renderer.setBaseShapesVisible(true);
    renderer.setBaseShapesFilled(true);

    // add additional datasets:
    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setRange(begin.getTime(), end.getTime());
    axis.setDateFormatOverride(new SimpleDateFormat());
    axis.setTimeZone(end.getTimeZone());
    for (int i = 1; i < observedProperties.length; i++) {
        XYDataset additionalDataset = timeSeries.get(i);
        plot.setDataset(i, additionalDataset);
        plot.setRangeAxis(i, new NumberAxis(observedProperties[i]));
        // plot.getRangeAxis(i).setRange((Double)
        // overAllSeriesCollection.getMinimum(i),
        // (Double) overAllSeriesCollection.getMaximum(i));
        plot.mapDatasetToRangeAxis(i, i);
        // plot.getDataset().getXValue(i, i);
    }
    return chart;
}

From source file:org.jstockchart.plot.TimeseriesPlot.java

private XYPlot createPricePlot() {
    Font axisFont = new Font("Arial", 0, 12);
    Stroke stroke = new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.CAP_SQUARE, 0.0f,
            new float[] { 1.0f, 1.0f }, 1.0f);
    PriceArea priceArea = timeseriesArea.getPriceArea();
    Color averageColor = new Color(243, 182, 117);
    priceArea.setAverageColor(averageColor);
    priceArea.setPriceColor(Color.BLUE);
    TimeSeriesCollection priceDataset = new TimeSeriesCollection();
    priceDataset.addSeries(dataset.getPriceTimeSeries().getTimeSeries());
    if (priceArea.isAverageVisible()) {
        priceDataset.addSeries(dataset.getAverageTimeSeries().getTimeSeries());
    }//from w w w . ja v a2 s  .  c om

    CentralValueAxis logicPriceAxis = priceArea.getLogicPriceAxis();

    logicPriceAxis.setTickCount(7);

    CFXNumberAxis priceAxis = new CFXNumberAxis(logicPriceAxis.getLogicTicks());
    priceAxis.setShowUD(true);
    priceAxis.setOpenPrice(logicPriceAxis.getCentralValue().doubleValue());
    priceAxis.setTickMarksVisible(false);
    XYLineAndShapeRenderer priceRenderer = new XYLineAndShapeRenderer(true, false);
    priceAxis.setUpperBound(logicPriceAxis.getUpperBound());
    priceAxis.setLowerBound(logicPriceAxis.getLowerBound());
    priceAxis.setAxisLineVisible(false);
    priceAxis.setTickLabelFont(axisFont);
    priceRenderer.setSeriesPaint(0, priceArea.getPriceColor());
    priceRenderer.setSeriesPaint(1, priceArea.getAverageColor());

    CFXNumberAxis rateAxis = new CFXNumberAxis(logicPriceAxis.getRatelogicTicks());
    rateAxis.setShowUD(true);
    rateAxis.setOpenPrice(logicPriceAxis.getCentralValue().doubleValue());
    rateAxis.setTickMarksVisible(false);
    ;
    rateAxis.setTickLabelFont(axisFont);
    rateAxis.setAxisLineVisible(false);
    rateAxis.setUpperBound(logicPriceAxis.getUpperBound());
    rateAxis.setLowerBound(logicPriceAxis.getLowerBound());
    XYPlot plot = new XYPlot(priceDataset, null, priceAxis, priceRenderer);
    plot.setBackgroundPaint(priceArea.getBackgroudColor());
    plot.setOrientation(priceArea.getOrientation());
    plot.setRangeAxisLocation(priceArea.getPriceAxisLocation());
    plot.setRangeMinorGridlinesVisible(false);

    Stroke outLineStroke = new BasicStroke(1f, BasicStroke.CAP_BUTT, BasicStroke.CAP_SQUARE, 0.0f,
            new float[] { 1.0f, 1.0f }, 1.0f);
    Stroke gridLineStroke = new BasicStroke(0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0.0f,
            new float[] { 2.0f, 2.0f }, 1.0f);

    plot.setRangeGridlineStroke(gridLineStroke);
    plot.setDomainGridlineStroke(gridLineStroke);
    plot.setRangeGridlinesVisible(true);
    plot.setDomainGridlinesVisible(true);
    plot.setOutlineVisible(true);
    plot.setOutlineStroke(outLineStroke);
    plot.setOutlinePaint(Color.BLACK);

    if (priceArea.isRateVisible()) {
        plot.setRangeAxis(1, rateAxis);
        plot.setRangeAxisLocation(1, priceArea.getRateAxisLocation());
        plot.setDataset(1, null);
        plot.mapDatasetToRangeAxis(1, 1);
    }

    if (priceArea.isMarkCentralValue()) {
        Number centralPrice = logicPriceAxis.getCentralValue();
        if (centralPrice != null) {
            plot.addRangeMarker(new ValueMarker(centralPrice.doubleValue(), priceArea.getCentralPriceColor(),
                    new BasicStroke()));
        }
    }
    return plot;
}

