private void DrawStars()
{
if (starpositions == null)
{
starpositions = SystemClass.GetStarPositions();
}
using (Pen pen = new Pen(Color.White, 2))
using (Graphics gfx = Graphics.FromImage(imageViewer1.Image))
{
foreach (Point3D si in starpositions)
{
DrawPoint(gfx, pen, si.X, si.Z);
}
}
}
