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

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

Introduction

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

Prototype

public XYDataset getDataset(int index) 

Source Link

Document

Returns the dataset with the specified index, or null if there is no dataset with that index.

Usage

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

/**
 * <pre>/*  ww w .  j ava2 s  .  com*/
 * dataset :=  associated to one range-axis;
 * corresponds to one observedProperty;
 * may contain multiple series;
 * series :=   corresponds to a time series for one foi
 * </pre>
 * 
 * .
 * 
 * @param entireCollMap
 *            the entire coll map
 * @param options
 *            the options
 * @param begin
 *            the begin
 * @param end
 *            the end
 * @param compress
 * @return the j free chart
 */
public JFreeChart renderChart(Map<String, OXFFeatureCollection> entireCollMap, DesignOptions options,
        Calendar begin, Calendar end, boolean compress) {

    DesignDescriptionList designDescriptions = buildUpDesignDescriptionList(options);

    /*** FIRST RUN ***/
    JFreeChart chart = initializeTimeSeriesChart();
    chart.setBackgroundPaint(Color.white);

    if (!this.isOverview) {
        chart.addSubtitle(new TextTitle(ConfigurationContext.COPYRIGHT, new Font(LABEL_FONT, Font.PLAIN, 9),
                Color.black, RectangleEdge.BOTTOM, HorizontalAlignment.RIGHT, VerticalAlignment.BOTTOM,
                new RectangleInsets(0, 0, 20, 20)));
    }
    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);

    plot.setDomainGridlinesVisible(options.getGrid());
    plot.setRangeGridlinesVisible(options.getGrid());

    // add additional datasets:
    DateAxis dateAxis = (DateAxis) plot.getDomainAxis();
    dateAxis.setRange(begin.getTime(), end.getTime());
    dateAxis.setDateFormatOverride(new SimpleDateFormat());

    // add all axes
    String[] phenomenaIds = options.getAllPhenomenIds();
    // all the axis indices to map them later
    HashMap<String, Integer> axes = new HashMap<String, Integer>();
    for (int i = 0; i < phenomenaIds.length; i++) {
        axes.put(phenomenaIds[i], i);
        plot.setRangeAxis(i, new NumberAxis(phenomenaIds[i]));
    }

    // list range markers
    ArrayList<ValueMarker> referenceMarkers = new ArrayList<ValueMarker>();
    HashMap<String, double[]> referenceBounds = new HashMap<String, double[]>();

    // create all TS collections
    for (int i = 0; i < options.getProperties().size(); i++) {

        TimeseriesProperties prop = options.getProperties().get(i);

        String phenomenonId = prop.getPhenomenon();

        TimeSeriesCollection dataset = createDataset(entireCollMap, prop, phenomenonId, compress);
        dataset.setGroup(new DatasetGroup(prop.getTimeseriesId()));
        XYDataset additionalDataset = dataset;

        NumberAxis axe = (NumberAxis) plot.getRangeAxis(axes.get(phenomenonId));

        if (this.isOverview) {
            axe.setAutoRange(true);
            axe.setAutoRangeIncludesZero(false);
        } else if (prop.getAxisUpperBound() == prop.getAxisLowerBound() || prop.isAutoScale()) {
            if (prop.isZeroScaled()) {
                axe.setAutoRangeIncludesZero(true);
            } else {
                axe.setAutoRangeIncludesZero(false);
            }
        } else {
            if (prop.isZeroScaled()) {
                if (axe.getUpperBound() < prop.getAxisUpperBound()) {
                    axe.setUpperBound(prop.getAxisUpperBound());
                }
                if (axe.getLowerBound() > prop.getAxisLowerBound()) {
                    axe.setLowerBound(prop.getAxisLowerBound());
                }
            } else {
                axe.setRange(prop.getAxisLowerBound(), prop.getAxisUpperBound());
                axe.setAutoRangeIncludesZero(false);
            }
        }

        plot.setDataset(i, additionalDataset);
        plot.mapDatasetToRangeAxis(i, axes.get(phenomenonId));

