protected Component getChart() {
    final Chart chart = new Chart();
    chart.setWidth("500px");

    final Configuration configuration = new Configuration();
    configuration.getChart().setType(ChartType.GAUGE);
    configuration.getChart().setAlignTicks(false);
    configuration.getChart().setPlotBackgroundColor(null);
    configuration.getChart().setPlotBackgroundImage(null);
    configuration.getChart().setPlotBorderWidth(0);
    configuration.getChart().setPlotShadow(false);
    configuration.setTitle("Temperature");

    configuration.getPane().setStartAngle(-150);
    configuration.getPane().setEndAngle(150);

    YAxis yAxis = new YAxis();
    yAxis.setMin(-30);
    yAxis.setMax(50);
    yAxis.setLineColor(new SolidColor("#339"));
    yAxis.setTickColor(new SolidColor("#339"));
    yAxis.setMinorTickColor(new SolidColor("#339"));
    yAxis.setOffset(-25);
    yAxis.setLineWidth(2);
    yAxis.setLabels(new Labels());
    yAxis.getLabels().setDistance(-20);
    yAxis.getLabels().setRotationPerpendicular();
    yAxis.setTickLength(5);
    yAxis.setMinorTickLength(5);
    yAxis.setEndOnTick(false);

    configuration.addyAxis(yAxis);

    final ListSeries series = new ListSeries("Temperature", 12);

    PlotOptionsGauge plotOptionsGauge = new PlotOptionsGauge();
    plotOptionsGauge.setDataLabels(new Labels());
    plotOptionsGauge.getDataLabels().setFormatter("function() {return '' + this.y +  ' °C';}");
    GradientColor gradient = GradientColor.createLinear(0, 0, 0, 1);
    gradient.addColorStop(0, new SolidColor("#DDD"));
    gradient.addColorStop(1, new SolidColor("#FFF"));
    plotOptionsGauge.getDataLabels().setBackgroundColor(gradient);
    plotOptionsGauge.getTooltip().setValueSuffix(" °C");
    series.setPlotOptions(plotOptionsGauge);
    configuration.setSeries(series);
    chart.drawChart(configuration);

    return chart;
  }
コード例 #2
0
ファイル: SolidGauge.java プロジェクト: ace130-github/charts
  @Override
  protected Component getChart() {
    final Chart chart = new Chart();
    chart.setWidth(500, Unit.PIXELS);

    final Configuration configuration = chart.getConfiguration();
    configuration.getChart().setType(ChartType.SOLIDGAUGE);

    configuration.getTitle().setText("Speed");

    Pane pane = new Pane();

    pane.setCenter("50%", "85%");
    pane.setSize("140%");
    pane.setStartAngle(-90);
    pane.setEndAngle(90);
    configuration.addPane(pane);

    configuration.getTooltip().setEnabled(false);

    Background bkg = new Background();
    bkg.setBackgroundColor(new SolidColor("#eeeeee"));
    bkg.setInnerRadius("60%");
    bkg.setOuterRadius("100%");
    bkg.setShape("arc");
    bkg.setBorderWidth(0);
    pane.setBackground(new Background[] {bkg});

    YAxis yaxis = configuration.getyAxis();
    yaxis.setLineWidth(0);
    yaxis.setTickInterval(200);
    yaxis.setTickWidth(0);
    yaxis.setMin(0);
    yaxis.setMax(200);
    yaxis.setTitle(new AxisTitle(""));
    yaxis.getTitle().setY(-70);
    yaxis.setLabels(new Labels());
    yaxis.getLabels().setY(16);
    Stop stop1 = new Stop(0.1f, SolidColor.GREEN);
    Stop stop2 = new Stop(0.5f, SolidColor.YELLOW);
    Stop stop3 = new Stop(0.9f, SolidColor.RED);
    yaxis.setStops(new Stop[] {stop1, stop2, stop3});

    PlotOptionsSolidGauge plotOptions = new PlotOptionsSolidGauge();
    plotOptions.setTooltip(new SeriesTooltip());
    plotOptions.getTooltip().setValueSuffix(" km/h");
    DataLabels labels = new DataLabels();
    labels.setY(5);
    labels.setBorderWidth(0);
    labels.setUseHTML(true);
    labels.setFormat(
        "<div style=\"text-align:center\"><span style=\"font-size:25px;\">{y}</span><br/>"
            + "                       <span style=\"font-size:12pxg\">km/h</span></div>");
    plotOptions.setDataLabels(labels);
    configuration.setPlotOptions(plotOptions);

    final ListSeries series = new ListSeries("Speed", 80);
    configuration.setSeries(series);

    runWhileAttached(
        chart,
        new Runnable() {
          Random r = new Random(0);

          @Override
          public void run() {
            Integer oldValue = series.getData()[0].intValue();
            Integer newValue = (int) (oldValue + (r.nextDouble() - 0.5) * 20.0);
            if (newValue > 200) {
              newValue = 200;
            } else if (newValue < 0) {
              newValue = 0;
            }
            series.updatePoint(0, newValue);
          }
        },
        3000,
        12000);

    chart.drawChart(configuration);
    return chart;
  }