Example usage for org.jfree.data.time TimeSeries getItemCount

Introduction

In this page you can find the example usage for org.jfree.data.time TimeSeries getItemCount.

Prototype

@Override
public int getItemCount() 

Source Link

Document

Returns the number of items in the series.

Usage

From source file:de.berlios.statcvs.xml.chart.AbstractTimeSeriesChart.java

public boolean hasData() {
    for (Iterator it = tsc.getSeries().iterator(); it.hasNext();) {
        TimeSeries series = (TimeSeries) it.next();
        if (series.getItemCount() <= 1) {
            return false;
        }//  w w  w.j  a  v  a 2s. c o  m
    }
    return true;
}

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From source file:com.charts.FiveDayChart.java

public FiveDayChart(YStockQuote currentStock) {
    TimeSeries series = new TimeSeries(currentStock.get_name());
    ArrayList<String> fiveDayData = currentStock.get_five_day_data();
    int length = fiveDayData.size();
    for (int i = 22; i < length; i += 5) {
        String[] data = fiveDayData.get(i).split(",");
        Date time = new Date((long) Integer.parseInt(data[0]) * 1000);
        DateFormat df = new SimpleDateFormat("MM-dd-yyyy-h-m");
        series.addOrUpdate(new Minute(time), Double.parseDouble(data[1]));
    }/*  w ww .j  a  v  a 2 s  . c  o m*/
    String[] data = fiveDayData.get(length - 1).split(",");
    Date time = new Date((long) Integer.parseInt(data[0]) * 1000);
    DateFormat df = new SimpleDateFormat("MM-dd-yyyy-h-m");
    series.addOrUpdate(new Minute(time), Double.parseDouble(data[1]));

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    dataset.addSeries(series);
    JFreeChart chart = ChartFactory.createTimeSeriesChart(
            currentStock.get_name() + "(" + currentStock.get_symbol() + ")" + " Five Day", "Date", "Price",
            dataset, true, true, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);
    ValueAxis yAxis = (ValueAxis) plot.getRangeAxis();

    DateAxis xAxis = (DateAxis) plot.getDomainAxis();
    Date now = new Date();
    SegmentedTimeline segmentedTimeline = SegmentedTimeline.newFifteenMinuteTimeline();
    segmentedTimeline.addBaseTimelineExclusions(segmentedTimeline.getStartTime(), now.getTime());
    Calendar[][] holidays = DayRange.getHolidayDates();
    for (int i = 0; i < holidays[0].length; i++) {
        Calendar day = Calendar.getInstance();
        day.set(Calendar.YEAR, holidays[0][i].get(Calendar.YEAR));
        day.set(Calendar.MONTH, holidays[0][i].get(Calendar.MONTH));
        day.set(Calendar.DAY_OF_MONTH, holidays[0][i].get(Calendar.DAY_OF_MONTH));
        day.set(Calendar.HOUR_OF_DAY, 9);
        segmentedTimeline.addException(day.getTimeInMillis(), day.getTimeInMillis() + 21600000);
    }
    xAxis.setTimeline(segmentedTimeline);
    xAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
    //xAxis.setVerticalTickLabels(true);
    xAxis.setDateFormatOverride(new SimpleDateFormat("MM-dd"));
    xAxis.setAutoTickUnitSelection(false);
    xAxis.setAutoRange(false);

    StandardXYItemRenderer renderer1 = new StandardXYItemRenderer();
    renderer1.setSeriesPaint(0, Color.BLUE);
    TimeSeries movingAverage5 = MovingAverage.createMovingAverage(series, "MA(5)", 30, 0);
    Double currMA5 = (Double) movingAverage5.getDataItem(movingAverage5.getItemCount() - 1).getValue();
    currMA5 = Math.round(currMA5 * 100.0) / 100.0;
    movingAverage5.setKey("MA(5): " + currMA5);
    TimeSeriesCollection collection = new TimeSeriesCollection();
    collection.addSeries(movingAverage5);
    plot.setDataset(1, collection);
    plot.setRenderer(1, renderer1);

    plot.setBackgroundPaint(Color.WHITE);

    chartPanel = new ChartPanel(chart);
    chart.setBackgroundPaint(chartPanel.getBackground());
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.lightGray);
    chartPanel.setVisible(true);
    chartPanel.revalidate();
    chartPanel.repaint();
}

