Hi,
I have just installed the NCL 6.0.0 beta (Mac OS 10.6, 64 bit and gcc
4.21) and i try to run a NCL script that works in NCL 5.2.1 without any
error but in the newer version it gives the following error,
fatal:No valid instance of variable lv_ISBL0/100 found in file list
fatal:Execute: Error occurred at or near line 102 in file track_gfs.ncl
The code is,
;--- read input files ---
files = systemfunc("ls -tr dsets/gfs/"+dstr+"/gfs.t"+darr(3)+"z.*")
nfile = dimsizes(files)
grb = addfiles(files, "r")
;--- concantrate files ---
ListSetType(grb, "cat")
;--- get coordinate variables ---
lat = grb[0]->lat_0
lon = grb[0]->lon_0
lev = grb[0]->lv_ISBL0/100
time = nfile
ntimes = nfile
I fix the problem when i change the calculation of lev variable in script,
lev = grb[0]->lv_ISBL0
lev = lev/100
I think that the arithmetic operation trigers the error when the variable
is read. The data format is GRIB that is retrieved from NOMADS server
(nomads.ncep.noaa.gov) and directory /pub/data/nccf/com/gfs/prod/. I am
not sure this is a bug or not but i send this mail just in case.
Best regards,
--ufuk
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