        // set bounds new for reference values
        if (!referenceBounds.containsKey(phenomenonId)) {
            double[] bounds = new double[] { axe.getLowerBound(), axe.getUpperBound() };
            referenceBounds.put(phenomenonId, bounds);
        } else {
            double[] bounds = referenceBounds.get(phenomenonId);
            if (bounds[0] >= axe.getLowerBound()) {
                bounds[0] = axe.getLowerBound();
            }
            if (bounds[1] <= axe.getUpperBound()) {
                bounds[1] = axe.getUpperBound();
            }
        }

        double[] bounds = referenceBounds.get(phenomenonId);
        for (String string : prop.getReferenceValues()) {
            if (prop.getRefValue(string).show()) {
                Double value = prop.getRefValue(string).getValue();
                if (value <= bounds[0]) {
                    bounds[0] = value;
                } else if (value >= bounds[1]) {
                    bounds[1] = value;
                }
            }
        }

        Axis axis = prop.getAxis();
        if (axis == null) {
            axis = new Axis(axe.getUpperBound(), axe.getLowerBound());
        } else if (prop.isAutoScale()) {
            axis.setLowerBound(axe.getLowerBound());
            axis.setUpperBound(axe.getUpperBound());
            axis.setMaxY(axis.getMaxY());
            axis.setMinY(axis.getMinY());
        }
        prop.setAxisData(axis);
        this.axisMapping.put(prop.getTimeseriesId(), axis);

        for (String string : prop.getReferenceValues()) {
            if (prop.getRefValue(string).show()) {
                referenceMarkers.add(new ValueMarker(prop.getRefValue(string).getValue(),
                        Color.decode(prop.getRefValue(string).getColor()),
                        new BasicStroke(1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f)));
            }
        }

        plot.mapDatasetToRangeAxis(i, axes.get(phenomenonId));
    }

    for (ValueMarker valueMarker : referenceMarkers) {
        plot.addRangeMarker(valueMarker);
    }

    // show actual time
    ValueMarker nowMarker = new ValueMarker(System.currentTimeMillis(), Color.orange,
            new BasicStroke(1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f));
    plot.addDomainMarker(nowMarker);

    if (!this.isOverview) {
        Iterator<Entry<String, double[]>> iterator = referenceBounds.entrySet().iterator();
        while (iterator.hasNext()) {
            Entry<String, double[]> boundsEntry = iterator.next();
            String phenId = boundsEntry.getKey();
            NumberAxis axe = (NumberAxis) plot.getRangeAxis(axes.get(phenId));
            axe.setAutoRange(true);
            // add a margin 
            double marginOffset = (boundsEntry.getValue()[1] - boundsEntry.getValue()[0]) / 25;
            boundsEntry.getValue()[0] -= marginOffset;
            boundsEntry.getValue()[1] += marginOffset;
            axe.setRange(boundsEntry.getValue()[0], boundsEntry.getValue()[1]);
        }
    }

    /**** SECOND RUN ***/

    // set domain axis labels:
    plot.getDomainAxis().setLabelFont(label);
    plot.getDomainAxis().setLabelPaint(LABEL_COLOR);
    plot.getDomainAxis().setTickLabelFont(tickLabelDomain);
    plot.getDomainAxis().setTickLabelPaint(LABEL_COLOR);
    plot.getDomainAxis().setLabel(designDescriptions.getDomainAxisLabel());

    // define the design for each series:
    for (int datasetIndex = 0; datasetIndex < plot.getDatasetCount(); datasetIndex++) {
        TimeSeriesCollection dataset = (TimeSeriesCollection) plot.getDataset(datasetIndex);

        for (int seriesIndex = 0; seriesIndex < dataset.getSeriesCount(); seriesIndex++) {

