//Main code for creating charts
public void createChart(WinChartViewer viewer, string img)
{
// The x and y coordinates of the grid
double[] dataX = { -10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10 };
double[] dataY = { -10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10 };
// The values at the grid points. In this example, we will compute the
// values using the formula z = x * sin(y) + y * sin(x).
double[] dataZ = new double[(dataX.Length) * (dataY.Length)];
for (int yIndex = 0; yIndex < dataY.Length; ++yIndex)
{
double y = dataY[yIndex];
for (int xIndex = 0; xIndex < dataX.Length; ++xIndex)
{
double x = dataX[xIndex];
dataZ[yIndex * (dataX.Length) + xIndex] = x * Math.Sin(y) + y *
Math.Sin(x);
}
}
// Create a SurfaceChart object of size 380 x 400 pixels, with white
// (ffffff) background and grey (888888) border.
SurfaceChart c = new SurfaceChart(380, 400, 0xffffff, 0x888888);
// Demonstrate various lighting parameters
if (img == "0")
{
c.addTitle(
"Default Lighting<*br*><*size=10*>Ambient = 0.5, Diffuse = " +
"0.5, Specular = 1, Shininess = 8");
}
else if (img == "1")
{
c.addTitle(
"Matte (Non-Glossy) Lighting<*br*><*size=10*>Ambient = 0.5, " +
"Diffuse = 0.5, Specular = 0, Shininess = 0");
c.setLighting(0.5, 0.5, 0, 0);
}
else if (img == "2")
{
c.addTitle(
"Flat Lighting<*br*><*size=10*>Ambient = 1, Diffuse = 0, " +
"Specular = 0, Shininess = 0");
c.setLighting(1, 0, 0, 0);
}
else
{
c.addTitle(
"Strong Glossy Lighting<*br*><*size=10*>Ambient = 0.5, " +
"Diffuse = 0.5, Specular = 4, Shininess = 32");
c.setLighting(0.5, 0.5, 4, 32);
}
// Set the center of the plot region at (175, 200), and set width x depth
// x height to 200 x 200 x 160 pixels
c.setPlotRegion(175, 200, 200, 200, 160);
// Set the plot region wall thichness to 5 pixels
c.setWallThickness(5);
// Set the elevation and rotation angles to 45 and 60 degrees
c.setViewAngle(45, 60);
// Set the perspective level to 35
c.setPerspective(35);
// Set the data to use to plot the chart
c.setData(dataX, dataY, dataZ);
// Spline interpolate data to a 50 x 50 grid for a smooth surface
c.setInterpolation(50, 50);
// Set contour lines to semi-transparent black (c0000000)
c.setContourColor(unchecked ((int)0xc0000000));
// Output the chart
viewer.Image = c.makeImage();
}
