'data elf1acrt.dat'

'elf1-mod.dat'
' '
' '
'elf1-cod.dat'
' '
'writsrf.dat'
'elf1-log.out'

'elf1-dcr.dat'
0   0   5   0 /      (KSTORE, NEXPS, NHLF, MODCRT)
999. 10. 0.00005 0.00050  0.000 0.000 0.000 /     (STORE,STEP,UEB,UEB**)
-2 12  -2 12  -1 5 /                              (Computational volume)
/                    (No auxiliary surface defined within this data set)
/                    (No end surfaces)
-1 /                 (Storing surfaces)
/                    (All points of intersection)
/                    (All points of intersection)

'elf1-ini.dat'
-1 3 /          (Single initial point, azimuthal equidistant projection)
'elf1asrc.out' /            (File with coordinates of the initial point)

'elf1-rpa.dat  (azimuthal equidistant projection ray parameters)'
 -1  -1  -2  -1    0.0005   0.05 /    (ISRFR,ISRFX,ISRFY,NREC,XERR,AERR)
'elf1arec.out' /
 -.200 -.400   0.150 -.050   -.300 -.300    2  2    1 /
/