private static JFreeChart createChart(CategoryDataset categorydataset) {
   JFreeChart jfreechart =
       ChartFactory.createBarChart(
           "Bar Chart Demo 1",
           "Category",
           "Value",
           categorydataset,
           PlotOrientation.VERTICAL,
           true,
           true,
           false);
   CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
   categoryplot.setDomainGridlinesVisible(true);
   categoryplot.setRangeCrosshairVisible(true);
   categoryplot.setRangeCrosshairPaint(Color.blue);
   NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
   numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
   BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
   barrenderer.setDrawBarOutline(false);
   GradientPaint gradientpaint =
       new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(0, 0, 64));
   GradientPaint gradientpaint1 =
       new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F, new Color(0, 64, 0));
   GradientPaint gradientpaint2 =
       new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(64, 0, 0));
   barrenderer.setSeriesPaint(0, gradientpaint);
   barrenderer.setSeriesPaint(1, gradientpaint1);
   barrenderer.setSeriesPaint(2, gradientpaint2);
   barrenderer.setLegendItemToolTipGenerator(
       new StandardCategorySeriesLabelGenerator("Tooltip: {0}"));
   CategoryAxis categoryaxis = categoryplot.getDomainAxis();
   categoryaxis.setCategoryLabelPositions(
       CategoryLabelPositions.createUpRotationLabelPositions(0.52359877559829882D));
   return jfreechart;
 }
 private static JFreeChart createChart(TableXYDataset tablexydataset) {
   DateAxis dateaxis = new DateAxis("Date");
   dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
   dateaxis.setLowerMargin(0.01D);
   dateaxis.setUpperMargin(0.01D);
   NumberAxis numberaxis = new NumberAxis("Count");
   numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
   numberaxis.setUpperMargin(0.10000000000000001D);
   StackedXYBarRenderer stackedxybarrenderer = new StackedXYBarRenderer(0.14999999999999999D);
   stackedxybarrenderer.setDrawBarOutline(false);
   stackedxybarrenderer.setBaseItemLabelsVisible(true);
   stackedxybarrenderer.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
   stackedxybarrenderer.setBasePositiveItemLabelPosition(
       new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BOTTOM_CENTER));
   stackedxybarrenderer.setBaseToolTipGenerator(
       new StandardXYToolTipGenerator(
           "{0} : {1} = {2}", new SimpleDateFormat("yyyy"), new DecimalFormat("0")));
   XYPlot xyplot = new XYPlot(tablexydataset, dateaxis, numberaxis, stackedxybarrenderer);
   JFreeChart jfreechart = new JFreeChart("Holes-In-One / Double Eagles", xyplot);
   jfreechart.removeLegend();
   jfreechart.addSubtitle(new TextTitle("PGA Tour, 1983 to 2003"));
   TextTitle texttitle =
       new TextTitle(
           "http://www.golfdigest.com/majors/masters/index.ssf?/majors/masters/gw20040402albatross.html",
           new Font("Dialog", 0, 8));
   jfreechart.addSubtitle(texttitle);
   jfreechart.setTextAntiAlias(RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT);
   LegendTitle legendtitle = new LegendTitle(xyplot);
   legendtitle.setBackgroundPaint(Color.white);
   legendtitle.setFrame(new BlockBorder());
   legendtitle.setPosition(RectangleEdge.BOTTOM);
   jfreechart.addSubtitle(legendtitle);
   return jfreechart;
 }
  /**
   * temporal helper function
   *
   * @param dataset
   * @return
   */
  private JFreeChart createChart(TimeSeriesCollection dataset) {

    NumberAxis axis = new NumberAxis(null);
    axis.setAutoRangeIncludesZero(false);

    // parent=new CombinedRangeXYPlot(axis);

    // chart = null;

    // XYPlot plot2=new XYPlot(dataset2, new DateAxis(null), null, new StandardXYItemRenderer());
    // XYPlot subplot2=new XYPldt(dataset2, new DateAxis("Date 2"), null, )

    // parent.add(subplot1);
    // parent.add(subplot2);

    // chart=new JFreeChart(null, null, parent, false);

    chart = ChartFactory.createTimeSeriesChart(null, "", "", dataset, false, false, false);

    XYPlot plot1 = chart.getXYPlot();

    plot1.setDataset(dataset);
    plot1.setRenderer(new StandardXYItemRenderer());

    plot1.setSecondaryDataset(0, hld);
    CandlestickRenderer c1 = new CandlestickRenderer();

    // c1.setAutoWidthFactor(1.0);
    // c1.setAutoWidthGap(0.1);
    c1.setBasePaint(new Color(255, 255, 255));
    c1.setBaseOutlinePaint(new Color(255, 255, 255));

    c1.setPaint(new Color(255, 255, 255));

    c1.setUpPaint(new Color(255, 0, 0, 80));
    c1.setDownPaint(new Color(0, 255, 0, 80));

    plot1.setSecondaryRenderer(0, c1);

