@--WARNING AT TIME 0.0 DAYS ( 1-JAN-2018): @ OUTPUTTING A GRID FILE (.GRID/.EGRID) IS NOT RECOMMENDED
@ WHEN THE GEOMETRY HAS BEEN READ IN VIA THE PETGRID
@ KEYWORD. THE GEOMETRY CONTAINED WITHIN THE .GSG FILE
@ MAY BE TOO COMPLEX FOR ECLIPSE TO OUTPUT.
@ IT IS BEST TO VIEW THIS MODEL USING PETREL.
@ ALL GRID FILE OUTPUT WILL BE BANNED.