[gradsusr] About GPM data

[Jennifer M Adams]

You have a TDEF statement that indicates there are 96 time steps, yet you only provide chsub entries for the first three. I think you are on the right track with using %ch for the DSET entry — it’s not clear at all what the filenaming convention means — so just keep going with:
chsub 4 4 3B-HHR-E.MS.MRG.3IMERG.20150801-S013000-E015959.0090.V03E.HDF5
chsub 5 5 3B-HHR-E.MS.MRG.3IMERG.20150801-S020000-E022959.0120.V03E.HDF5
etc.

—Jennifer

On Mar 11, 2016, at 11:54 PM, devesh koirala <koiraladevesh at gmail.com<mailto:koiraladevesh at gmail.com>> wrote:

hi every one
I am a novice of grads and am facing a big problem
I have thousands of files of half hourly Rainfall data from GPM. the file name is in the format

3B-HHR-E.MS.MRG.3IMERG.20150801-S000000-E002959.0000.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S003000-E005959.0030.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S010000-E012959.0060.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S013000-E015959.0090.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S020000-E022959.0120.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S023000-E025959.0150.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S030000-E032959.0180.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S033000-E035959.0210.V03E.HDF5
3B-HHR-E.MS.MRG.3IMERG.20150801-S040000-E042959.0240.V03E.HDF5

Have problem reading these files . I have prepared ctl file as below for only 96 files for 2 days as

dset %ch
chsub 1 1 3B-HHR-E.MS.MRG.3IMERG.20150801-S000000-E002959.0000.V03E.HDF5
chsub 2 2 3B-HHR-E.MS.MRG.3IMERG.20150801-S003000-E005959.0030.V03E.HDF5
chsub 3 3 3B-HHR-E.MS.MRG.3IMERG.20150801-S010000-E012959.0060.V03E.HDF5

options template

dtype hdf5_grid

title IMERG sample

undef -9999.9

xdef 3600 linear -179.95 0.1

ydef 1800 linear -89.95 0.1

zdef 1 levels 1 1

tdef 96 linear 00:00Z15Aug2015 30mn

vars 5

/Grid/HQprecipitation=>HQp 0 x,y HQ precipitation

/Grid/IRprecipitation=>IRp 0 x,y IR precipitation

/Grid/precipitationCal=>Calp 0 x,y cal precipitation

/Grid/precipitationUncal=>Uncalp 0 x,y uncal precipitation

/Grid/randomError=>error 0 x,y random error

endvars


the display only works up to t=3 and is undefined after wards. Same is the result even if i put
tdef 3 linear 00:00Z15Aug2015 30mn. please help
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--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
George Mason University



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