add option to process all levels (if argument k = 0); use flag tileHasOB[N,S,E,W].
add option to process all levels (if argument k = 0);
use flag tileHasOB[N,S,E,W].

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h