Examples with ValueAxis org.jfree.chart.axis.ValueAxis used on opensource projects

Example 1 with ValueAxis

use of org.jfree.chart.axis.ValueAxis in project series-rest-api by 52North.

the class ChartIoHandler method configureDomainAxis.

private void configureDomainAxis(XYPlot plot) {
    ValueAxis domainAxis = plot.getDomainAxis();
    domainAxis.setTickLabelFont(LabelConstants.FONT_LABEL);
    domainAxis.setLabelFont(LabelConstants.FONT_LABEL);
    domainAxis.setTickLabelPaint(LabelConstants.COLOR);
    domainAxis.setLabelPaint(LabelConstants.COLOR);
}

Example 2 with ValueAxis

use of org.jfree.chart.axis.ValueAxis in project libresonic by Libresonic.

the class StatusChartController method handleRequest.

@RequestMapping(method = RequestMethod.GET)
public synchronized ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String type = request.getParameter("type");
    int index = Integer.parseInt(request.getParameter("index"));
    List<TransferStatus> statuses = Collections.emptyList();
    if ("stream".equals(type)) {
        statuses = statusService.getAllStreamStatuses();
    } else if ("download".equals(type)) {
        statuses = statusService.getAllDownloadStatuses();
    } else if ("upload".equals(type)) {
        statuses = statusService.getAllUploadStatuses();
    }
    if (index < 0 || index >= statuses.size()) {
        return null;
    }
    TransferStatus status = statuses.get(index);
    TimeSeries series = new TimeSeries("Kbps", Millisecond.class);
    TransferStatus.SampleHistory history = status.getHistory();
    long to = System.currentTimeMillis();
    long from = to - status.getHistoryLengthMillis();
    Range range = new DateRange(from, to);
    if (!history.isEmpty()) {
        TransferStatus.Sample previous = history.get(0);
        for (int i = 1; i < history.size(); i++) {
            TransferStatus.Sample sample = history.get(i);
            long elapsedTimeMilis = sample.getTimestamp() - previous.getTimestamp();
            long bytesStreamed = Math.max(0L, sample.getBytesTransfered() - previous.getBytesTransfered());
            double kbps = (8.0 * bytesStreamed / 1024.0) / (elapsedTimeMilis / 1000.0);
            series.addOrUpdate(new Millisecond(new Date(sample.getTimestamp())), kbps);
            previous = sample;
        }
    }
    // Compute moving average.
    series = MovingAverage.createMovingAverage(series, "Kbps", 20000, 5000);
    // Find min and max values.
    double min = 100;
    double max = 250;
    for (Object obj : series.getItems()) {
        TimeSeriesDataItem item = (TimeSeriesDataItem) obj;
        double value = item.getValue().doubleValue();
        if (item.getPeriod().getFirstMillisecond() > from) {
            min = Math.min(min, value);
            max = Math.max(max, value);
        }
    }
    // Add 10% to max value.
    max *= 1.1D;
    // Subtract 10% from min value.
    min *= 0.9D;
    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);
    JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, dataset, false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
    Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_HEIGHT, Color.white);
    plot.setBackgroundPaint(background);
    XYItemRenderer renderer = plot.getRendererForDataset(dataset);
    renderer.setSeriesPaint(0, Color.blue.darker());
    renderer.setSeriesStroke(0, new BasicStroke(2f));
    // Set theme-specific colors.
    Color bgColor = getBackground(request);
    Color fgColor = getForeground(request);
    chart.setBackgroundPaint(bgColor);
    ValueAxis domainAxis = plot.getDomainAxis();
    domainAxis.setRange(range);
    domainAxis.setTickLabelPaint(fgColor);
    domainAxis.setTickMarkPaint(fgColor);
    domainAxis.setAxisLinePaint(fgColor);
    ValueAxis rangeAxis = plot.getRangeAxis();
    rangeAxis.setRange(new Range(min, max));
    rangeAxis.setTickLabelPaint(fgColor);
    rangeAxis.setTickMarkPaint(fgColor);
    rangeAxis.setAxisLinePaint(fgColor);
    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, IMAGE_WIDTH, IMAGE_HEIGHT);
    return null;
}

Example 3 with ValueAxis

use of org.jfree.chart.axis.ValueAxis in project jgnash by ccavanaugh.

the class SecurityHighLowChart method createHighLowChart.

private static JFreeChart createHighLowChart(String title, String timeAxisLabel, String valueAxisLabel, AbstractXYDataset data, boolean legend) {
    ValueAxis timeAxis = new DateAxis(timeAxisLabel);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    valueAxis.setAutoRangeIncludesZero(false);
    HighLowRenderer renderer = new HighLowRenderer();
    renderer.setBaseToolTipGenerator(new HighLowItemLabelGenerator());
    XYPlot plot = new XYPlot(data, timeAxis, valueAxis, renderer);
    return new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
}

Example 4 with ValueAxis

use of org.jfree.chart.axis.ValueAxis in project dhis2-core by dhis2.

the class DefaultChartService method getJFreeChart.

