Exemplo n.º 1
0
  public static void main(String[] args) throws IOException {
    JFreeChart chart =
        ChartFactory.createBarChart3D(
            "图书销量统计图",
            "图书", // 目录轴的显示标签
            "销量", // 数值轴的显示标签
            getDataSet(),
            PlotOrientation.VERTICAL, // 设置图表方向
            false,
            false,
            false);

    // 设置标题
    chart.setTitle(new TextTitle("图书销量统计图", new Font("黑体", Font.ITALIC, 22)));
    // 设置图表部分
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    CategoryAxis categoryAxis = plot.getDomainAxis(); // 取得横轴
    categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 22)); // 设置横轴显示标签的字体
    categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 分类标签以45度倾斜
    categoryAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 18)); // 分类标签字体

    NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis(); // 取得纵轴
    numberAxis.setLabelFont(new Font("宋体", Font.BOLD, 42)); // 设置纵轴显示标签字体
    FileOutputStream fos = null;
    fos = new FileOutputStream("book1.jpg");
    ChartUtilities.writeChartAsJPEG(fos, 1, chart, 800, 600, null);

    fos.close();
  }
Exemplo n.º 2
0
  @Override
  public JFreeChart createChart(FacesContext context) {
    JFreeChart chart;

    if (!getIs3D()) {
      chart =
          ChartFactory.createBarChart(
              getTitle(),
              getDomainAxisLabel(),
              getRangeAxisLabel(),
              (CategoryDataset) dataset,
              plotOrientation(getOrientation()),
              getLegend(),
              false,
              false);
    } else {
      chart =
          ChartFactory.createBarChart3D(
              getTitle(),
              getDomainAxisLabel(),
              getRangeAxisLabel(),
              (CategoryDataset) dataset,
              plotOrientation(getOrientation()),
              getLegend(),
              false,
              false);
    }

    configureTitle(chart.getTitle());
    configureLegend(chart.getLegend());

    return chart;
  }
  /**
   * Erstellt ein Stabdiagramm aus den Parametern.
   *
   * @param dataset Datenset
   * @param titel Titel
   * @return {@link JFreeChart}
   */
  protected JFreeChart erstelleDiagramm(
      CategoryDataset dataset,
      String titel,
      String reihenBeschriftung,
      String spaltenBeschriftung) {
    // create the chart...
    JFreeChart chart =
        ChartFactory.createBarChart3D(
            titel,
            reihenBeschriftung,
            spaltenBeschriftung,
            dataset,
            PlotOrientation.VERTICAL,
            true,
            true,
            false);

    TextTitle t = chart.getTitle();
    t.setHorizontalAlignment(HorizontalAlignment.CENTER);
    t.setFont(new Font("Arial", Font.CENTER_BASELINE, 26));

    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    for (int i = 0; i < parteienListe.size(); i++) {
      if (parteienListe.get(i).getFarbe() != null) {
        GradientPaint gp =
            new GradientPaint(
                0.0f,
                0.0f,
                parteienListe.get(i).getFarbe(),
                0.0f,
                0.0f,
                new Color(parteienListe.get(i).getFarbe().getRGB()));
        renderer.setSeriesPaint(i, gp);
      }
    }

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
        CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    return chart;
  }
Exemplo n.º 4
0
  private JFreeChart createChart(CategoryDataset dataset) {

    JFreeChart chart =
        ChartFactory.createBarChart3D(
            "", // Título
            "Planejamento", // Label X
            "Valores", // Label Y
            dataset, // Dados
            PlotOrientation.VERTICAL, // Orientação
            true, // Legenda
            false, // Tooltips
            false // urls
            );

    chart.setBackgroundPaint(new Color(255, 255, 255));
    CategoryPlot plot = chart.getCategoryPlot();
    plot.setForegroundAlpha(0.6f);

    return chart;
  }
  /**
   * Create a horizontal bar chart with sample data in the range -3 to +3.
   *
   * @return the chart.
   */
  private static JFreeChart createBarChart3D() {

    // create a dataset...
    Number[][] data =
        new Integer[][] {
          {new Integer(-3), new Integer(-2)},
          {new Integer(-1), new Integer(1)},
          {new Integer(2), new Integer(3)}
        };

