[gradsusr] making grads descriptor file using CDO

[krishnamohan]

Hai felim,
              If your file is in grb format, use 'cdo gradsdes2
filename.grb' which will give you the descriptor file. Other wise you can
try grib2ctl program.
see http://www.cpc.noaa.gov/products/wesley/grib2ctl.html

-- 
Krishnamohan.K.S
Junior Research Fellow
Department Of Atmospheric Sciences
Cochin University of Science and Technology
Cochin,India


On Sat, Oct 30, 2010 at 4:09 AM, felim hanniffy
<felimhanniffy at yahoo.co.uk>wrote:

>
>
>   Hi,
> I'm new to the CDO program and GRaDs,my GRaDs version is 2.0.a8.I have some
> forecast outputs that i have been trying to view with GRaDs, i tried to make
> a descriptor file in order to use the GRaDs software, i used the "gradsdes1"
> command but it only makes a descriptor file with 2 variables out of the 49
> that each forecast contains, also it states that  "lonlat grid unsupported,
> skipped variable var49 " and so on for the other 47 variables.
> The forecast output is for a rotated grid which i know can lead to
> difficulties,  When i check the discriptor file only 2 variables are
> available, also when i try to display it in GRaDs it states "entire grid
> undefined" set to missing data
> Just looking for help as to what i need to do  to rectify the problem, or
> any advice would be much appreciated,
> thanks in advance,
> regards
> felim hanniffy
>
>
> here's is an example  of my descriptor file made with CDO, it only contains
> 2 of the 49 vars
>
> Generated by CDO version 1.3.2
> *
> DSET  ^lfff00180000
> DTYPE  GRIB
> OPTIONS yrev
> INDEX  ^lfff00180000.gmp
> XDEF 100 LINEAR -23.375000 0.250000
> YDEF 110 LINEAR -20.500000 0.250000
> ZDEF 41 LINEAR 1 1
> TDEF 1 LINEAR 12:00Z16sep1961 1mn
> TITLE  lfff00180000  100x110 grid
> UNDEF  -9e+33
> VARS  2
> var33             40  33,110  var33
> var124             0  124,1  var124
> ENDVARS
>
>
>
>
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>
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