[gradsusr] Control File (Template) Entire Grid Undefined

Jayakrishnan P.R prjayakrishnan at gmail.com
Mon Feb 20 23:06:40 EST 2017


Why there is Options byteswapped and also the template together ?. I think
the data is not being read by grads properly that is why u can open the ctl
file but cannot display and it is "grid undefined". Pls try to give options
by trial and error such as little_endian, big_endian, sequential etc
depending on the data. Just a thought.

On Tue, Feb 21, 2017 at 11:50 AM, Melissa Wagner <mawagner at asu.edu> wrote:

> Hello Grads Users,
>
> I am writing because my control file (template) will not display the
> Noah-MP offline data. Grads v2.0.a8 opens the control file  but reads
> "Entire Grid Undefined" when I try to display the variable. I would greatly
> appreciate any help you may have to offer.
>
> Best,
> Melissa
>
> My control file is:
>
> dset ^%y4%m2%d2%h2.LDSAOUT_DOMAIN1
> options  byteswapped
> options TEMPLATE
> dtype netcdf
> undef -1.e33
> title  OUTPUT FROM HRLDAS v20140513
> pdef  309 189 lcc  17.1886 -127.3326  1   1  39.00000  39.00000  -98.00000
>  20000.000  20000.000
> xdef  310 linear -127.3326   0.18983819
> ydef  190 linear  17.81886   0.18983819
> zdef    4 linear 1 1
> tdef 24 linear 00Z01JUN2008     60MN
> VARS 1
> TG=>tg  1 t,y,x Ground Temperature [K]
> ENDVARS
>
> ncdump -h yields the following global attribute info.
>
>  :TITLE = "OUTPUT FROM HRLDAS v20140513" ;
>                 :missing_value = -1.e+33f ;
>                 :START_DATE = "2008-06-01_00:00:00" ;
>                 :MAP_PROJ = 1 ;
>                 :LAT1 = 17.81886f ;
>                 :LON1 = -127.3326f ;
>                 :DX = 20000.f ;
>                 :DY = 20000.f ;
>                 :TRUELAT1 = 39.f ;
>                 :TRUELAT2 = 39.f ;
>                 :STAND_LON = -98.f ;
>                 :MMINLU = "MODIFIED_IGBP_MODIS_NOAH" ;
>
>
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>
>


-- 
Sincerely

**************************************************
Dr. Jayakrishnan P.R
Post Doctoral Research Fellow
C308, Institute of Ocean and Earth Sciences (IOES)
University of Malaya
50603, Kuala Lumpur
Tel: (+603) 7967 4640 / 6995
Mobile: 012-3526094

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