From source file:it.eng.spagobi.engines.chart.bo.charttypes.targetcharts.SparkLine.java

private void addPointSeries(TimeSeries series, XYPlot plot) {
    logger.debug("IN");
    TimeSeries pointSerie = new TimeSeries("Point", Month.class);
    for (int i = 0; i < series.getItemCount(); i++) {
        pointSerie.add(series.getTimePeriod(i), series.getValue(i));
    }//from   w  ww.ja v a  2 s .  co m
    final TimeSeriesCollection avgDs = new TimeSeriesCollection(pointSerie);

    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false) {
        public boolean getItemShapeVisible(int _series, int item) {
            return (true);
        }
    };
    renderer.setSeriesPaint(2, Color.LIGHT_GRAY);
    renderer.setBaseShapesVisible(true);
    renderer.setBaseShapesFilled(true);
    renderer.setDrawOutlines(true);
    renderer.setUseFillPaint(true);
    renderer.setBaseFillPaint(Color.BLACK);
    renderer.setBaseOutlinePaint(Color.BLACK);
    renderer.setUseOutlinePaint(true);
    renderer.setSeriesShape(0, new Ellipse2D.Double(-2.0, -2.0, 4.0, 4.0));

    plot.setDataset(2, avgDs);
    plot.setRenderer(2, renderer);
    logger.debug("OUT");

}

From source file:org.paxle.tools.charts.impl.gui.ChartServlet.java

private JFreeChart createIndexChart() {
    // init Time-Series
    TimeSeries indexSizeSeries = new TimeSeries("Index Size", Minute.class);
    indexSizeSeries.setMaximumItemAge(24 * 60);
    this.seriesMap.put(TSERIES_INDEX_SIZE, indexSizeSeries);

    // init chart
    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, "Time", "#Docs",
            new TimeSeriesCollection(indexSizeSeries), true, false, false);

    XYPlot plot = chart.getXYPlot();

    final TimeSeriesCollection linksDataset = new TimeSeriesCollection();

    TimeSeries totalLinksSeries = new TimeSeries("Total URI", Minute.class);
    totalLinksSeries.setMaximumItemAge(24 * 60);
    linksDataset.addSeries(totalLinksSeries);
    this.seriesMap.put(TSERIES_CMD_SIZE_TOTAL, totalLinksSeries);

    TimeSeries enqueuedLinksSeries = new TimeSeries("Enqueued URI", Minute.class);
    enqueuedLinksSeries.setMaximumItemAge(24 * 60);
    linksDataset.addSeries(enqueuedLinksSeries);
    this.seriesMap.put(TSERIES_CMD_SIZE_ENQUEUD, enqueuedLinksSeries);

    NumberAxis axis2 = new NumberAxis("#Links");
    axis2.setAutoRangeIncludesZero(false);
    axis2.setNumberFormatOverride(new DecimalFormat("#,##0"));
    plot.setRangeAxis(1, axis2);//  ww w .  j  ava  2 s . co m
    plot.setDataset(1, linksDataset);
    plot.setRenderer(1, new StandardXYItemRenderer());
    plot.mapDatasetToRangeAxis(1, 1);

    NumberAxis axis1 = (NumberAxis) plot.getRangeAxis(0);
    axis1.setNumberFormatOverride(new DecimalFormat("#,##0"));

    // change axis date format
    ((DateAxis) plot.getDomainAxis()).setDateFormatOverride(new SimpleDateFormat("HH:mm"));
    chart.setBackgroundPaint(Color.WHITE);
    return chart;
}

From source file:org.yccheok.jstock.gui.charting.InvestmentFlowChartJDialog.java

private synchronized JFreeChart createChart() {
    initSummaries(this.portfolioManagementJPanel);

    final XYDataset priceData = this.createInvestDataset();

