NEWCEL : Apply unit-cell change

transf define transformation matrix

NEWCEL Option Code Arg   Def
  non-integer transformed stop   stop and complain  
  Miller indices remv   remove non-integer reflections  

transf 1-9 transformation matrix \(T_{11}, T_{12}, T_{13}, T_{21}, T_{22}, T_{23}, T_{31}, T_{32}, T_{33}\) [a]  

[a] Transformation is \(  \alpha '=T\alpha \), \(\alpha \) is a column vector of the unit cell vectors a, b, c.