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This command will then print all "good" values you can use for 'Grd_ni' and 'Grd_nj' (can be different) between the range you specified with 'min' and 'max'.
Verify your grid
After having specified a grid in the file 'gem_settings.nml' you can have a look at the grid you specified using the grille script - see description below.
In the directory in which you have your file 'gem_settings.nml' simply type :
grille -xrec
or if you just want to see the free grid:
grille -xrec -grid free
grille
The command 'grille' reads the namelist 'grid' from an input file and :
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