    CategoryDataset dataset = DatasetUtilities.createCategoryDataset("S", "C", data);

    // create the chart...
    return ChartFactory.createBarChart3D(
        "Bar Chart 3D",
        "Domain",
        "Range",
        dataset,
        PlotOrientation.HORIZONTAL,
        true, // include legend
        true,
        false);
  }
  public JFreeChart getChart() {
    JFreeChart chart = null;
    try {
      Font font = new Font("宋体", 0, 20); // 字体
      QuestionStatisticsModel qsm = ss.statistics(qid);
      DefaultPieDataset pieds = null; // 饼图的数据集
      DefaultCategoryDataset cateds = null; // 种类数据集

      if (chartType < 2) {
        pieds = new DefaultPieDataset();
        for (OptionStatisticsModel os : qsm.getOsms()) {
          pieds.setValue(os.getOptionLabel(), os.getCount());
        }
      } else {
        cateds = new DefaultCategoryDataset();
        for (OptionStatisticsModel os : qsm.getOsms()) {
          cateds.setValue(os.getCount(), os.getOptionLabel(), "");
        }
      }

      switch (chartType) {
        case CHARTTYPE_PIE_2D:
          chart =
              ChartFactory.createPieChart(qsm.getQuestion().getTitle(), pieds, true, false, false);
          break;
        case CHARTTYPE_PIE_3D:
          chart =
              ChartFactory.createPieChart3D(qsm.getQuestion().getTitle(), pieds, true, true, true);
          // 设置前景色透明度
          chart.getPlot().setForegroundAlpha(0.6f);
          break;
        case CHARTTYPE_BAR_2D_H: // 平面条形图
          chart =
              ChartFactory.createBarChart(
                  qsm.getQuestion().getTitle(),
                  "",
                  "",
                  cateds,
                  PlotOrientation.HORIZONTAL,
                  true,
                  true,
                  true);
          break;
        case CHARTTYPE_BAR_2D_V: // 平面条形图
          chart =
              ChartFactory.createBarChart(
                  qsm.getQuestion().getTitle(),
                  "",
                  "",
                  cateds,
                  PlotOrientation.VERTICAL,
                  true,
                  true,
                  true);
        case CHARTTYPE_BAR_3D_H: // 平面条形图
          chart =
              ChartFactory.createBarChart3D(
                  qsm.getQuestion().getTitle(),
                  "",
                  "",
                  cateds,
                  PlotOrientation.HORIZONTAL,
                  true,
                  true,
                  true);
        case CHARTTYPE_BAR_3D_V: // 平面条形图
          chart =
              ChartFactory.createBarChart3D(
                  qsm.getQuestion().getTitle(),
                  "",
                  "",
                  cateds,
                  PlotOrientation.VERTICAL,
                  true,
                  true,
                  true);
          break;
          //
        case CHARTTYPE_LINE_2D: // 平面条形图
          chart =
              ChartFactory.createLineChart(
                  qsm.getQuestion().getTitle(),
                  "",
                  "",
                  cateds,
                  PlotOrientation.VERTICAL,
                  true,
                  true,
                  true);
          break;
        case CHARTTYPE_LINE_3D: // 平面条形图
          chart =
              ChartFactory.createLineChart3D(
                  qsm.getQuestion().getTitle(),
                  "",
                  "",
                  cateds,
                  PlotOrientation.HORIZONTAL,
                  true,
                  true,
                  true);
          break;
      }

      chart.getTitle().setFont(font);
      chart.getLegend().setItemFont(font);

