/// This function transforms a direction from the parent coordinate system to
/// 'this' local coordinate system.
public ChVector TransformDirectionParentToLocal(ChVector parent)
{
return(rot.RotateBack(parent));
}
/// This function transforms a direction from the parent coordinate system to
/// 'this' local coordinate system.
public ChVector TransformDirectionParentToLocal(ChVector parent)
{
return(rot.RotateBack(parent));
}