Example usage for org.jfree.data.xy XYSeries setMaximumItemCount

Introduction

In this page you can find the example usage for org.jfree.data.xy XYSeries setMaximumItemCount.

Prototype

public void setMaximumItemCount(int maximum) 

Source Link

Document

Sets the maximum number of items that will be retained in the series.

Usage

From source file:org.jfree.chart.demo.PerformanceTest1.java

public static void main5(String as[]) {
    XYSeries xyseries = new XYSeries("Test");
    xyseries.setMaximumItemCount(4000);
    int i = 0;// ww w .j  av  a2  s  .c  o m
    for (int j = 0; j < 40000; j++) {
        long l = System.currentTimeMillis();
        for (int k = 0; k < 4000; k++)
            xyseries.add(i++, Math.random());

        long l1 = System.currentTimeMillis();
        System.out.println(j + " --> " + (l1 - l) + " (" + Runtime.getRuntime().freeMemory() + " / "
                + Runtime.getRuntime().totalMemory() + ")");
    }

}

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From source file:org.jboss.modcluster.demo.client.ChartManager.java

private XYSeries createSessionSeries(String key) {
    XYSeries series = new XYSeries(key);
    series.setMaximumItemCount(20);
    sessionSeries.put(key, series);/*w  ww  .  ja v  a  2  s .c  o m*/
    sessionSeriesCollection.addSeries(series);
    return series;
}

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From source file:org.jboss.modcluster.demo.client.ChartManager.java

private XYSeries createRequestSeries(String key) {
    XYSeries series = new XYSeries(key);
    series.setMaximumItemCount(20);
    requestSeries.put(key, series);/*from w  ww. j a  v a2 s.c om*/
    requestSeriesCollection.addSeries(series);
    return series;
}

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From source file:uk.co.moonsit.rmi.GraphClient.java

private void init(String config) throws IOException {
    //sp = ev3.createSampleProvider(portName, sensorClass, mode);
    String[] pars = config.split(";");
    String labels = pars[0];//from   ww w.j  ava 2s. c o  m
    String category = pars[1];
    String units = pars[2];
    //int minValue = Integer.parseInt(pars[3]);
    //int maxValue = Integer.parseInt(pars[4]);

    if (log) {
        openFile(labels);
    }

    String[] labelsArray = labels.split(",");
    //seriesArray = new XYSeries[labelsArray.length];
    int i = 0;
    for (String label : labelsArray) {
        XYSeries series = new XYSeries(label);
        series.setMaximumItemCount(dataLength);
        dataset.addSeries(series);
        //seriesArray[i++] = series;
    }
    JFreeChart chart = ChartFactory.createXYLineChart(title, category, units, (XYDataset) dataset,
            PlotOrientation.VERTICAL, true, true, false);

    ChartPanel chartPanel = new ChartPanel(chart);
    //chartPanel.setMinimumSize(new Dimension(windowWidth, windowHeight));
    chartPanel.setPreferredSize(new Dimension(windowWidth, windowHeight));
    setContentPane(chartPanel);

    //XYPlot plot = chart.getXYPlot();
    //NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    //rangeAxis.setRange(minValue, maxValue);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    pack();
    setVisible(true);
}

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From source file:com.romraider.logger.ecu.ui.handler.graph.GraphUpdateHandler.java

private void registerSeries(LoggerData loggerData) {
    final XYSeries series = new XYSeries(loggerData.getName());
    series.setMaximumItemCount(200);
    seriesMap.put(loggerData, series);/*w w w  .j  a  va 2s  . c  o m*/
}

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From source file:de.nomagic.printerController.gui.TemperaturePanel.java

/** a temperature reading arrived from the Client.
 *
 *///from www .  j  av  a2s  .  c o m
@Override
public void update(Heater_enum position, double temperature) {
    // TODO Thread Sync problem ???
    XYSeries curSeries = data[position.ordinal()];
    if (null == curSeries) {
        // first Temperature Report on this Heater
        curSeries = new XYSeries(position.toString());
        curSeries.setMaximumItemCount(MAXIMUM_ITEM_COUNT);
        data[position.ordinal()] = curSeries;
        dataset.addSeries(curSeries);
    }
    // else nothing to do
    if (Protocol.LOWEST_POSSIBLE_TEMPERATURE < temperature) {
        long curTime = System.currentTimeMillis();
        curTime = curTime - startTime;
        curSeries.add(curTime, temperature);
    } else {
        // Invalid Temperature reported -> ignore the value
    }
    if (TimeoutHandler.ERROR_FAILED_TO_CREATE_TIMEOUT == timeOutId[position.getValue()]) {
        // first Time this Heater reports a Temperature -> create a timeout
        final Event e = new Event(Action_enum.timeOut, position, this);
        timeOutId[position.getValue()] = timeOut.createTimeout(e,
                MAXIMUM_TIME_BETWEEN_TEMPERATURE_MEASUREMENT_MS);
    }
    timeOut.startTimeout(timeOutId[position.getValue()]);
}