    // plot1.setSecondaryDataset(0, dataset2);

    XYDotRenderer xd1 = new XYDotRenderer();
    // plot1.setSecondaryRenderer(0, new AreaXYRenderer(AreaXYRenderer.AREA_AND_SHAPES));
    // plot1.setSecondaryRenderer(0, xd1);

    // chart=new JFreeChart("", null, plot1, false);

    chart.setBackgroundPaint(new Color(0, 0, 0));

    return chart;
  }
    public MyDemoPanel() {
      super(new BorderLayout());
      lastValue = new double[3];
      CombinedDomainXYPlot combineddomainxyplot = new CombinedDomainXYPlot(new DateAxis("Time"));
      datasets = new TimeSeriesCollection[3];
      for (int i = 0; i < 3; i++) {
        lastValue[i] = 100D;
        TimeSeries timeseries = new TimeSeries("Random " + i);
        datasets[i] = new TimeSeriesCollection(timeseries);
        NumberAxis numberaxis = new NumberAxis("Y" + i);
        numberaxis.setAutoRangeIncludesZero(false);
        XYPlot xyplot = new XYPlot(datasets[i], null, numberaxis, new StandardXYItemRenderer());
        xyplot.setBackgroundPaint(Color.lightGray);
        xyplot.setDomainGridlinePaint(Color.white);
        xyplot.setRangeGridlinePaint(Color.white);
        combineddomainxyplot.add(xyplot);
      }

      JFreeChart jfreechart = new JFreeChart("Dynamic Data Demo 3", combineddomainxyplot);
      addChart(jfreechart);
      LegendTitle legendtitle = (LegendTitle) jfreechart.getSubtitle(0);
      legendtitle.setPosition(RectangleEdge.RIGHT);
      legendtitle.setMargin(new RectangleInsets(UnitType.ABSOLUTE, 0.0D, 4D, 0.0D, 4D));
      jfreechart.setBorderPaint(Color.black);
      jfreechart.setBorderVisible(true);
      ValueAxis valueaxis = combineddomainxyplot.getDomainAxis();
      valueaxis.setAutoRange(true);
      valueaxis.setFixedAutoRange(20000D);
      ChartUtilities.applyCurrentTheme(jfreechart);
      ChartPanel chartpanel = new ChartPanel(jfreechart);
      add(chartpanel);
      JPanel jpanel = new JPanel(new FlowLayout());
      for (int j = 0; j < 3; j++) {
        JButton jbutton1 = new JButton("Series " + j);
        jbutton1.setActionCommand("ADD_DATA_" + j);
        jbutton1.addActionListener(this);
        jpanel.add(jbutton1);
      }

      JButton jbutton = new JButton("ALL");
      jbutton.setActionCommand("ADD_ALL");
      jbutton.addActionListener(this);
      jpanel.add(jbutton);
      add(jpanel, "South");
      chartpanel.setPreferredSize(new Dimension(500, 470));
      chartpanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
    }
Exemple #5
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  /**
   * Create the charts
   *
   * @throws RemoteException On badness
   * @throws VisADException On badness
   */
  public void loadData() throws VisADException, RemoteException {
    createChart();
    List dataChoiceWrappers = getDataChoiceWrappers();
    try {
      for (int dataSetIdx = 0; dataSetIdx < plot.getDatasetCount(); dataSetIdx++) {
        MyHistogramDataset dataset = (MyHistogramDataset) plot.getDataset(dataSetIdx);
        dataset.removeAllSeries();
      }

      //            dataset.removeAllSeries();
      Hashtable props = new Hashtable();
      props.put(TrackDataSource.PROP_TRACKTYPE, TrackDataSource.ID_TIMETRACE);

      for (int paramIdx = 0; paramIdx < dataChoiceWrappers.size(); paramIdx++) {
        DataChoiceWrapper wrapper = (DataChoiceWrapper) dataChoiceWrappers.get(paramIdx);

        DataChoice dataChoice = wrapper.getDataChoice();
        FlatField data = getFlatField((FieldImpl) dataChoice.getData(null, props));
        Unit unit = ucar.visad.Util.getDefaultRangeUnits((FlatField) data)[0];
        double[][] samples = data.getValues(false);
        double[] actualValues = filterData(samples[0], getTimeValues(samples, data))[0];
        NumberAxis domainAxis = new NumberAxis(wrapper.getLabel(unit));

