For example, the matrix representing the returned transform of new Rotate (theta, x, y, z) is :

              [ cos(theta) -sin(theta) 0 x-x*cos+y*sin ]
              [ sin(theta) cos(theta) 0 y-x*sin-y*cos ]
              [ 0 0 1 z ]
 

note Rotate (theta, x, y, z) where z is not used in formula