      // 设置饼图特效
      if (chart.getPlot() instanceof PiePlot) {
        PiePlot pieplot = (PiePlot) chart.getPlot();
        pieplot.setLabelFont(font);
        pieplot.setExplodePercent(0, 0.1);
        pieplot.setStartAngle(-15);
        pieplot.setDirection(Rotation.CLOCKWISE);
        pieplot.setNoDataMessage("No data to display");
        // pieplot.setForegroundAlpha(0.5f);
        // pieplot.setBackgroundImageAlpha(0.3f);
      }
      // 设置非饼图效果
      else {
        chart.getCategoryPlot().getRangeAxis().setLabelFont(font);
        chart.getCategoryPlot().getRangeAxis().setTickLabelFont(font);
        chart.getCategoryPlot().getDomainAxis().setLabelFont(font);
        chart.getCategoryPlot().getDomainAxis().setTickLabelFont(font);
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return chart;
  }
Exemplo n.º 7
0
  /** JFreeChartオブジェクトを作成する */
  private JFreeChart createChartObject(Document doc) {

    Element root = doc.getDocumentElement();
    Element chartInfo = (Element) root.getElementsByTagName("ChartInfo").item(0);
    String chartTitle =
        chartInfo.getElementsByTagName("Title").item(0).getFirstChild().getNodeValue();
    this.chartType = chartInfo.getElementsByTagName("Type").item(0).getFirstChild().getNodeValue();
    String categoryLabel =
        ((Element) chartInfo.getElementsByTagName("Category").item(0))
            .getElementsByTagName("Label")
            .item(0)
            .getFirstChild()
            .getNodeValue();

    Element firstSeries =
        (Element)
            ((Element) chartInfo.getElementsByTagName("SeriesList").item(0))
                .getElementsByTagName("Series")
                .item(0);
    String firstSeriesLabel =
        firstSeries.getElementsByTagName("Label").item(0).getFirstChild().getNodeValue();

    // データセットのリストを取得
    this.dataSetList = this.getDatasetList(doc);

    // 棒チャート(Series数に関わらない)
    if (this.chartType.equals("VerticalBar")
        || this.chartType.equals("HorizontalBar")
        || this.chartType.equals("VerticalMultiBar")
        || this.chartType.equals("HorizontalMultiBar")) {

      chart =
          ChartFactory.createBarChart(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              getLayoutFromDoc(doc),
              false,
              false,
              false);

    }

    // 3D棒チャート(Series数に関わらない)
    else if (this.chartType.equals("Vertical3D_Bar")
        || this.chartType.equals("Horizontal3D_Bar")
        || this.chartType.equals("VerticalMulti3D_Bar")
        || this.chartType.equals("HorizontalMulti3D_Bar")) {

      chart =
          ChartFactory.createBarChart3D(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              getLayoutFromDoc(doc),
              false,
              false,
              false);
    }

    // 積み上げ棒チャート
    else if ((this.chartType.equals("VerticalStackedBar"))
        || (this.chartType.equals("HorizontalStackedBar"))) {

      chart =
          ChartFactory.createStackedBarChart(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              getLayoutFromDoc(doc),
              false,
              false,
              false);

    }

    // 3D積み上げ棒チャート
    else if ((this.chartType.equals("VerticalStacked3D_Bar"))
        || (this.chartType.equals("HorizontalStacked3D_Bar"))) {

      chart =
          ChartFactory.createStackedBarChart3D(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              getLayoutFromDoc(doc),
              false,
              false,
              false);

    }

    // 折れ線チャート(Series数に関わらない)
    else if ((this.chartType.equals("Line")) || (this.chartType.equals("MultiLine"))) {

      chart =
          ChartFactory.createLineChart(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              PlotOrientation.VERTICAL,
              false,
              false,
              false);

    }

    // 面チャート(Series数に関わらない)
    else if ((this.chartType.equals("Area")) || (this.chartType.equals("MultiArea"))) {

      chart =
          ChartFactory.createAreaChart(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              PlotOrientation.VERTICAL,
              false,
              false,
              false);

    }

    // 積み上げ面チャート
    else if (this.chartType.equals("StackedArea")) {

      chart =
          ChartFactory.createStackedAreaChart(
              chartTitle,
              categoryLabel,
              firstSeriesLabel,
              (CategoryDataset) this.dataSetList.get(0),
              PlotOrientation.VERTICAL,
              false,
              false,
              false);

    }

    // 円チャート(Series数に関わらない)
    else if (this.chartType.equals("Pie")) {

      chart =
          ChartFactory.createPieChart(
              chartTitle, (PieDataset) this.dataSetList.get(0), false, false, false);

