/***************************************************/
public static Basis Transform(this Basis basis, TransformMatrix transform)
{
return(Create.Basis(basis.X.Transform(transform), basis.Y.Transform(transform)));
}
/***************************************************/
public static Basis Rotate(this Basis basis, double rad, Vector axis)
{
return(Create.Basis(basis.X.Rotate(rad, axis), basis.Y.Rotate(rad, axis)));
}