C COP                 LOGICAL VARIABLES PERTAINING TO BEAM CENTROID
C
C SOFA         LOGICAL   TRUE IF THE BEAM CENTROID MAY BE OFF AXIS.
C CVP(NPVAR)   LOGICAL   TRUE IF VARIED PARAMETER AFFECTS THE BEAM CENTROID
C
      LOGICAL         SOFA, CVP(NPVAR)
C
      COMMON /COP/    SOFA, CVP