Examples of org.jfree.chart.axis.DateAxis

org.jfree.chart.axis.DateAxis
The base class for axes that display dates. You will find it easier to understand how this axis works if you bear in mind that it really displays/measures integer (or long) data, where the integers are milliseconds since midnight, 1-Jan-1970. When displaying tick labels, the millisecond values are converted back to dates using a DateFormat instance.
You can also create a {@link org.jfree.chart.axis.Timeline} and supply inthe constructor to create an axis that only contains certain domain values. For example, this allows you to create a date axis that only contains working days.

                                            WindDataset dataset,
                                            boolean legend,
                                            boolean tooltips,
                                            boolean urls) {


        ValueAxis xAxis = new DateAxis(xAxisLabel);
        ValueAxis yAxis = new NumberAxis(yAxisLabel);
        yAxis.setRange(-12.0, 12.0);


        WindItemRenderer renderer = new WindItemRenderer();
        if (tooltips) {

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            ProcessUtil process, List<String> phases, GapSkipTracker gaps) {
        JFreeChart result = ChartFactory.createXYBarChart(null, null, true,
            null, dataset, PlotOrientation.VERTICAL, false, true, false);


        XYPlot xyplot = (XYPlot) result.getPlot();
        DateAxis dateAxis = new DateAxis(null);
        dateAxis.setTickMarksVisible(false);
        dateAxis.setTickLabelsVisible(false);
        dateAxis.setLowerMargin(0.01);
        dateAxis.setUpperMargin(0.01);
        setupGaps(gaps, dateAxis, xyplot);
        xyplot.setDomainAxis(dateAxis);


        String[] phaseNameList = new String[phases.size()];
        for (int i = 0;  i < phaseNameList.length;  i++)

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        yAxis.setTickLabelsVisible(false);
        yAxis.setTickMarksVisible(false);
        yAxis.setUpperMargin(0);


        // use a Date-based X-axis
        DateAxis xAxis = new DateAxis();


        // create an XY plot to display the data
        XYPlot plot = new XYPlot(chartData, xAxis, yAxis, renderer);
        plot.setOrientation(PlotOrientation.VERTICAL);
        plot.setRangeGridlinesVisible(false);

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  private JFreeChart createTimeChart(ReportChart reportChart, ChartValue[] values, boolean displayInline)
  {
    XYDataset dataset = createTimeDataset(values);
    
    ValueAxis timeAxis = new DateAxis(reportChart.getXAxisLabel());
      NumberAxis valueAxis = new NumberAxis(reportChart.getYAxisLabel());      
     
      XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
        renderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());

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  {
    JFreeChart chart = null;
    
    XYDataset dataset = createTimeDataset(values);
        
    ValueAxis timeAxis = new DateAxis(reportChart.getXAxisLabel());
    NumberAxis valueAxis = new NumberAxis(reportChart.getYAxisLabel());
    
    XYItemRenderer renderer = new XYBarRenderer();
    renderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());

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  private JFreeChart createStackedTimeBarChart(ReportChart reportChart, ChartValue[] values, boolean displayInline)
  {
    XYDataset dataset = createTimeDataset(values);
    
    ValueAxis timeAxis = new DateAxis(reportChart.getXAxisLabel());
    NumberAxis valueAxis = new NumberAxis(reportChart.getYAxisLabel());
    
    XYItemRenderer renderer = new StackedXYBarRenderer();
    renderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());

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  private JFreeChart createTimeAreaChart(ReportChart reportChart, ChartValue[] values, boolean displayInline)
  {
    XYDataset dataset = createTimeDataset(values);
    
    ValueAxis timeAxis = new DateAxis(reportChart.getXAxisLabel());
      NumberAxis valueAxis = new NumberAxis(reportChart.getYAxisLabel());
      
      XYAreaRenderer renderer = new XYAreaRenderer();
        renderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());

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            renderer.setShapesFilled(true);
        }




        // Set date axis style
        DateAxis axis = (DateAxis) plot.getDomainAxis();


        String formatString = "MM-dd HH";
        DateTickUnitType dtut = DateTickUnitType.HOUR;


        if (jComboGranularity.getSelectedItem().equals("Year")) {
            formatString = "yyyy";
            dtut = DateTickUnitType.YEAR;
        } else if (jComboGranularity.getSelectedItem().equals("Month")) {
            axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM"));
            dtut = DateTickUnitType.MONTH;
        } else if (jComboGranularity.getSelectedItem().equals("Day")) {
            axis.setDateFormatOverride(new SimpleDateFormat("MM-dd"));
            dtut = DateTickUnitType.DAY;
        } else if (jComboGranularity.getSelectedItem().equals("Minute")) {
            formatString = "MM-dd HH:mm";
            dtut = DateTickUnitType.MINUTE;
        } else if (jComboGranularity.getSelectedItem().equals("Second")) {
            formatString = "HH:mm:SS";
            dtut = DateTickUnitType.SECOND;
        }


        DateFormat formatter = new SimpleDateFormat(formatString);
        DateTickUnit unit = new DateTickUnit(dtut, 1, formatter);
        axis.setTickUnit(unit);


        ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(800, 500));
        graphPanel.removeAll();
        graphPanel.add(chartPanel);

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      case COMBINED_XY :
        final int layoutConst = getLayoutConstant(layout);
        Plot plot = null;
        switch (layoutConst) {
          case DOMAIN :
            ValueAxis domainAxis = new DateAxis(xAxisLabel);
            plot = new CombinedDomainXYPlot(domainAxis);
            for (int i = 0; i < plotDefinitions.size(); i++) {
              PlotDefinition pd = (PlotDefinition) plotDefinitions.get(i);
              check(pd.getDataset(), XYDataset.class, chartType);
              XYPlot temp = (XYPlot) pd.getPlot(chartTypeConst);
              NumberAxis na  = new NumberAxis(pd.getYaxislabel());
        if (pd.isYaxisinteger())
          na.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
              temp.setRangeAxis(na);
              ((CombinedDomainXYPlot) plot).add(temp);
            }
            return new JFreeChart(title, new Font("SansSerif", Font.BOLD, 18), plot, showLegend);
          case RANGE :
            ValueAxis rangeAxis = new NumberAxis(yAxisLabel);
            plot = new CombinedRangeXYPlot(rangeAxis);
      boolean allInteger = true;
            for (int i = 0; i < plotDefinitions.size(); i++) {
              PlotDefinition pd = (PlotDefinition) plotDefinitions.get(i);
        if (! pd.isYaxisinteger())
          allInteger = false;
              check(pd.getDataset(), XYDataset.class, chartType);
              XYPlot temp = (XYPlot) pd.getPlot(chartTypeConst);
              temp.setDomainAxis(new DateAxis(pd.getXaxislabel()));
              ((CombinedRangeXYPlot) plot).add(temp);
            }
      if (allInteger)
        ((NumberAxis) rangeAxis).setStandardTickUnits(NumberAxis.createIntegerTickUnits());
            return new JFreeChart(title, new Font("SansSerif", Font.BOLD, 18), plot, showLegend);

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    }
    
  public Axis createAxis(int orientation, int type, String label) {
    switch (type) {
      case AXIS_TYPE_DATE :
        return new DateAxis(label);
      case AXIS_TYPE_NUMBER :
        return new NumberAxis(label);
      case AXIS_TYPE_CATEGORY://added by lrh 2005-07-11
              return new CategoryAxis(label);
      default:

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