    }

    // 3D円チャート(Series数に関わらない)
    else if (this.chartType.equals("Pie_3D")) {

      chart =
          ChartFactory.createPieChart3D(
              chartTitle, (PieDataset) this.dataSetList.get(0), false, false, false);

    }

    // 複数円チャート(Series数が2以上)
    else if (this.chartType.equals("MultiPie")) {

      // 複数円チャート
      chart =
          ChartFactory.createMultiplePieChart(
              chartTitle,
              (CategoryDataset) this.dataSetList.get(0),
              TableOrder.BY_ROW,
              false,
              false,
              false);
    }

    return chart;
  }
  public JFreeChart getChart(CategoryDataset dataset) {
    // create the chart...
    final JFreeChart chart =
        ChartFactory.createBarChart3D(
            "Загрузка данных", // chart title
            "Дата", // domain axis label
            "Значение (кб.)", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
            );

    //		#44639C;

    TextTitle title = new TextTitle("Динамика загрузки данных", labelFont);
    //		Paint paint = title.getPaint();
    title.setPaint(new Color(68, 99, 156));
    chart.setTitle(title);

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

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

    // get a reference to the plot for further customisation...
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);

    // final IntervalMarker target = new IntervalMarker(2000000, 3000000);
    // target.setLabel("Ожидаемый диапазон");
    // target.setLabelFont(new Font("SansSerif", Font.ITALIC, 11));
    // target.setLabelAnchor(RectangleAnchor.LEFT);
    // target.setLabelTextAnchor(TextAnchor.CENTER_LEFT);
    // target.setPaint(new Color(222, 222, 255, 128));
    // plot.addRangeMarker(target, Layer.BACKGROUND);

    // set the range axis to display integers only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setTickLabelFont(labelFont);

    // disable bar outlines...
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    renderer.setItemMargin(0.10);

    // set up gradient paints for series...
    final GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.blue);
    final GradientPaint gp1 =
        new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, Color.lightGray);
    final GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, Color.lightGray);
    renderer.setSeriesPaint(0, gp0);
    renderer.setSeriesPaint(1, gp1);
    renderer.setSeriesPaint(2, gp2);

    final CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
        CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 4.0)
        // CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
        );
    // OPTIONAL CUSTOMISATION COMPLETED.

    return chart;
  }
Exemplo n.º 9
0
  public static String getBarSeries(Map dataSource, String objectName, HttpSession session)
      throws Exception {
    DefaultKeyedValues barValues = new DefaultKeyedValues();
    DefaultKeyedValues seriesValues = new DefaultKeyedValues();
    Element chartObject =
        XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);

    Element barField = chartObject.getChild("BarFields").getChild("Field");
    Element seriesField = chartObject.getChild("SeriesFields").getChild("Field");

    for (int i = 0; i < dataSource.size(); i++) {
      Map rec = (Map) dataSource.get("ROW" + i);
      barValues.addValue(
          DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
          Double.parseDouble(rec.get(barField.getAttributeValue("name")).toString()));
      seriesValues.addValue(
          DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
          Double.parseDouble(rec.get(seriesField.getAttributeValue("name")).toString()));
    }

    CategoryDataset dataset =
        DatasetUtilities.createCategoryDataset(barField.getAttributeValue("label"), barValues);

    PlotOrientation plotOrientation =
        chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
            ? PlotOrientation.VERTICAL
            : PlotOrientation.HORIZONTAL;
    JFreeChart chart =
        ChartFactory.createBarChart3D(
            chartObject.getAttributeValue("title"),
            chartObject.getAttributeValue("categoryAxisLabel"),
            chartObject.getAttributeValue("valueAxisLabel"),
            dataset,
            plotOrientation,
            chartObject.getAttribute("showLegend").getBooleanValue(),
            chartObject.getAttribute("showToolTips").getBooleanValue(),
            chartObject.getAttribute("urls").getBooleanValue());