            String timeseriesId = (String) dataset.getSeries(seriesIndex).getKey();
            RenderingDesign dd = designDescriptions.get(timeseriesId);

            if (dd != null) {

                // LINESTYLE:
                String lineStyle = dd.getLineStyle();
                int width = dd.getLineWidth();
                if (this.isOverview) {
                    width = width / 2;
                    width = (width == 0) ? 1 : width;
                }
                // "1" is lineStyle "line"
                if (lineStyle.equalsIgnoreCase(LINE)) {
                    XYLineAndShapeRenderer ren = new XYLineAndShapeRenderer(true, false);
                    ren.setStroke(new BasicStroke(width));
                    plot.setRenderer(datasetIndex, ren);
                }
                // "2" is lineStyle "area"
                else if (lineStyle.equalsIgnoreCase(AREA)) {
                    plot.setRenderer(datasetIndex, new XYAreaRenderer());
                }
                // "3" is lineStyle "dotted"
                else if (lineStyle.equalsIgnoreCase(DOTTED)) {
                    XYLineAndShapeRenderer ren = new XYLineAndShapeRenderer(false, true);
                    ren.setShape(new Ellipse2D.Double(-width, -width, 2 * width, 2 * width));
                    plot.setRenderer(datasetIndex, ren);

                }
                // "4" is dashed
                else if (lineStyle.equalsIgnoreCase("4")) {
                    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);
                    renderer.setSeriesStroke(0, new BasicStroke(width, BasicStroke.CAP_ROUND,
                            BasicStroke.JOIN_ROUND, 1.0f, new float[] { 4.0f * width, 4.0f * width }, 0.0f));
                    plot.setRenderer(datasetIndex, renderer);
                } else if (lineStyle.equalsIgnoreCase("5")) {
                    // lines and dots
                    XYLineAndShapeRenderer ren = new XYLineAndShapeRenderer(true, true);
                    int thickness = 2 * width;
                    ren.setShape(new Ellipse2D.Double(-width, -width, thickness, thickness));
                    ren.setStroke(new BasicStroke(width));
                    plot.setRenderer(datasetIndex, ren);
                } else {
                    // default is lineStyle "line"
                    plot.setRenderer(datasetIndex, new XYLineAndShapeRenderer(true, false));
                }

                plot.getRenderer(datasetIndex).setSeriesPaint(seriesIndex, dd.getColor());

                // plot.getRenderer(datasetIndex).setShapesVisible(true);

                XYToolTipGenerator toolTipGenerator = StandardXYToolTipGenerator.getTimeSeriesInstance();
                XYURLGenerator urlGenerator = new MetadataInURLGenerator(designDescriptions);

                plot.getRenderer(datasetIndex).setBaseToolTipGenerator(toolTipGenerator);
                plot.getRenderer(datasetIndex).setURLGenerator(urlGenerator);

                // GRID:
                // PROBLEM: JFreeChart only allows to switch the grid on/off
                // for the whole XYPlot. And the
                // grid will always be displayed for the first series in the
                // plot. I'll always show the
                // grid.
                // --> plot.setDomainGridlinesVisible(visible)

                // RANGE AXIS LABELS:
                if (isOverview) {
                    plot.getRangeAxisForDataset(datasetIndex).setTickLabelsVisible(false);
                    plot.getRangeAxisForDataset(datasetIndex).setTickMarksVisible(false);
                    plot.getRangeAxisForDataset(datasetIndex).setVisible(false);
                } else {
                    plot.getRangeAxisForDataset(datasetIndex).setLabelFont(label);
                    plot.getRangeAxisForDataset(datasetIndex).setLabelPaint(LABEL_COLOR);
                    plot.getRangeAxisForDataset(datasetIndex).setTickLabelFont(tickLabelDomain);
                    plot.getRangeAxisForDataset(datasetIndex).setTickLabelPaint(LABEL_COLOR);
                    StringBuilder unitOfMeasure = new StringBuilder();
                    unitOfMeasure.append(dd.getPhenomenon().getLabel());
                    String uomLabel = dd.getUomLabel();
                    if (uomLabel != null && !uomLabel.isEmpty()) {
                        unitOfMeasure.append(" (").append(uomLabel).append(")");
                    }
                    plot.getRangeAxisForDataset(datasetIndex).setLabel(unitOfMeasure.toString());
                }
            }
        }
    }
    return chart;
}

