private void DrawColorMap(Graphics g, PointF[] pts,
float ymin, float ymax, float y)
{
Color color = clMap.DrawColorMap(ymin, ymax, y, colStyle);
//if (!isColor)
//{
// //create the grayscale version of the pixel
// int grayScale = (int)((color.R * .3) + (color.G * .59)
// + (color.B * .11));
// //create the color object
// color = Color.FromArgb(grayScale, grayScale, grayScale);
//}
SolidBrush aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pts);
}