public bool RemoveCurveOf(PlanetId id, OrbitInfoType kind)
{
String label = OrbitSpec.LableOf(id, kind);
return(RemoveCurveOf(label));
}
public bool IsCurveAdded(PlanetId id, OrbitInfoType kind)
{
String label = OrbitSpec.LableOf(id, kind);
return(IsCurveAdded(label));
}