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

/**
 * <pre>/*from   ww w . j a  va2  s  . co m*/
 * dataset :=  associated to one range-axis;
 * corresponds to one observedProperty;
 * may contain multiple series;
 * series :=   corresponds to a time series for one foi
 * </pre>
 *
 * .
 *
 * @param entireCollMap
 *            the entire coll map
 * @param options
 *            the options
 * @param begin
 *            the begin
 * @param end
 *            the end
 * @param compress
 * @return the j free chart
 */
public JFreeChart renderChart(Map<String, OXFFeatureCollection> entireCollMap, DesignOptions options,
        Calendar begin, Calendar end, boolean compress) {

    DesignDescriptionList designDescriptions = buildUpDesignDescriptionList(options);

    /*** FIRST RUN ***/
    JFreeChart chart = initializeTimeSeriesChart();
    chart.setBackgroundPaint(Color.white);

    if (!this.isOverview) {
        chart.addSubtitle(new TextTitle(ConfigurationContext.COPYRIGHT, new Font(LABEL_FONT, Font.PLAIN, 9),
                Color.black, RectangleEdge.BOTTOM, HorizontalAlignment.RIGHT, VerticalAlignment.BOTTOM,
                new RectangleInsets(0, 0, 20, 20)));
    }
    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);

    plot.setDomainGridlinesVisible(options.getGrid());
    plot.setRangeGridlinesVisible(options.getGrid());

    // add additional datasets:
    DateAxis dateAxis = (DateAxis) plot.getDomainAxis();
    dateAxis.setRange(begin.getTime(), end.getTime());
    dateAxis.setDateFormatOverride(new SimpleDateFormat());
    dateAxis.setTimeZone(end.getTimeZone());

    // add all axes
    String[] phenomenaIds = options.getAllPhenomenIds();
    // all the axis indices to map them later
    HashMap<String, Integer> axes = new HashMap<String, Integer>();
    for (int i = 0; i < phenomenaIds.length; i++) {
        axes.put(phenomenaIds[i], i);
        plot.setRangeAxis(i, new NumberAxis(phenomenaIds[i]));
    }

    // list range markers
    ArrayList<ValueMarker> referenceMarkers = new ArrayList<ValueMarker>();
    HashMap<String, double[]> referenceBounds = new HashMap<String, double[]>();

    // create all TS collections
    for (int i = 0; i < options.getProperties().size(); i++) {

        TimeseriesProperties prop = options.getProperties().get(i);

        String phenomenonId = prop.getPhenomenon();

        TimeSeriesCollection dataset = createDataset(entireCollMap, prop, phenomenonId, compress);
        dataset.setGroup(new DatasetGroup(prop.getTimeseriesId()));
        XYDataset additionalDataset = dataset;

        NumberAxis axe = (NumberAxis) plot.getRangeAxis(axes.get(phenomenonId));

        if (this.isOverview) {
            axe.setAutoRange(true);
            axe.setAutoRangeIncludesZero(false);
        } else if (prop.getAxisUpperBound() == prop.getAxisLowerBound() || prop.isAutoScale()) {
            if (prop.isZeroScaled()) {
                axe.setAutoRangeIncludesZero(true);
            } else {
                axe.setAutoRangeIncludesZero(false);
            }
        } else {
            if (prop.isZeroScaled()) {
                if (axe.getUpperBound() < prop.getAxisUpperBound()) {
                    axe.setUpperBound(prop.getAxisUpperBound());
                }
                if (axe.getLowerBound() > prop.getAxisLowerBound()) {
                    axe.setLowerBound(prop.getAxisLowerBound());
                }
            } else {
                axe.setRange(prop.getAxisLowerBound(), prop.getAxisUpperBound());
                axe.setAutoRangeIncludesZero(false);
            }
        }

        plot.setDataset(i, additionalDataset);
        plot.mapDatasetToRangeAxis(i, axes.get(phenomenonId));

