[gradsusr] Viewing TRMM_3B42_Daily: TRMM (TMPA) Precipitation L3 product in GrADS

[Krishnakumar AP]

Hello,
I tried with scripts but not succeeded much. Then I tried to plot in
Panoply, then it shown like this screen shot. [image: Inline image 1]
So I think this data got some problem. But still i didn't succeeded in
scripting. So someone else can help in this from our community.

Best regards
    Krishnakumar.AP


On Mon, Apr 10, 2017 at 11:32 PM, Vizy, Edward K <ned at jsg.utexas.edu> wrote:

> Hi –
>
>
>
> Hope someone could help me out.  I am trying to get the TRMM_3B42_Daily:
> TRMM (TMPA) Precipitation L3 1 day 0.25 degree x 0.25 degree V7 product
> from NASA to view in GrADS Version 2.1.a2 , but I am not having too much
> success with the netcdf-4 files.
>
>
>
> For example, I am trying to open up one file:
> https://disc2.gesdisc.eosdis.nasa.gov/data/TRMM_L3/TRMM_
> 3B42_Daily.7/1998/12/3B42_Daily.19981231.7.nc4
>
> using GrADS.  The control file I have created is:
>
>
>
> DSET ^./3B42_Daily.19981231.7.nc4
>
> UNDEF -9999.9
>
> XDEF 1440 LINEAR -179.875 0.25
>
> YDEF 400 LINEAR -49.875 0.25
>
> ZDEF 1 LEVELS 1 1
>
> TDEF 1 LINEAR 31dec1998 1dy
>
> VARS 8
>
> precipitation=>r                       0 t,y,x     Daily accumulated
> precipitation  (mm/day)
>
> precipitation_cnt=>r_c            0 t,y,x Count of valid 3-hr
> precipitation (count)
>
> IRprecipitation=>irr                0 t,y,x Daily accumulated
> precipitation (IR) (mm/day)
>
> IRprecipitation_cnt=>irr_c     0 t,y,x Count of valid 3-hr IR
> precipitation retrievals (count)
>
> HQprecipitation=>hqr            0 t,y,x Daily accumulated High Quality
> precipitation (mm/day)
>
> HQprecipitation_cnt=>hqr_c  0 t,y,x Count of valid 3-hr HQ precipitation
> retrievals (count)
>
> randomError=>re                    0 t,y,x Daily total error (mm/day)
>
> randomError_cnt=>re_c         0 t,y,x Count of valid 3-hr error retrievals
> for the day (count)
>
> ENDVARS
>
>
>
> Does anyone have a working script that they could pass along to me, or
> suggest any changes to the above control file to make it work?
>
>
>
> Thanks,
>
> Ned Vizy
>
>
>
>
>
> ______________________________________
> Dr. Edward "Ned" Vizy
> Research Scientist Associate V
> Department of Geological Sciences
> Jackson School of Geosciences
> The University of Texas at Austin
> Austin, TX 78712
> ______________________________________
>
>
>
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> gradsusr at gradsusr.org
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>
>
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