/**
     * Returns a JFreeChart of type defined in the chart argument.
     */
private JFreeChart getJFreeChart(BaseChart chart) {
    final CategoryDataset[] dataSets = getCategoryDataSet(chart);
    final CategoryDataset dataSet = dataSets[0];
    final BarRenderer barRenderer = getBarRenderer();
    final LineAndShapeRenderer lineRenderer = getLineRenderer();
    // ---------------------------------------------------------------------
    // Plot
    // ---------------------------------------------------------------------
    CategoryPlot plot = null;
    if (chart.isType(ChartType.LINE)) {
        plot = new CategoryPlot(dataSet, new CategoryAxis(), new NumberAxis(), lineRenderer);
        plot.setOrientation(PlotOrientation.VERTICAL);
    } else if (chart.isType(ChartType.COLUMN)) {
        plot = new CategoryPlot(dataSet, new CategoryAxis(), new NumberAxis(), barRenderer);
        plot.setOrientation(PlotOrientation.VERTICAL);
    } else if (chart.isType(ChartType.BAR)) {
        plot = new CategoryPlot(dataSet, new CategoryAxis(), new NumberAxis(), barRenderer);
        plot.setOrientation(PlotOrientation.HORIZONTAL);
    } else if (chart.isType(ChartType.AREA)) {
        return getStackedAreaChart(chart, dataSet);
    } else if (chart.isType(ChartType.PIE)) {
        return getMultiplePieChart(chart, dataSets);
    } else if (chart.isType(ChartType.STACKED_COLUMN)) {
        return getStackedBarChart(chart, dataSet, false);
    } else if (chart.isType(ChartType.STACKED_BAR)) {
        return getStackedBarChart(chart, dataSet, true);
    } else if (chart.isType(ChartType.RADAR)) {
        return getRadarChart(chart, dataSet);
    } else if (chart.isType(ChartType.GAUGE)) {
        Number number = dataSet.getValue(0, 0);
        ValueDataset valueDataSet = new DefaultValueDataset(number);
        return getGaugeChart(chart, valueDataSet);
    } else {
        throw new IllegalArgumentException("Illegal or no chart type: " + chart.getType());
    }
    if (chart.isRegression()) {
        plot.setDataset(1, dataSets[1]);
        plot.setRenderer(1, lineRenderer);
    }
    JFreeChart jFreeChart = new JFreeChart(chart.getName(), TITLE_FONT, plot, !chart.isHideLegend());
    setBasicConfig(jFreeChart, chart);
    if (chart.isTargetLine()) {
        plot.addRangeMarker(getMarker(chart.getTargetLineValue(), chart.getTargetLineLabel()));
    }
    if (chart.isBaseLine()) {
        plot.addRangeMarker(getMarker(chart.getBaseLineValue(), chart.getBaseLineLabel()));
    }
    if (chart.isHideSubtitle()) {
        jFreeChart.addSubtitle(getSubTitle(chart));
    }
    plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
    // ---------------------------------------------------------------------
    // Category label positions
    // ---------------------------------------------------------------------
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    domainAxis.setLabel(chart.getDomainAxisLabel());
    ValueAxis rangeAxis = plot.getRangeAxis();
    rangeAxis.setLabel(chart.getRangeAxisLabel());
    return jFreeChart;
}

Example 5 with ValueAxis

use of org.jfree.chart.axis.ValueAxis in project processdash by dtuma.

the class CGIChartBase method setupCategoryChart.

protected void setupCategoryChart(JFreeChart chart) {
    if (!(chart.getPlot() instanceof CategoryPlot))
        return;
    CategoryPlot cp = chart.getCategoryPlot();
    CategoryAxis catAxis = cp.getDomainAxis();
    ValueAxis otherAxis = cp.getRangeAxis();
    if (!chromeless) {
        String catAxisLabel = data.getColName(0);
        if (catAxisLabel == null)
            catAxisLabel = Translator.translate("Project/Task");
        String otherAxisLabel = Translator.translate(getSetting("units"));
        if ((otherAxisLabel == null || otherAxisLabel.length() == 0) && data.numCols() == 1)
            otherAxisLabel = data.getColName(1);
        if (otherAxisLabel == null)
            otherAxisLabel = Translator.translate("Value");
        String catLabels = getParameter("categoryLabels");
        catAxis.setLabel(catAxisLabel);
        otherAxis.setLabel(otherAxisLabel);
        if ("vertical".equalsIgnoreCase(catLabels))
            catAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
        else if ("none".equalsIgnoreCase(catLabels))
            catAxis.setTickLabelsVisible(false);
    }
    if (data.numCols() == 1 && getParameter("noSkipLegend") == null) {
        chart.removeLegend();
        chart.getPlot().setInsets(new RectangleInsets(5, 2, 2, 5));
    }
}