    JFreeChart chart = ChartFactory.createTimeSeriesChart(" ",
            GUIBundle.getString("InvestmentFlowChartJDialog_Date"),
            GUIBundle.getString("InvestmentFlowChartJDialog_Value"), priceData, true, // create legend?
            true, // generate tooltips?
            false // generate URLs?
    );//from ww w . j  a  v  a  2 s.  c o m

    XYPlot plot = chart.getXYPlot();

    NumberAxis rangeAxis1 = (NumberAxis) plot.getRangeAxis();
    final JStockOptions jStockOptions = JStock.instance().getJStockOptions();
    final String currencySymbol = jStockOptions.getCurrencySymbol(jStockOptions.getCountry());
    // Use apostrophes to escape currencySymbol. If currencySymbol contains
    // apostrophes, we may need to escape those by doubling them.
    //
    // 0 decimal place, to save up some display area.
    final NumberFormat currencyFormat = new DecimalFormat("'" + currencySymbol.replace("'", "''") + "'#,##0");
    rangeAxis1.setNumberFormatOverride(currencyFormat);

    plot.setRenderer(1, new StandardXYItemRenderer());
    this.ROITimeSeries = new TimeSeries(GUIBundle.getString("InvestmentFlowChartJDialog_ReturnOfInvestment"));
    plot.setDataset(1, new TimeSeriesCollection(this.ROITimeSeries));
    this.updateROITimeSeries();

    return chart;
}

From source file:ucar.unidata.idv.flythrough.ChartDecorator.java

/**
 * _more_//  w  w w  . ja v a2  s. c  o m
 *
 * @param g2 _more_
 * @param comp _more_
 *
 * @return _more_
 */
public boolean paintDashboard(Graphics2D g2, JComponent comp) {
    try {
        List<SampleInfo> infos = new ArrayList<SampleInfo>(sampleInfos);
        if (infos.size() == 0) {
            return false;
        }
        Rectangle b = comp.getBounds();
        JFrame dummyFrame = new JFrame("");
        XYSeriesCollection dataset = new XYSeriesCollection();
        JFreeChart chart = Flythrough.createChart(dataset);
        XYPlot xyPlot = (XYPlot) chart.getPlot();

        int chartHeight = b.height - flythrough.getDashboardImage().getHeight(null);
        chartHeight = Math.max(chartHeight, 50);
        int chartWidth = Math.min(chartHeight * 4, b.width);

        int dx = b.width / 2 - chartWidth / 2;
        int dy = 0;

        Image lastImage = lastChartImage;
        if ((lastImage != null) && (lastImage.getWidth(null) == chartWidth)
                && (lastImage.getHeight(null) == chartHeight)) {
            g2.translate(dx, dy);
            g2.drawImage(lastImage, 0, 0, null);
            g2.translate(-dx, -dy);
            return false;
        }

        for (int i = 0; i < infos.size(); i++) {
            SampleInfo info = infos.get(i);
            ValueAxis rangeAxis = new NumberAxis(info.getName());
            if (info.getRange() != null) {
                rangeAxis
                        .setRange(new org.jfree.data.Range(info.getRange().getMin(), info.getRange().getMax()));
            }
            dataset = new XYSeriesCollection();
            dataset.addSeries(info.getSeries());
            xyPlot.setRangeAxis(i, rangeAxis, false);
            xyPlot.setDataset(i, dataset);
            xyPlot.mapDatasetToRangeAxis(i, i);
            final Color color = COLORS[i % COLORS.length];
            XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false) {
                public Paint xgetItemPaint(final int row, final int column) {
                    return color;
                }
            };
            renderer.setSeriesPaint(0, color);
            xyPlot.setRenderer(i, renderer);
        }

        ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new Dimension(chartWidth, chartHeight));
        dummyFrame.setContentPane(chartPanel);
        dummyFrame.pack();
        Image image = ImageUtils.getImage(chartPanel);
        lastChartImage = image;
        g2.translate(dx, dy);
        g2.drawImage(image, 0, 0, null);
        g2.translate(-dx, -dy);
    } catch (Exception exc) {
        logException("Painting chart", exc);

    }

    return false;