    CategoryPlot categoryplot = chart.getCategoryPlot();
    LineRenderer3D lineRenderer = new LineRenderer3D();
    CategoryDataset datasetSeries =
        DatasetUtilities.createCategoryDataset(
            seriesField.getAttributeValue("label"), seriesValues);

    categoryplot.setDataset(1, datasetSeries);
    categoryplot.setRangeAxis(1, new NumberAxis3D(seriesField.getAttributeValue("label")));
    categoryplot.setRenderer(1, lineRenderer);
    categoryplot.mapDatasetToRangeAxis(1, 1);

    BarRenderer3D barrenderer = (BarRenderer3D) categoryplot.getRenderer();
    barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    barrenderer.setItemLabelsVisible(true);
    barrenderer.setPositiveItemLabelPosition(
        new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));

    //	        lineRenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    //	        lineRenderer.setItemLabelsVisible(true);
    //	        lineRenderer.setPositiveItemLabelPosition(
    //	                new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.CENTER));

    float alpha = 0.7F;
    if (chartObject.getAttribute("alpha") != null) {
      alpha = chartObject.getAttribute("alpha").getFloatValue();
    }
    categoryplot.setForegroundAlpha(alpha);

    int width, height;
    if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
      width = (50 * dataSource.size()) + 100;
    } else {
      width = Integer.parseInt(chartObject.getAttributeValue("width"));
    }
    if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
      height = (50 * dataSource.size()) + 100;
    } else {
      height = Integer.parseInt(chartObject.getAttributeValue("height"));
    }

    return ServletUtilities.saveChartAsPNG(chart, width, height, session);
  }
Exemplo n.º 10
0
  public static String getSimpleBarChart(Map dataSource, String objectName, HttpSession session)
      throws Throwable {
    Element chartObject =
        XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);

    List invokeFields = chartObject.getChild("InvokeFields").getChildren("Field");
    double[][] data = new double[invokeFields.size()][dataSource.size()];
    String[] rowKeys = new String[invokeFields.size()];
    String[] columnKeys = new String[dataSource.size()];
    String columnLabel = chartObject.getChildText("ColumnLabel");

    for (int i = 0; i < dataSource.size(); i++) {
      Map rec = (Map) dataSource.get("ROW" + i);
      columnKeys[i] = DataFilter.show(rec, columnLabel);
      for (int j = 0; j < invokeFields.size(); j++) {
        data[j][i] =
            Double.parseDouble(
                rec.get(((Element) invokeFields.get(j)).getAttributeValue("name")).toString());
      }
    }
    for (int i = 0; i < invokeFields.size(); i++) {
      rowKeys[i] = ((Element) invokeFields.get(i)).getAttributeValue("label");
    }

    CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);

    PlotOrientation plotOrientation =
        chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
            ? PlotOrientation.VERTICAL
            : PlotOrientation.HORIZONTAL;
    JFreeChart chart =
        ChartFactory.createBarChart3D(
            chartObject.getAttributeValue("title"),
            chartObject.getAttributeValue("categoryAxisLabel"),
            chartObject.getAttributeValue("valueAxisLabel"),
            dataset,
            plotOrientation,
            chartObject.getAttribute("showLegend").getBooleanValue(),
            chartObject.getAttribute("showToolTips").getBooleanValue(),
            chartObject.getAttribute("urls").getBooleanValue());

    CategoryPlot C3dplot = (CategoryPlot) chart.getPlot();
    if (chartObject.getAttribute("alpha") != null) {
      C3dplot.setForegroundAlpha(chartObject.getAttribute("alpha").getFloatValue());
    }

    BarRenderer3D barrenderer = (BarRenderer3D) C3dplot.getRenderer();
    barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    barrenderer.setItemLabelsVisible(true);
    barrenderer.setPositiveItemLabelPosition(
        new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));

    int width, height;
    if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
      width = (50 * dataSource.size()) * invokeFields.size() + 100;
    } else {
      width = Integer.parseInt(chartObject.getAttributeValue("width"));
    }
    if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
      height = (50 * dataSource.size()) * invokeFields.size() + 100;
    } else {
      height = Integer.parseInt(chartObject.getAttributeValue("height"));
    }

    return ServletUtilities.saveChartAsPNG(chart, width, height, session);
  }