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ReadWrite/

read_grads.pro

reading grads file (except "data type station" or "grib") from the grads control file even if there is multiple data files. keyword GLAMBOUNDARY (via computegrid.pro) a 2 elements vector, {lon1,lon2], giving the longitude boundaries that should be used to visualize the data. lon2 > lon1 lon2 - lon1 eq 360 key_shift will be automatically defined according to GLAMBOUNDARY. keyword IODIRECTORY a string giving the name of iodirectory (see isafile.pro for all possibilities). default value is common variable iodir

topread_grads reading function

result = read_grads(var, date1[, date2], FILENAME=FILENAME, BOX=BOX, TIMESTEP=TIMESTEP, EVERYTHING=EVERYTHING, NOSTRUCT=NOSTRUCT, _EXTRA=_EXTRA)

Parameters

var        in required

the variable name

date1        in required

date of the beginning (yyyymmdd if TIMESTEP is not activate)

date2        in optional

last date. Optionnal, if not scpecified date2=date1

Keywords

FILENAME       

the grads control file name: 'xxxx.ctl'

BOX       

TIMESTEP       

to specify that the dates are time steps instead of true calendar.

EVERYTHING       

NOSTRUCT       

_EXTRA       

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