Java DateAxis.setVerticalTickLabels方法代码示例

import org.jfree.chart.axis.DateAxis; //导入方法依赖的package包/类
@Override
protected void updatePlotter() {
	int categoryCount = prepareData();
	String maxClassesProperty = ParameterService
			.getParameterValue(MainFrame.PROPERTY_RAPIDMINER_GUI_PLOTTER_COLORS_CLASSLIMIT);
	int maxClasses = 20;
	try {
		if (maxClassesProperty != null) {
			maxClasses = Integer.parseInt(maxClassesProperty);
		}
	} catch (NumberFormatException e) {
		// LogService.getGlobal().log("Series plotter: cannot parse property 'rapidminer.gui.plotter.colors.classlimit', using maximal 20 different classes.",
		// LogService.WARNING);
		LogService.getRoot().log(Level.WARNING,
				"com.rapidminer.gui.plotter.charts.SeriesChartPlotter.parsing_property_error");
	}
	boolean createLegend = categoryCount > 0 && categoryCount < maxClasses;

	JFreeChart chart = createChart(this.dataset, createLegend);

	// set the background color for the chart...
	chart.setBackgroundPaint(Color.white);

	// domain axis
	if (axis[INDEX] >= 0) {
		if (!dataTable.isNominal(axis[INDEX])) {
			if (dataTable.isDate(axis[INDEX]) || dataTable.isDateTime(axis[INDEX])) {
				DateAxis domainAxis = new DateAxis(dataTable.getColumnName(axis[INDEX]));
				domainAxis.setTimeZone(Tools.getPreferredTimeZone());
				chart.getXYPlot().setDomainAxis(domainAxis);
				if (getRangeForDimension(axis[INDEX]) != null) {
					domainAxis.setRange(getRangeForDimension(axis[INDEX]));
				}
				domainAxis.setLabelFont(LABEL_FONT_BOLD);
				domainAxis.setTickLabelFont(LABEL_FONT);
				domainAxis.setVerticalTickLabels(isLabelRotating());
			}
		} else {
			LinkedHashSet<String> values = new LinkedHashSet<String>();
			for (DataTableRow row : dataTable) {
				String stringValue = dataTable.mapIndex(axis[INDEX], (int) row.getValue(axis[INDEX]));
				if (stringValue.length() > 40) {
					stringValue = stringValue.substring(0, 40);
				}
				values.add(stringValue);
			}
			ValueAxis categoryAxis = new SymbolAxis(dataTable.getColumnName(axis[INDEX]),
					values.toArray(new String[values.size()]));
			categoryAxis.setLabelFont(LABEL_FONT_BOLD);
			categoryAxis.setTickLabelFont(LABEL_FONT);
			categoryAxis.setVerticalTickLabels(isLabelRotating());
			chart.getXYPlot().setDomainAxis(categoryAxis);
		}
	}

	// legend settings
	LegendTitle legend = chart.getLegend();
	if (legend != null) {
		legend.setPosition(RectangleEdge.TOP);
		legend.setFrame(BlockBorder.NONE);
		legend.setHorizontalAlignment(HorizontalAlignment.LEFT);
		legend.setItemFont(LABEL_FONT);
	}

	AbstractChartPanel panel = getPlotterPanel();
	if (panel == null) {
		panel = createPanel(chart);
	} else {
		panel.setChart(chart);
	}

	// ATTENTION: WITHOUT THIS WE GET SEVERE MEMORY LEAKS!!!
	panel.getChartRenderingInfo().setEntityCollection(null);
}
 

import org.jfree.chart.axis.DateAxis; //导入方法依赖的package包/类
private byte[] createWeeklyLoginChart (int width, int height)
{
	IntervalXYDataset dataset1 = getWeeklyLoginsDataSet ();
       IntervalXYDataset dataset2 = getWeeklySiteUserDataSet ();
	
	if ((dataset1 == null) || (dataset2 == null)) {
		return generateNoDataChart(width, height);
	}
	