        XYItemRenderer renderer;
        if (stacked) {
          renderer = new StackedXYBarRenderer();
        } else {
          renderer = new XYBarRenderer();
        }
        plot.setRenderer(paramIdx, renderer);
        Color c = wrapper.getColor(paramIdx);
        domainAxis.setLabelPaint(c);
        renderer.setSeriesPaint(0, c);

        MyHistogramDataset dataset = new MyHistogramDataset();
        dataset.setType(HistogramType.FREQUENCY);
        dataset.addSeries(dataChoice.getName() + " [" + unit + "]", actualValues, bins);
        plot.setDomainAxis(paramIdx, domainAxis, false);
        plot.mapDatasetToDomainAxis(paramIdx, paramIdx);
        plot.setDataset(paramIdx, dataset);
      }

    } catch (Exception exc) {
      LogUtil.logException("Error creating data set", exc);
      return;
    }
  }
  public String generateXYAreaChart(
      HttpSession session, PrintWriter pw, String courseId, int studentId) {
    String filename = null;
    /* int groupId=0;
    if (groupName.equals("All")){
        groupId=0;
    }else{
         groupId = studStatisticBean.getGroupIdByName(groupName);
    }*/

    try {
      //  Retrieve list of WebHits for each section and populate a TableXYDataset
      StudentsConceptChartDataSet cDataSet =
          new StudentsConceptChartDataSet(studStatisticBean, courseId, studentId);
      // cDataSet.setStudentStatisticBeanIdRef(studStatisticBean);
      ArrayList sections = cDataSet.getSections();
      Iterator sectionIter = sections.iterator();
      DefaultTableXYDataset dataset = new DefaultTableXYDataset();
      while (sectionIter.hasNext()) {
        String section = (String) sectionIter.next();
        ArrayList list = cDataSet.getDataByHitConcept(section);
        XYSeries dataSeries = new XYSeries(section, true, false);
        Iterator webHitIter = list.iterator();
        while (webHitIter.hasNext()) {
          StudentsConceptHit cHit = (StudentsConceptHit) webHitIter.next();
          dataSeries.add(cHit.getOrdNumb(), cHit.getHitDegree());
        }
        dataset.addSeries(dataSeries);
      }

      //  Throw a custom NoDataException if there is no data
      if (dataset.getItemCount() == 0) {
        System.out.println("No data has been found");
        throw new NoDataException();
      }

      //  Create tooltip and URL generators
      SimpleDateFormat sdf = new SimpleDateFormat("dd-MMM-yyyy", Locale.UK);
      StandardXYToolTipGenerator ttg =
          new StandardXYToolTipGenerator(
              StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, sdf, NumberFormat.getInstance());
      TimeSeriesURLGenerator urlg =
          new TimeSeriesURLGenerator(sdf, "bar_chart.jsp", "series", "hitDate");

      //  Create the X-Axis
      DateAxis xAxis = new DateAxis(null);
      xAxis.setLowerMargin(0.0);
      xAxis.setUpperMargin(0.0);

      //  Create the X-Axis
      NumberAxis yAxis = new NumberAxis(null);
      yAxis.setAutoRangeIncludesZero(true);

      //  Create the renderer
      StackedXYAreaRenderer renderer =
          new StackedXYAreaRenderer(XYAreaRenderer.AREA_AND_SHAPES, ttg, urlg);
      renderer.setSeriesPaint(0, new Color(255, 255, 180));
      renderer.setSeriesPaint(1, new Color(206, 230, 255));
      renderer.setSeriesPaint(2, new Color(255, 230, 230));
      renderer.setSeriesPaint(3, new Color(206, 255, 206));
      renderer.setShapePaint(Color.gray);
      renderer.setShapeStroke(new BasicStroke(0.5f));
      renderer.setShape(new Ellipse2D.Double(-3, -3, 6, 6));
      renderer.setOutline(true);

      //  Create the plot
      XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
      plot.setForegroundAlpha(0.65f);

      //  Reconfigure Y-Axis so the auto-range knows that the data is stacked
      yAxis.configure();

      //  Create the chart
      JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
      chart.setBackgroundPaint(java.awt.Color.white);

      //  Write the chart image to the temporary directory
      ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
      filename = ServletUtilities.saveChartAsPNG(chart, 600, 400, info, session);

      //  Write the image map to the PrintWriter
      ChartUtilities.writeImageMap(pw, filename, info);
      pw.flush();

