Example usage for org.jfree.chart.plot.dial DialPlot DialPlot

Introduction

In this page you can find the example usage for org.jfree.chart.plot.dial DialPlot DialPlot.

Prototype

public DialPlot(ValueDataset dataset) 

Source Link

Document

Creates a new instance of DialPlot.

Usage

From source file:org.cyberoam.iview.charts.MeterChart.java

/**
 * This method generates JFreeChart instance for Meter chart with dial port and iView customization.
 * @param reportID/* ww  w. ja va2s  .  c  o m*/
 * @param rsw
 * @param request
 * @return
 */
public static JFreeChart getChart(int reportID, ResultSetWrapper rsw, HttpServletRequest request) {
    ReportBean reportBean = ReportBean.getRecordbyPrimarykey(reportID);
    JFreeChart chart = null;
    ReportColumnBean reportColumnBean = null;
    GraphBean graphBean = null;
    try {
        DefaultValueDataset data = null;
        graphBean = GraphBean.getRecordbyPrimarykey(reportBean.getGraphId());
        reportColumnBean = ReportColumnBean.getRecordByPrimaryKey(reportBean.getReportId(),
                graphBean.getYColumnId());
        String yColumnDBname = reportColumnBean.getDbColumnName();
        rsw.first();
        double used = Double.parseDouble(rsw.getString(yColumnDBname));
        data = new DefaultValueDataset(100 - used);
        DialPlot plot = new DialPlot(data);
        chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, false);

        chart.setBackgroundPaint(Color.white);
        int imgWidth = graphBean.getWidth();
        int imgHeight = graphBean.getHeight();
        if (request != null && request.getParameter("imgwidth") != null
                && !"".equalsIgnoreCase(request.getParameter("imgwidth"))
                && !"null".equalsIgnoreCase(request.getParameter("imgwidth"))) {
            imgWidth = Integer.parseInt(request.getParameter("imgwidth"));
        }
        if (request != null && request.getParameter("imgheight") != null
                && !"".equalsIgnoreCase(request.getParameter("imgheight"))
                && !"null".equalsIgnoreCase(request.getParameter("imgheight"))) {
            imgHeight = Integer.parseInt(request.getParameter("imgheight"));
        }
        plot.setView((1 - ((double) imgWidth / (double) imgHeight)) / 2, plot.getViewY(),
                ((double) imgWidth / (double) imgHeight), plot.getViewHeight());
        StandardDialFrame dialFrame = new StandardDialFrame();
        dialFrame.setBackgroundPaint(new Color(54, 73, 109));
        dialFrame.setRadius(0.8);
        dialFrame.setStroke(new BasicStroke(0));
        plot.setDialFrame(dialFrame);
        GradientPaint gp = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(),
                new Color(196, 210, 219));
        DialBackground db = new DialBackground(gp);
        db.setGradientPaintTransformer(
                new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
        plot.setBackground(db);

        DialValueIndicator dvi = new DialValueIndicator(0);
        dvi.setRadius(0.55);
        dvi.setBackgroundPaint(gp);
        dvi.setNumberFormat(new DecimalFormat("###"));
        dvi.setFont(new Font("Vandara", Font.CENTER_BASELINE, 10));
        dvi.setOutlinePaint(Color.lightGray);
        plot.addLayer(dvi);

        StandardDialScale scale = new StandardDialScale(0, 100, -120, -300, 10, 4);
        scale.setTickRadius(0.75);
        scale.setTickLabelOffset(0.15);
        scale.setTickLabelFont(new Font("Vandara", Font.CENTER_BASELINE, 9));
        plot.addScale(0, scale);

        StandardDialRange range = new StandardDialRange(0.0, 50.0, Color.green);
        range.setInnerRadius(0.35);
        range.setOuterRadius(0.38);
        plot.addLayer(range);

        StandardDialRange range2 = new StandardDialRange(50.0, 75.0, Color.yellow);
        range2.setInnerRadius(0.35);
        range2.setOuterRadius(0.38);
        plot.addLayer(range2);

        StandardDialRange range3 = new StandardDialRange(75.0, 100.0, Color.red);
        range3.setInnerRadius(0.35);
        range3.setOuterRadius(0.38);
        plot.addLayer(range3);

        DialPointer needle = new DialPointer.Pointer();
        needle.setRadius(0.55);
        plot.addLayer(needle);

        DialCap cap = new DialCap();
        cap.setRadius(0.05);
        plot.setCap(cap);

    } catch (Exception e) {
        CyberoamLogger.appLog.debug("MeterChart=>Exception : " + e, e);
    }
    return chart;
}

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From source file:org.rdv.viz.dial.DialPanel.java

/**
 * Creates the panel containing the dial.
 * /*w  w  w  .  j  av  a2s . co m*/
 * @return  the dial panel
 */
private JPanel createDialPanel() {
    plot = new DialPlot(dataset);

    plot.setDialFrame(new StandardDialFrame());

    engineeringFormat = new EngineeringFormat();
    engineeringFormatWithUnit = new EngineeringFormat();

    dialValueIndicator = new DialValueIndicator();
    dialValueIndicator.setOutlinePaint(Color.black);
    dialValueIndicator.setRadius(0.7);
    dialValueIndicator.setVisible(false);
    dialValueIndicator.setNumberFormat(engineeringFormatWithUnit);
    plot.addLayer(dialValueIndicator);

    dialTextAnnotation = new DialTextAnnotation("");
    dialTextAnnotation.setRadius(0.8);
    plot.addLayer(dialTextAnnotation);

    DialPointer dialPointer = new DialPointer.Pointer();
    dialPointer.setRadius(0.9);
    plot.addPointer(dialPointer);

    plot.setCap(new DialCap());

    dialScale = new BoundedDialScale();
    dialScale.setStartAngle(-120);
    dialScale.setExtent(-300);
    dialScale.setMinorTickCount(5);
    dialScale.setTickLabelFormatter(engineeringFormat);
    dialScale.setTickRadius(0.9);

    JFreeChart chart = new JFreeChart(plot);
    chart.removeLegend();

    return new ChartPanel(chart);
}

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