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From source file:net.sourceforge.openforecast.examples.ExponentialSmoothingChartDemo.java

/**
 * A helper function to convert data points (from startIndex to
 * endIndex) of a (JFreeChart) TimeSeries object into an
 * OpenForecast DataSet./*  w  w  w.j  a  v  a2  s .c  o  m*/
 * @param series the series of data points stored as a JFreeChart
 * TimeSeries object.
 * @param startIndex the index of the first data point required from the
 * series.
 * @param endIndex the index of the last data point required from the
 * series.
 * @return an OpenForecast DataSet representing the data points extracted
 * from the TimeSeries.
 */
private DataSet getDataSet(TimeSeries series, int startIndex, int endIndex) {
    DataSet dataSet = new DataSet();
    if (endIndex > series.getItemCount())
        endIndex = series.getItemCount();

    for (int i = startIndex; i < endIndex; i++) {
        TimeSeriesDataItem dataPair = series.getDataItem(i);
        DataPoint dp = new Observation(dataPair.getValue().doubleValue());
        dp.setIndependentValue("t", i);
        dataSet.add(dp);
    }

    return dataSet;
}

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From source file:org.jfree.data.time.MovingAverageTest.java

/**
 * A test for the values calculated from a time series.
 *///from  w  w w . j a  v  a  2 s .c  o m
@Test
public void test1() {
    TimeSeries source = createDailyTimeSeries1();
    TimeSeries maverage = MovingAverage.createMovingAverage(source, "Moving Average", 3, 3);

    // the moving average series has 7 items, the first three
    // days (11, 12, 13 August are skipped)
    assertEquals(7, maverage.getItemCount());
    double value = maverage.getValue(0).doubleValue();
    assertEquals(14.1, value, EPSILON);
    value = maverage.getValue(1).doubleValue();
    assertEquals(13.4, value, EPSILON);
    value = maverage.getValue(2).doubleValue();
    assertEquals(14.433333333333, value, EPSILON);
    value = maverage.getValue(3).doubleValue();
    assertEquals(14.933333333333, value, EPSILON);
    value = maverage.getValue(4).doubleValue();
    assertEquals(19.8, value, EPSILON);
    value = maverage.getValue(5).doubleValue();
    assertEquals(15.25, value, EPSILON);
    value = maverage.getValue(6).doubleValue();
    assertEquals(12.5, value, EPSILON);
}

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From source file:com.charts.FiveYearChart.java

public FiveYearChart(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);//from w  w w. ja  v a  2s  . 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();
}

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From source file:com.charts.MaxChart.java

public MaxChart(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);/*from   www.j  a  v  a2s  .  co  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();
}

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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  ww. j av a 2  s  .  c  om
    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();
}

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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);//from   www .java  2 s  .  co 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();
}

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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(/*from w w  w  . j  a  va 2s .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();
}

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From source file:org.jfree.data.time.junit.MovingAverageTest.java

/**
 * A test for the values calculated from a time series.
 *///w ww.ja v a 2s . c  o  m
public void test1() {
    TimeSeries source = createDailyTimeSeries1();
    TimeSeries maverage = MovingAverage.createMovingAverage(source, "Moving Average", 3, 3);

    // the moving average series has 7 items, the first three
    // days (11, 12, 13 August are skipped)
    assertEquals(7, maverage.getItemCount());
    double value = maverage.getValue(0).doubleValue();
    assertEquals(14.1, value, EPSILON);
    value = maverage.getValue(1).doubleValue();
    assertEquals(13.4, value, EPSILON);
    value = maverage.getValue(2).doubleValue();
    assertEquals(14.433333333333, value, EPSILON);
    value = maverage.getValue(3).doubleValue();
    assertEquals(14.933333333333, value, EPSILON);
    value = maverage.getValue(4).doubleValue();
    assertEquals(19.8, value, EPSILON);
    value = maverage.getValue(5).doubleValue();
    assertEquals(15.25, value, EPSILON);
    value = maverage.getValue(6).doubleValue();
    assertEquals(12.5, value, EPSILON);
}

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