Linear Zone Meter

[JSP Version] jspdemo/linearzonemeter.jsp
<%@page import="ChartDirector.*, java.util.*" %>
<%
// The value to display on the meter
double value = 85;

// Create an LinearMeter object of size 210 x 45 pixels, using silver background with a 2 pixel
// black 3D depressed border.
LinearMeter m = new LinearMeter(210, 45, Chart.silverColor(), 0, -2);

// Set the scale region top-left corner at (5, 5), with size of 200 x 20 pixels. The scale labels
// are located on the bottom (implies horizontal meter)
m.setMeter(5, 5, 200, 20, Chart.Bottom);

// Set meter scale from 0 - 100
m.setScale(0, 100);

// Add a title at the bottom of the meter with a 1 pixel raised 3D border
m.addTitle2(Chart.Bottom, "Battery Level", "Arial Bold", 8).setBackground(Chart.Transparent, -1, 1);

// Set 3 zones of different colors to represent Good/Weak/Bad data ranges
m.addZone(50, 100, 0x99ff99, "Good");
m.addZone(20, 50, 0xffff66, "Weak");
m.addZone(0, 20, 0xffcccc, "Bad");

// Add empty labels (just need the ticks) at 0/20/50/80 as separators for zones
m.addLabel(0, " ");
m.addLabel(20, " ");
m.addLabel(50, " ");
m.addLabel(100, " ");

// Add a semi-transparent blue (800000ff) pointer at the specified value, using triangular pointer
// shape
m.addPointer(value, 0x800000ff).setShape(Chart.TriangularPointer);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(m, Chart.SVG);
%>
<!DOCTYPE html>
<html>
<head>
    <title>Linear Zone Meter</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Linear Zone Meter
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
    </div>
    <!-- ****** Here is the chart image ****** -->
    <%= viewer.renderHTML(response) %>
</body>
</html>