}

From source file:edu.fullerton.viewerplugin.XYPlotter.java

private ChartPanel getPanel(double[][] data) throws WebUtilException {
    ChartPanel ret = null;/* w w w  .  jav  a  2  s .com*/
    try {
        XYSeries xys;
        XYSeriesCollection mtds = new XYSeriesCollection();
        String mylegend = legend == null || legend.isEmpty() ? "series 1" : legend;

        xys = new XYSeries(legend);

        int len = data.length;
        double minx = Double.MAX_VALUE;
        double maxx = Double.MIN_VALUE;
        double miny = Double.MAX_VALUE;
        double maxy = Double.MIN_VALUE;
        boolean gotZeroX = false;
        boolean gotZeroY = false;

        for (int i = 0; i < len; i++) {
            double x = data[i][0];
            double y = data[i][1];
            if (x == 0) {
                gotZeroX = true;
            } else {
                minx = Math.min(minx, x);
                maxx = Math.max(maxx, x);
            }
            if (y == 0) {
                gotZeroY = true;
            } else {
                miny = Math.min(miny, y);
                maxy = Math.max(maxy, y);
            }
        }
        // this kludge lets us plot a 0 on a log axis
        double fakeZeroX = 0.;
        double fakeZeroY = 0.;
        if (gotZeroX) {
            if (logXaxis) {
                fakeZeroX = minx / 10;
            } else {
                minx = Math.min(0, minx);
                maxx = Math.max(0, maxx);
            }
        }
        if (gotZeroY) {
            if (logYaxis) {
                fakeZeroY = miny / 10;
            } else {
                miny = Math.min(0, miny);
                maxy = Math.max(0, maxy);
            }
        }
        for (int i = 0; i < len; i++) {
            double x = data[i][0];
            double y = data[i][1];
            x = x == 0 ? fakeZeroX : x;
            y = y == 0 ? fakeZeroY : y;
            xys.add(x, y);
        }
        mtds.addSeries(xys);

        DefaultXYDataset ds = new DefaultXYDataset();

        int exp;
        if (maxy == 0. && miny == 0.) {
            miny = -1.;
            exp = 0;
            logYaxis = false;
        } else {

            maxy = maxy > miny ? maxy : miny * 10;
            exp = PluginSupport.scaleRange(mtds, miny, maxy);
            if (!logYaxis && exp > 0) {
                yLabel += " x 1e-" + Integer.toString(exp);
            }
        }
        JFreeChart chart = ChartFactory.createXYLineChart(title, xLabel, yLabel, ds, PlotOrientation.VERTICAL,
                true, false, false);
        org.jfree.chart.plot.XYPlot plot = (org.jfree.chart.plot.XYPlot) chart.getPlot();
        if (logYaxis) {
            LogAxis rangeAxis = new LogAxis(yLabel);
            double smallest = miny * Math.pow(10, exp);
            rangeAxis.setSmallestValue(smallest);
            rangeAxis.setMinorTickCount(9);

            LogAxisNumberFormat lanf = new LogAxisNumberFormat();
            lanf.setExp(exp);
            rangeAxis.setNumberFormatOverride(lanf);
            rangeAxis.setRange(smallest, maxy * Math.pow(10, exp));
            plot.setRangeAxis(rangeAxis);
        }
        if (logXaxis) {
            LogAxis domainAxis = new LogAxis(xLabel);
            domainAxis.setMinorTickCount(9);
            domainAxis.setSmallestValue(minx);
            domainAxis.setNumberFormatOverride(new LogAxisNumberFormat());
            plot.setDomainAxis(domainAxis);
        }
        ValueAxis domainAxis = plot.getDomainAxis();
        if (fmin != null && fmin > 0) {
            domainAxis.setLowerBound(fmin);
        }
        if (fmax != null && fmax > 0) {
            domainAxis.setUpperBound(fmax);
        }
        plot.setDomainAxis(domainAxis);
        plot.setDataset(0, mtds);

        // Set the line thickness
        XYLineAndShapeRenderer r = (XYLineAndShapeRenderer) plot.getRenderer();
        BasicStroke str = new BasicStroke(lineThickness);
        int n = plot.getSeriesCount();
        for (int i = 0; i < n; i++) {
            r.setSeriesStroke(i, str);
        }

        if (legend == null || legend.isEmpty()) {
            chart.removeLegend();
        }
        ret = new ChartPanel(chart);
    } catch (Exception ex) {
        throw new WebUtilException("Creating spectrum plot" + ex.getLocalizedMessage());
    }
    return ret;

}