Examples with DateRange org.jfree.data.time.DateRange used on opensource projects

Example 36 with DateRange

use of org.jfree.data.time.DateRange in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class DateAxis method valueToJava2D.

/**
 * Translates the data value to the display coordinates (Java 2D User Space)
 * of the chart.
 *
 * @param value  the date to be plotted.
 * @param area  the rectangle (in Java2D space) where the data is to be
 *              plotted.
 * @param edge  the axis location.
 *
 * @return The coordinate corresponding to the supplied data value.
 */
@Override
public double valueToJava2D(double value, Rectangle2D area, RectangleEdge edge) {
    value = this.timeline.toTimelineValue((long) value);
    DateRange range = (DateRange) getRange();
    double axisMin = this.timeline.toTimelineValue(range.getLowerMillis());
    double axisMax = this.timeline.toTimelineValue(range.getUpperMillis());
    double result = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
        double minX = area.getX();
        double maxX = area.getMaxX();
        if (isInverted()) {
            result = maxX + ((value - axisMin) / (axisMax - axisMin)) * (minX - maxX);
        } else {
            result = minX + ((value - axisMin) / (axisMax - axisMin)) * (maxX - minX);
        }
    } else if (RectangleEdge.isLeftOrRight(edge)) {
        double minY = area.getMinY();
        double maxY = area.getMaxY();
        if (isInverted()) {
            result = minY + (((value - axisMin) / (axisMax - axisMin)) * (maxY - minY));
        } else {
            result = maxY - (((value - axisMin) / (axisMax - axisMin)) * (maxY - minY));
        }
    }
    return result;
}

Example 37 with DateRange

use of org.jfree.data.time.DateRange in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class DateAxisTest method testSetRange.

/**
 * Test that the setRange() method works.
 */
@Test
public void testSetRange() {
    DateAxis axis = new DateAxis("Test Axis");
    Calendar calendar = Calendar.getInstance();
    calendar.set(1999, Calendar.JANUARY, 3);
    Date d1 = calendar.getTime();
    calendar.set(1999, Calendar.JANUARY, 31);
    Date d2 = calendar.getTime();
    axis.setRange(d1, d2);
    DateRange range = (DateRange) axis.getRange();
    assertEquals(d1, range.getLowerDate());
    assertEquals(d2, range.getUpperDate());
}

Example 38 with DateRange

use of org.jfree.data.time.DateRange in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class PeriodAxisTest method test1932146.

/**
 * A test for bug 1932146.
 */
@Test
public void test1932146() {
    PeriodAxis axis = new PeriodAxis("TestAxis");
    axis.addChangeListener(this);
    this.lastEvent = null;
    axis.setRange(new DateRange(0L, 1000L));
    assertNotNull(this.lastEvent);
}

Example 39 with DateRange

use of org.jfree.data.time.DateRange in project jpsonic by tesshucom.

the class StatusChartController method handleRequest.

// (Millisecond, Date) Not reusable
@SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
@Override
@GetMapping
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String type = request.getParameter(Attributes.Request.TYPE.value());
    int index = ServletRequestUtils.getIntParameter(request, Attributes.Request.INDEX.value(), 0);
    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");
    TransferStatus.SampleHistory history = status.getHistory();
    long to = System.currentTimeMillis();
    long from = to - status.getHistoryLengthMillis();
    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", 20_000, 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);
    StandardChartTheme theme = (StandardChartTheme) StandardChartTheme.createJFreeTheme();
    Font font = fontLoader.getFont(12F);
    theme.setExtraLargeFont(font);
    theme.setLargeFont(font);
    theme.setRegularFont(font);
    theme.setSmallFont(font);
    theme.apply(chart);
    Color bgColor = getBackground(request);
    chart.setBackgroundPaint(bgColor);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(bgColor);
    Color fgColor = getForeground(request);
    plot.setOutlinePaint(fgColor);
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
    plot.setRangeGridlinePaint(fgColor);
    plot.setRangeGridlineStroke(new BasicStroke(0.2f));
    plot.setDomainGridlinePaint(fgColor);
    plot.setDomainGridlineStroke(new BasicStroke(0.2f));
    XYItemRenderer renderer = plot.getRendererForDataset(dataset);
    Color stColor = getStroke(request);
    renderer.setSeriesPaint(0, stColor);
    renderer.setSeriesStroke(0, new BasicStroke(4.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER));
    ValueAxis domainAxis = plot.getDomainAxis();
    domainAxis.setRange(new DateRange(from, to));
    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);
    synchronized (LOCK) {
        ChartUtils.writeChartAsPNG(response.getOutputStream(), chart, IMAGE_WIDTH, IMAGE_HEIGHT);
    }
    return null;
}