    } catch (NoDataException e) {
      System.out.println(e.toString());
      filename = "public_nodata_500x300.png";
    } catch (Exception e) {
      System.out.println("Exception - " + e.toString());
      e.printStackTrace(System.out);
      filename = "public_error_500x300.png";
    }
    return filename;
  }
  public String generateXYChart(
      String section, HttpSession session, PrintWriter pw, String courseId, int studentId) {
    /*int groupId=0;
                if (groupName.equals("All")){
                    groupId=0;
                }else{
                     groupId = studStatisticBean.getGroupIdByName(groupName);
    }*/
    String filename = null;
    try {
      //  Retrieve list of WebHits
      StudentsConceptChartDataSet cDataSet =
          new StudentsConceptChartDataSet(studStatisticBean, courseId, studentId);
      ArrayList list = cDataSet.getDataByHitConcept(section);
      //  Throw a custom NoDataException if there is no data
      if (list.size() == 0) {
        System.out.println("No data has been found");
        throw new NoDataException();
      }
      //  Create and populate an XYSeries Collection
      XYSeries dataSeries = new XYSeries("Students progress line");
      Iterator iter = list.listIterator();
      while (iter.hasNext()) {
        StudentsConceptHit ch = (StudentsConceptHit) iter.next();
        dataSeries.add(ch.getOrdNumb(), ch.getHitDegree());
      }
      XYSeriesCollection xyDataset = new XYSeriesCollection(dataSeries);

      NumberFormat nf = NumberFormat.getIntegerInstance();
      NumberFormat nf2 = NumberFormat.getInstance();

      String cTitle = null;
      // StandardXYToolTipGenerator ttg = new
      // StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,nf,nf2);
      CustomXYToolTipGenerator ttg = new CustomXYToolTipGenerator();
      ttg.addToolTipSeries(cDataSet.getConceptNames());
      StandardXYURLGenerator sxyUrlGen =
          new StandardXYURLGenerator("#", xyDataset.getSeriesName(0), "PassedConceptOrdNum");

      ValueAxis ordNumAxis = new NumberAxis("Concept ordinal number");
      NumberAxis valueAxis = new NumberAxis("Current knowledge");
      // valueAxis.setAutoRangeIncludesZero(true);
      valueAxis.setRange(0.0, 6.0); // override default
      ordNumAxis.setAutoRange(true);
      ordNumAxis.setLowerMargin(0.0);

      StandardXYItemRenderer renderer =
          new StandardXYItemRenderer(
              StandardXYItemRenderer.LINES + StandardXYItemRenderer.SHAPES, ttg, sxyUrlGen);
      Marker marker = new ValueMarker(1.50); // /
      Marker marker2 = new ValueMarker(2.50);
      Marker marker3 = new ValueMarker(3.50);
      Marker marker4 = new ValueMarker(4.50);
      Marker marker5 = new ValueMarker(5.00);

      renderer.setShapesFilled(true);
      XYPlot plot = new XYPlot(xyDataset, ordNumAxis, valueAxis, renderer);

      plot.addRangeMarker(marker);
      plot.addRangeMarker(marker2);
      plot.addRangeMarker(marker3);
      plot.addRangeMarker(marker4);
      plot.addRangeMarker(marker5);

      XYTextAnnotation xyBad = new XYTextAnnotation("Bad", 1, 1);
      xyBad.setX(0.2);
      xyBad.setY(0.75);
      XYTextAnnotation xyNotBad = new XYTextAnnotation("Not Bad", 1, 1);
      xyNotBad.setX(0.2);
      xyNotBad.setY(2);
      XYTextAnnotation xyGood = new XYTextAnnotation("Good", 1, 1);
      xyGood.setX(0.2);
      xyGood.setY(3);
      XYTextAnnotation xyVeryGood = new XYTextAnnotation("Very Good", 1, 1);
      xyVeryGood.setX(0.2);
      xyVeryGood.setY(4);
      XYTextAnnotation xyExcellent = new XYTextAnnotation("Excellent", 1, 1);
      xyExcellent.setX(0.2);
      xyExcellent.setY(4.75);

      XYTextAnnotation xyExpert = new XYTextAnnotation("Expert", 1, 1);
      xyExpert.setX(0.2);
      xyExpert.setY(5.25);

      plot.addAnnotation(xyBad);
      plot.addAnnotation(xyNotBad);
      plot.addAnnotation(xyGood);
      plot.addAnnotation(xyVeryGood);
      plot.addAnnotation(xyExcellent);
      plot.addAnnotation(xyExpert);

      JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
      chart.setBackgroundPaint(java.awt.Color.white);

      //  Write the chart image to the temporary directory
      ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
      filename = ServletUtilities.saveChartAsPNG(chart, 600, 400, info, session);

      //  Write the image map to the PrintWriter
      ChartUtilities.writeImageMap(pw, filename, info);
      pw.flush();

    } catch (NoDataException e) {
      System.out.println(e.toString());
      filename = "public_nodata_500x300.png";
    } catch (Exception e) {
      System.out.println("Exception - " + e.toString());
      e.printStackTrace(System.out);
      filename = "public_error_500x300.png";
    }

    return filename;
  }