//Main code for creating charts
public void createChart(WPFChartViewer viewer, int chartIndex)
{
// The value to display on the meter
double value = 72.55;
// Create an AngularMeter object of size 240 x 170 pixels with very light grey
// (0xeeeeee) background, and a rounded 4-pixel thick light grey (0xcccccc) border
AngularMeter m = new AngularMeter(240, 170, 0xeeeeee, 0xcccccc);
m.setRoundedFrame(Chart.Transparent);
m.setThickFrame(4);
// Set the default text and line colors to dark grey (0x222222)
m.setColor(Chart.TextColor, 0x222222);
m.setColor(Chart.LineColor, 0x222222);
// Center at (120, 145), scale radius = 128 pixels, scale angle -60 to +60 degrees
m.setMeter(120, 145, 128, -60, 60);
// Meter scale is 0 - 100, with major/minor/micro ticks every 20/10/5 units
m.setScale(0, 100, 20, 10, 5);
// Set the scale label style to 14pt Arial Italic. Set the major/minor/micro tick
// lengths to 16/16/10 pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 14);
m.setTickLength(-16, -16, -10);
m.setLineWidth(0, 2, 1, 1);
// Demostrate different types of color scales and putting them at different positions
double[] smoothColorScale = { 0, 0x3333ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
0xff0000 };
double[] stepColorScale = { 0, 0x00cc00, 60, 0xffdd00, 80, 0xee0000, 100 };
double[] highLowColorScale = { 0, 0x00ff00, 70, Chart.Transparent, 100, 0xff0000 };
if (chartIndex == 0)
{
// Add the smooth color scale at the default position
m.addColorScale(smoothColorScale);
}
else if (chartIndex == 1)
{
// Add the smooth color scale starting at radius 128 with zero width and ending at
// radius 128 with 16 pixels inner width
m.addColorScale(smoothColorScale, 128, 0, 128, -16);
}
else if (chartIndex == 2)
{
// Add the smooth color scale starting at radius 70 with zero width and ending at
// radius 60 with 20 pixels outer width
m.addColorScale(smoothColorScale, 70, 0, 60, 20);
}
else if (chartIndex == 3)
{
// Add the high/low color scale at the default position
m.addColorScale(highLowColorScale);
}
else if (chartIndex == 4)
{
// Add the step color scale at the default position
m.addColorScale(stepColorScale);
}
else
{
// Add the smooth color scale at radius 60 with 15 pixels outer width
m.addColorScale(smoothColorScale, 60, 15);
}
// Add a text label centered at (120, 120) with 15pt Arial Italic font
m.addText(120, 120, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.BottomCenter);
// Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, 0xff0000);
// Add a semi-transparent light grey (0x3fcccccc) rectangle at (0, 120) and of size 240
// x 60 pixels to cover the bottom part of the meter for decoration
ChartDirector.TextBox cover = m.addText(0, 120, "");
cover.setSize(240, 60);
cover.setBackground(0x3fcccccc);
// Output the chart
viewer.Chart = m;
}