       // create plot ...
       XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
       renderer1.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
       renderer1.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
	renderer1.setSeriesPaint(0, Color.RED);
	renderer1.setSeriesPaint(0, Color.BLUE);
       
       DateAxis domainAxis = new DateAxis("");
       domainAxis.setTickUnit (new DateTickUnit (DateTickUnit.DAY, 7, new SimpleDateFormat ("yyyy-MM-dd")));
       domainAxis.setTickMarkPosition (DateTickMarkPosition.START);
       domainAxis.setVerticalTickLabels (true);
	domainAxis.setLowerMargin (0.01);
	domainAxis.setUpperMargin (0.01);
       
       NumberAxis rangeAxis = new NumberAxis("count");
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
	
       XYPlot plot1 = new XYPlot(dataset1, null, rangeAxis, renderer1);
       plot1.setBackgroundPaint(Color.lightGray);
       plot1.setDomainGridlinePaint(Color.white);
       plot1.setRangeGridlinePaint(Color.white);
       
       // add a second dataset and renderer...
       XYItemRenderer renderer2 = new XYLineAndShapeRenderer(true, false);
       renderer2.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
       renderer2.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
       renderer2.setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
       renderer2.setSeriesPaint(0, Color.GREEN);
       renderer2.setSeriesPaint(1, Color.BLACK);
       renderer2.setSeriesPaint(2, Color.CYAN);
       
       rangeAxis = new NumberAxis("count");
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());

	XYPlot plot2 = new XYPlot(dataset2, null, rangeAxis, renderer2);
       plot2.setBackgroundPaint(Color.lightGray);
       plot2.setDomainGridlinePaint(Color.white);
       plot2.setRangeGridlinePaint(Color.white);
       
       CombinedDomainXYPlot cplot = new CombinedDomainXYPlot(domainAxis);
       cplot.add(plot1, 3);
       cplot.add(plot2, 2);
       cplot.setGap(8.0);
       cplot.setDomainGridlinePaint(Color.white);
       cplot.setDomainGridlinesVisible(true);

       // return a new chart containing the overlaid plot...
       JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, cplot, false);
       LegendTitle legend = new LegendTitle(cplot);
       chart.addSubtitle(legend);		
	
	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}
 

import org.jfree.chart.axis.DateAxis; //导入方法依赖的package包/类
/**
 * Creates a chart containing the current/baseline data (in that order) as well as markers for
 * each anomaly interval. timeGranularity and windowMillis are used to determine the date format
 * and spacing for tick marks on the domain (x) axis.
 */
public JFreeChart createChart(final XYDataset dataset, final String metric,
    final TimeGranularity timeGranularity, final long windowMillis,
    final Map<RawAnomalyResultDTO, String> anomaliesWithLabels) {

  // create the chart...
  final JFreeChart chart = ChartFactory.createTimeSeriesChart(null, // no chart title for email
                                                                    // image
      "Date (" + DEFAULT_TIME_ZONE.getID() + ")", // x axis label
      metric, // y axis label
      dataset, // data
      true, // include legend
      false, // tooltips - n/a if the chart will be saved as an img
      false // urls - n/a if the chart will be saved as an img
  );

  // get a reference to the plot for further customisation...
  final XYPlot plot = chart.getXYPlot();
  plot.setBackgroundPaint(Color.white);
  plot.setDomainGridlinesVisible(false);
  plot.setRangeGridlinesVisible(false);

  // dashboard webapp currently uses solid blue for current and dashed blue for baseline
  // (5/2/2016)
  final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
  renderer.setSeriesShapesVisible(0, false);
  renderer.setSeriesShapesVisible(1, false);
  renderer.setSeriesPaint(0, Color.BLUE);
  renderer.setSeriesPaint(1, Color.BLUE);
  // http://www.java2s.com/Code/Java/Chart/JFreeChartLineChartDemo5showingtheuseofacustomdrawingsupplier.htm
  // set baseline to be dashed
  renderer.setSeriesStroke(1,
      new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] {
          2.0f, 6.0f
      }, 0.0f));
  plot.setRenderer(renderer);

