block.zone.face.gp
Syntax
Get a gridpoint on a face - i1 = 1, 2, 3 or 4. i2 =1,2,3 indicating the three gridpoints on the face.
bgpp - block gridpoint pointer
bz - block zone pointer
i1 - face index
i2 - gridpoint index on the face
block.zone.face.area
block.zone.face.normal