/// <summary>
/// Creates a relative transformation from t0 to t1.
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <returns></returns>
public static Orient2d CreateFromTo(Orient2d from, Orient2d to)
{
return(to.Apply(from.Inverse));
}
/// <summary>
///
/// </summary>
/// <param name="scale"></param>
/// <param name="orientation"></param>
public Transform2d(Vector2d scale, Orient2d orientation)
{
Scale = scale;
Rotation = orientation.Rotation;
Translation = orientation.Translation;
}