[gradsusr] how to open he5 data in grads

[James E. Johnson]

On Friday, March 09, 2012 05:25:31 am Midhun M wrote:
> I need to open multiple he5 files in grads.  If anybody know how  to use
> template option for multiple he5 file please help me.
> 
> datasets can be obtained at
> ftp://l4ftl01.larc.nasa.gov/tesl1l2l3/TES/TL3HDOM.002/2004.09.03/TES-Aura_L
> 3-HDO-M2004m09_F01_07.he5
> ftp://l4ftl01.larc.nasa.gov/tesl1l2l3/TES/TL3HDOM.002/2004.10.09/TES-Aura_
> L3-HDO-M2004m10_F01_07.he5
> ftp://l4ftl01.larc.nasa.gov/tesl1l2l3/TES/TL3HDOM.002/2004.11.04/TES-Aura_
> L3-HDO-M2004m11_F01_07.he5
> 
> regards,

You need to write a GrADS .ctl file to read the data. Here is a .ctl that will 
read them:

---------- tesl3hdo.ctl --------------
DSET ^TES-Aura_L3-HDO-M%y4m%m2_F01_07.he5
OPTIONS template
DTYPE hdf5_grid
TITLE TES L3 Monthly Deuterated Water (HDO) Collection 002 (F01_07)
UNDEF -999.0 _FillValue
XDEF 90 linear -180 4.0
YDEF 83 linear -82 2.0
ZDEF 15 levels 825.402, 681.291, 464.16, 316.227, 215.444, 146.779,
               100, 68.1295, 46.4158, 31.6229, 21.5443, 14.678, 10,
               6.81291, 4.6416
TDEF 200 linear jul2004 1mo
VARS 10
/HDFEOS/GRIDS/NadirGrid/Data~Fields/HDO=>hdo                         15  x,y,z  
HDO mixing ratio profile
/HDFEOS/GRIDS/NadirGrid/Data~Fields/HDOStdDeviation=>hdosd           15  x,y,z  
HDO mixing ratio profile standard deviation
/HDFEOS/GRIDS/NadirGrid/Data~Fields/HDOMinimum=>hdomn                15  x,y,z  
HDO mixing ratio profile minimum
/HDFEOS/GRIDS/NadirGrid/Data~Fields/HDOMaximum=>hdomx                15  x,y,z  
HDO mixing ratio profile maximum
/HDFEOS/GRIDS/NadirGrid/Data~Fields/HDODataCount=>hdoct              15  x,y,z  
HDO mixing ratio profile number
/HDFEOS/GRIDS/NadirGrid/Data~Fields/TotalColumnDensity=>totden        0  x,y    
HDO total column density
/HDFEOS/GRIDS/NadirGrid/Data~Fields/TotColDensStdDeviation=>totdensd  0  y,x    
HDO total column density standard deviation
/HDFEOS/GRIDS/NadirGrid/Data~Fields/TotColDensMinimum=>totdenmn       0  y,x    
HDO total column density minimum
/HDFEOS/GRIDS/NadirGrid/Data~Fields/TotColDensMaximum=>totdenmx       0  y,x    
HDO total column density maximum
/HDFEOS/GRIDS/NadirGrid/Data~Fields/TotColDensDataCount=>totdenct     0  y,x    
HDO total column density number
ENDVARS
---------- tesl3hdo.ctl --------------

start grads (make sure it is version 2.0.a7 or higher for HDF5 support)
$ grads

Grid Analysis and Display System (GrADS) Version 2.0.0
Copyright (c) 1988-2011 by Brian Doty and the
Institute for Global Environment and Society (IGES)
GrADS comes with ABSOLUTELY NO WARRANTY
See file COPYRIGHT for more information

Config: v2.0.0 little-endian readline printim grib2 netcdf hdf4-sds hdf5 
opendap-grids,stn athena geotiff shapefile
Issue 'q config' command for more detailed configuration information
Landscape mode? ('n' for portrait):  
GX Package Initialization: Size = 11 8.5 
ga-> open tesl3hdo
Scanning description file:  tesl3hdo
Data file TES-Aura_L3-HDO-M%y4m%m2_F01_07.he5 is open as file 1
LON set to 0 360 
LAT set to -82 82 
LEV set to 825.402 825.402 
Time values set: 2004:7:1:0 2004:7:1:0 
E set to 1 1 
ga-> set lon -180 180
LON set to -180 180 
ga-> set time oct2004
Time values set: 2004:10:1:0 2004:10:1:0 
ga-> set gxout grfill
ga-> set z 2
LEV set to 681.291 681.291 
ga-> d hdo

you should have a plot of HDO at 681 hPa pressure level.

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| James E. Johnson                      | address:                           |
| Wyle Information Systems, Inc.        |  NASA Goddard Space Flight Center  |
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