        // set bounds new for reference values
        if (!referenceBounds.containsKey(phenomenonId)) {
            double[] bounds = new double[] { axe.getLowerBound(), axe.getUpperBound() };
            referenceBounds.put(phenomenonId, bounds);
        } else {
            double[] bounds = referenceBounds.get(phenomenonId);
            if (bounds[0] >= axe.getLowerBound()) {
                bounds[0] = axe.getLowerBound();
            }
            if (bounds[1] <= axe.getUpperBound()) {
                bounds[1] = axe.getUpperBound();
            }
        }

        double[] bounds = referenceBounds.get(phenomenonId);
        for (String string : prop.getReferenceValues()) {
            if (prop.getRefValue(string).show()) {
                Double value = prop.getRefValue(string).getValue();
                if (value <= bounds[0]) {
                    bounds[0] = value;
                } else if (value >= bounds[1]) {
                    bounds[1] = value;
                }
            }
        }

        Axis axis = prop.getAxis();
        if (axis == null) {
            axis = new Axis(axe.getUpperBound(), axe.getLowerBound());
        } else if (prop.isAutoScale()) {
            axis.setLowerBound(axe.getLowerBound());
            axis.setUpperBound(axe.getUpperBound());
            axis.setMaxY(axis.getMaxY());
            axis.setMinY(axis.getMinY());
        }
        prop.setAxisData(axis);
        this.axisMapping.put(prop.getTimeseriesId(), axis);

        for (String string : prop.getReferenceValues()) {
            if (prop.getRefValue(string).show()) {
                referenceMarkers.add(new ValueMarker(prop.getRefValue(string).getValue(),
                        Color.decode(prop.getRefValue(string).getColor()),
                        new BasicStroke(1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f)));
            }
        }

        plot.mapDatasetToRangeAxis(i, axes.get(phenomenonId));
    }

    for (ValueMarker valueMarker : referenceMarkers) {
        plot.addRangeMarker(valueMarker);
    }

    // show actual time
    ValueMarker nowMarker = new ValueMarker(System.currentTimeMillis(), Color.orange,
            new BasicStroke(1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f));
    plot.addDomainMarker(nowMarker);

    if (!this.isOverview) {
        Iterator<Entry<String, double[]>> iterator = referenceBounds.entrySet().iterator();
        while (iterator.hasNext()) {
            Entry<String, double[]> boundsEntry = iterator.next();
            String phenId = boundsEntry.getKey();
            NumberAxis axe = (NumberAxis) plot.getRangeAxis(axes.get(phenId));
            axe.setAutoRange(true);
            // add a margin
            double marginOffset = (boundsEntry.getValue()[1] - boundsEntry.getValue()[0]) / 25;
            boundsEntry.getValue()[0] -= marginOffset;
            boundsEntry.getValue()[1] += marginOffset;
            axe.setRange(boundsEntry.getValue()[0], boundsEntry.getValue()[1]);
        }
    }

    /**** SECOND RUN ***/

    // set domain axis labels:
    plot.getDomainAxis().setLabelFont(label);
    plot.getDomainAxis().setLabelPaint(LABEL_COLOR);
    plot.getDomainAxis().setTickLabelFont(tickLabelDomain);
    plot.getDomainAxis().setTickLabelPaint(LABEL_COLOR);
    plot.getDomainAxis().setLabel(designDescriptions.getDomainAxisLabel());

    // define the design for each series:
    for (int datasetIndex = 0; datasetIndex < plot.getDatasetCount(); datasetIndex++) {
        TimeSeriesCollection dataset = (TimeSeriesCollection) plot.getDataset(datasetIndex);

        for (int seriesIndex = 0; seriesIndex < dataset.getSeriesCount(); seriesIndex++) {

