public override double Intersect(BasinBase otherBasin)
{
var other = (MeridianBase)otherBasin;
var Qt = new Vector2D(
other.Q.X * Math.Cos(Lambda.Value - otherBasin.Lambda.Value),
other.Q.Y);
Beta_traverse = Qt.AngleTo(Qb /*or Q?*/.ToVector2D()).Radians;
return(Triangles.SinusesTheorem(
Math.PI / 2 + Delta_g_meridian,
r,
Beta_traverse)
-
//r;
otherBasin.r); //there's deformation
}