//
// Create chart
//
private void createChart(RazorChartViewer viewer)
{
// The value to display on the meter
double value = 85;
// Create an AugularMeter object of size 70 x 90 pixels, using black background with a 2
// pixel 3D depressed border.
AngularMeter m = new AngularMeter(70, 90, 0, 0, -2);
//Set default directory for loading images
m.setSearchPath(Url.Content("~/Content"));
// Use white on black color palette for default text and line colors
m.setColors(Chart.whiteOnBlackPalette);
// Set the meter center at (10, 45), with radius 50 pixels, and span from 135 to 45 degrees
m.setMeter(10, 45, 50, 135, 45);
// Set meter scale from 0 - 100, with the specified labels
m.setScale2(0, 100, new string[] { "E", " ", " ", " ", "F" });
// Set the angular arc and major tick width to 2 pixels
m.setLineWidth(2, 2);
// Add a red zone at 0 - 15
m.addZone(0, 15, 0xff3333);
// Add an icon at (25, 35)
m.addText(25, 35, "<*img=gas.gif*>");
// Add a yellow (ffff00) pointer at the specified value
m.addPointer(value, 0xffff00);
// Output the chart
viewer.Image = m.makeWebImage(Chart.PNG);
}