CALL PCOM (XFRMTA, XFRMTB, ERRIND, XFRMTO).
Returns a homogeneous 3 x 3 matrix which is the product of XFRMTA and XFRMTB (XFRMTA x XFRMTB).
The returned matrix can be used as the transformation matrix for the SET LOCAL TRANSFORMATION MATRIX, SET GLOBAL TRANSFORMATION MATRIX and similar functions.
Set global transformation, set local transformation, translate, scale, rotate, compose matrix, build transformation matrix, compose transformation matrix