            String timeseriesId = (String) dataset.getSeries(seriesIndex).getKey();
            RenderingDesign dd = designDescriptions.get(timeseriesId);

            if (dd != null) {

                // LINESTYLE:
                String lineStyle = dd.getLineStyle();
                int width = dd.getLineWidth();
                if (this.isOverview) {
                    width = width / 2;
                    width = (width == 0) ? 1 : width;
                }
                // "1" is lineStyle "line"
                if (lineStyle.equalsIgnoreCase(LINE)) {
                    XYLineAndShapeRenderer ren = new XYLineAndShapeRenderer(true, false);
                    ren.setStroke(new BasicStroke(width));
                    plot.setRenderer(datasetIndex, ren);
                }
                // "2" is lineStyle "area"
                else if (lineStyle.equalsIgnoreCase(AREA)) {
                    plot.setRenderer(datasetIndex, new XYAreaRenderer());
                }
                // "3" is lineStyle "dotted"
                else if (lineStyle.equalsIgnoreCase(DOTTED)) {
                    XYLineAndShapeRenderer ren = new XYLineAndShapeRenderer(false, true);
                    ren.setShape(new Ellipse2D.Double(-width, -width, 2 * width, 2 * width));
                    plot.setRenderer(datasetIndex, ren);

                }
                // "4" is dashed
                else if (lineStyle.equalsIgnoreCase("4")) { // dashed
                    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);
                    renderer.setSeriesStroke(0, new BasicStroke(width, BasicStroke.CAP_ROUND,
                            BasicStroke.JOIN_ROUND, 1.0f, new float[] { 4.0f * width, 4.0f * width }, 0.0f));
                    plot.setRenderer(datasetIndex, renderer);
                } else if (lineStyle.equalsIgnoreCase("5")) {
                    // lines and dots
                    XYLineAndShapeRenderer ren = new XYLineAndShapeRenderer(true, true);
                    int thickness = 2 * width;
                    ren.setShape(new Ellipse2D.Double(-width, -width, thickness, thickness));
                    ren.setStroke(new BasicStroke(width));
                    plot.setRenderer(datasetIndex, ren);
                } else {
                    // default is lineStyle "line"
                    plot.setRenderer(datasetIndex, new XYLineAndShapeRenderer(true, false));
                }

                plot.getRenderer(datasetIndex).setSeriesPaint(seriesIndex, dd.getColor());

                // plot.getRenderer(datasetIndex).setShapesVisible(true);

                XYToolTipGenerator toolTipGenerator = StandardXYToolTipGenerator.getTimeSeriesInstance();
                XYURLGenerator urlGenerator = new MetadataInURLGenerator(designDescriptions);

                plot.getRenderer(datasetIndex).setBaseToolTipGenerator(toolTipGenerator);
                plot.getRenderer(datasetIndex).setURLGenerator(urlGenerator);

                // GRID:
                // PROBLEM: JFreeChart only allows to switch the grid on/off
                // for the whole XYPlot. And the
                // grid will always be displayed for the first series in the
                // plot. I'll always show the
                // grid.
                // --> plot.setDomainGridlinesVisible(visible)

                // RANGE AXIS LABELS:
                if (isOverview) {
                    plot.getRangeAxisForDataset(datasetIndex).setTickLabelsVisible(false);
                    plot.getRangeAxisForDataset(datasetIndex).setTickMarksVisible(false);
                    plot.getRangeAxisForDataset(datasetIndex).setVisible(false);
                } else {
                    plot.getRangeAxisForDataset(datasetIndex).setLabelFont(label);
                    plot.getRangeAxisForDataset(datasetIndex).setLabelPaint(LABEL_COLOR);
                    plot.getRangeAxisForDataset(datasetIndex).setTickLabelFont(tickLabelDomain);
                    plot.getRangeAxisForDataset(datasetIndex).setTickLabelPaint(LABEL_COLOR);
                    StringBuilder unitOfMeasure = new StringBuilder();
                    unitOfMeasure.append(dd.getPhenomenon().getLabel());
                    String uomLabel = dd.getUomLabel();
                    if (uomLabel != null && !uomLabel.isEmpty()) {
                        unitOfMeasure.append(" (").append(uomLabel).append(")");
                    }
                    plot.getRangeAxisForDataset(datasetIndex).setLabel(unitOfMeasure.toString());
                }
            }
        }
    }
    return chart;
}