Example usage for org.jfree.chart.plot.dial StandardDialFrame setRadius

Introduction

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

Prototype

public void setRadius(double radius) 

Source Link

Document

Sets the radius and sends a DialLayerChangeEvent to all registered listeners.

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//from   w ww  .j  av  a  2  s .  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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