  DateAxis axis = (DateAxis) plot.getDomainAxis();
  DateTickUnit dateTickUnit = getDateTickUnit(timeGranularity, windowMillis);
  SimpleDateFormat dateFormat = getDateFormat(timeGranularity);
  axis.setDateFormatOverride(dateFormat);
  axis.setTickUnit(dateTickUnit);
  axis.setVerticalTickLabels(true);

  List<Marker> anomalyIntervals = getAnomalyIntervals(anomaliesWithLabels);
  for (Marker marker : anomalyIntervals) {
    plot.addDomainMarker(marker);
  }

  return chart;

}
 

import org.jfree.chart.axis.DateAxis; //导入方法依赖的package包/类
@Override
protected void updatePlotter() {
    int categoryCount = prepareData();
    String maxClassesProperty = ParameterService.getParameterValue(MainFrame.PROPERTY_RAPIDMINER_GUI_PLOTTER_COLORS_CLASSLIMIT);
    int maxClasses = 20;
    try {
        if (maxClassesProperty != null)
            maxClasses = Integer.parseInt(maxClassesProperty);
    } catch (NumberFormatException e) {
        //LogService.getGlobal().log("Series plotter: cannot parse property 'rapidminer.gui.plotter.colors.classlimit', using maximal 20 different classes.", LogService.WARNING);
        LogService.getRoot().log(Level.WARNING, "com.rapidminer.gui.plotter.charts.SeriesChartPlotter.parsing_property_error");
    }
    boolean createLegend = categoryCount > 0 && categoryCount < maxClasses;

    JFreeChart chart = createChart(this.dataset, createLegend);

    // set the background color for the chart...
    chart.setBackgroundPaint(Color.white);

    // domain axis
    if (axis[INDEX] >= 0) {
        if (!dataTable.isNominal(axis[INDEX])) {
            if (dataTable.isDate(axis[INDEX]) || dataTable.isDateTime(axis[INDEX])) {
                DateAxis domainAxis = new DateAxis(dataTable.getColumnName(axis[INDEX]));
                domainAxis.setTimeZone(Tools.getPreferredTimeZone());
                chart.getXYPlot().setDomainAxis(domainAxis);
                if (getRangeForDimension(axis[INDEX]) != null)
                    domainAxis.setRange(getRangeForDimension(axis[INDEX]));
                domainAxis.setLabelFont(LABEL_FONT_BOLD);
                domainAxis.setTickLabelFont(LABEL_FONT);
                domainAxis.setVerticalTickLabels(isLabelRotating());
            }
        } else {
            LinkedHashSet<String> values = new LinkedHashSet<String>();
            for (DataTableRow row : dataTable) {
                String stringValue = dataTable.mapIndex(axis[INDEX], (int) row.getValue(axis[INDEX]));
                if (stringValue.length() > 40)
                    stringValue = stringValue.substring(0, 40);
                values.add(stringValue);
            }
            ValueAxis categoryAxis = new SymbolAxis(dataTable.getColumnName(axis[INDEX]), values.toArray(new String[values.size()]));
            categoryAxis.setLabelFont(LABEL_FONT_BOLD);
            categoryAxis.setTickLabelFont(LABEL_FONT);
            categoryAxis.setVerticalTickLabels(isLabelRotating());
            chart.getXYPlot().setDomainAxis(categoryAxis);
        }
    }

    // legend settings
    LegendTitle legend = chart.getLegend();
    if (legend != null) {
        legend.setPosition(RectangleEdge.TOP);
        legend.setFrame(BlockBorder.NONE);
        legend.setHorizontalAlignment(HorizontalAlignment.LEFT);
        legend.setItemFont(LABEL_FONT);
    }

    AbstractChartPanel panel = getPlotterPanel();
    if (panel == null) {
        panel = createPanel(chart);
    } else {
        panel.setChart(chart);
    }

    // ATTENTION: WITHOUT THIS WE GET SEVERE MEMORY LEAKS!!!
    panel.getChartRenderingInfo().setEntityCollection(null);
}