ChartDirector 7.0 (Java Edition)
V-Linear Meter Orientation
Source Code Listing
<%@page import="ChartDirector.*, java.util.*" %>
<%!
// Function to create the demo charts
void createChart(WebChartViewer viewer, int chartIndex)
{
// The value to display on the meter
double value = 75.35;
// Create a LinearMeter object of size 70 x 240 pixels with very light grey (0xeeeeee)
// backgruond and a light grey (0xccccccc) 3-pixel thick rounded frame
LinearMeter m = new LinearMeter(70, 240, 0xeeeeee, 0xcccccc);
m.setRoundedFrame(Chart.Transparent);
m.setThickFrame(3);
// This example demonstrates putting the text labels at the left or right side by setting the
// label alignment and scale position.
if (chartIndex == 0) {
m.setMeter(28, 18, 20, 205, Chart.Left);
} else {
m.setMeter(20, 18, 20, 205, Chart.Right);
}
// Set meter scale from 0 - 100, with a tick every 10 units
m.setScale(0, 100, 10);
// Add a smooth color scale to the meter
double[] smoothColorScale = {0, 0x6666ff, 25, 0x00bbbb, 50, 0x00ff00, 75, 0xffff00, 100,
0xff0000};
m.addColorScale(smoothColorScale);
// Add a blue (0x0000cc) pointer at the specified value
m.addPointer(value, 0x0000cc);
// Output the chart
viewer.setChart(m, Chart.SVG);
}
%>
<%
// This example includes 2 charts
WebChartViewer[] viewers = new WebChartViewer[2];
for (int i = 0; i < viewers.length; ++i) {
viewers[i] = new WebChartViewer(request, "chart" + i);
createChart(viewers[i], i);
}
%>
<!DOCTYPE html>
<html>
<head>
<title>V-Linear Meter Orientation</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;">
V-Linear Meter Orientation
</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 are the chart images ****** -->
<%
for (int i = 0; i < viewers.length; ++i) {
out.write(viewers[i].renderHTML(response));
out.write(" ");
}
%>
</body>
</html>