/// <summary>
/// Build map for the root
/// </summary>
public void Build(OrbitalBodyDescription root)
{
const int SIZE = 1001;
using (var img = new Bitmap(SIZE, SIZE))
using (var gr = Graphics.FromImage(img))
{
gr.SmoothingMode = SmoothingMode.HighQuality;
//max orbit
var max = root.GetMeAndChildren().Select(b => b.OrbitRadius).Max();
//scale
var scale = 0.5 * (SIZE - 5) / max;
//draw orbits
DrawOrbit(gr, scale, root);
//convert to png
using (var ms = new MemoryStream())
{
img.Save(ms, ImageFormat.Png);
//save to root body
root.Map = ms.ToArray();
root.MapScale = scale;
}
}
}