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From source file:uk.co.moonsit.sockets.GraphClient.java

private JFreeChart initChart(String config) {
    logger.info("+++ initChart start ");

    String[] pars = config.split(";");
    String labels = pars[0];/*  w  w  w . j  a v a  2 s  .c o  m*/
    String category = pars[1];
    //String units = pars[2];

    String[] labelsArray = labels.split(",");
    //seriesArray = new XYSeries[labelsArray.length];
    datasets = new XYSeriesCollection[labelsArray.length];
    JFreeChart chart = ChartFactory.createXYLineChart(null, category, null, (XYDataset) datasets[0],
            PlotOrientation.VERTICAL, true, true, false);

    int j = 0;
    int[] axesIndex = new int[labelsArray.length];
    for (String label_ind : labelsArray) {
        String[] liArr = label_ind.split("_");
        XYSeries series = new XYSeries(liArr[0]);
        axesIndex[j] = Integer.parseInt(liArr[1]);
        series.setMaximumItemCount(dataLength);
        datasets[j] = new XYSeriesCollection();
        datasets[j].addSeries(series);
        //seriesArray[i++] = series;
        j++;
    }

    XYPlot plot = chart.getXYPlot();
    setAxes(plot, axesIndex);
    setSubtitles(chart, labelsArray);
    setSeriesColors(plot);

    return chart;
}

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From source file:com.jbombardier.console.charts.XYTimeChartPanel.java

protected XYSeries getSeriesForSource(String label) {
    XYSeries xySeries;
    synchronized (seriesForSource) {
        xySeries = seriesForSource.get(label);
        if (xySeries == null) {
            xySeries = new XYSeries(label);
            int seriesIndex = xyseriescollection.getSeriesCount();
            xyseriescollection.addSeries(xySeries);

            xySeries.setMaximumItemCount(datapoints);
            seriesForSource.put(label, xySeries);

            if (lineFormatController != null) {
                Paint paint = lineFormatController.allocateColour(label);

                XYPlot xyPlot = chart.getXYPlot();
                XYItemRenderer xyir = xyPlot.getRenderer();
                xyir.setSeriesPaint(seriesIndex, paint);

                Stroke stroke = lineFormatController.getStroke(label);
                xyir.setSeriesStroke(seriesIndex, stroke);
            }/*www.  j  a  va 2 s  . c om*/
        }
    }
    return xySeries;
}

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From source file:org.jfree.data.xy.XYSeriesTest.java

/**
 * Check that the item bounds are determined correctly when there is a
 * maximum item count.//from   ww  w  .j  av  a 2  s.  co  m
 */
@Test
public void testSetMaximumItemCount4() {
    XYSeries s1 = new XYSeries("S1");
    s1.setMaximumItemCount(2);
    s1.add(1.0, 1.1);
    s1.add(2.0, 2.2);
    s1.add(3.0, 3.3);
    assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
    assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
    assertEquals(2.0, s1.getMinX(), EPSILON);
    assertEquals(3.0, s1.getMaxX(), EPSILON);
    assertEquals(2.2, s1.getMinY(), EPSILON);
    assertEquals(3.3, s1.getMaxY(), EPSILON);
}

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From source file:org.jfree.data.xy.XYSeriesTest.java

/**
 * A simple check that the maximumItemCount attribute is working.
 *///from  ww  w  .ja va 2  s. com
@Test
public void testSetMaximumItemCount() {
    XYSeries s1 = new XYSeries("S1");
    assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
    s1.setMaximumItemCount(2);
    assertEquals(2, s1.getMaximumItemCount());
    s1.add(1.0, 1.1);
    s1.add(2.0, 2.2);
    s1.add(3.0, 3.3);
    assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
    assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}

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