[gradsusr] Grads cannot open MERRA HDF file

[Jennifer Adams]

On Jul 5, 2012, at 2:14 PM, You, Yalei wrote:

> Dear Jennifer,
> 
> Thank you so much for the help.
> 1. I am trying to get HDF4.2r3, but look likes I cannot ftp the file, Here is what I did:
> ***********
> ftp iges.org
> *********** 
> Connected to iges.org.
> 500 OOPS: cannot change directory:/web/colaftp
> ftp> 
> 
> Also, when I click" local copy of source code", it asks the name and passcode, I put "anynomous", it won't work.

Oops, I have to update supplibs.html. Our ftp server has moved. Try this instead -- ftp://cola.gmu.edu/grads/Supplibs/2.0/src/HDF4.2r3.tar.gz

> 
> 2. The Grads on my pc come with Ubuntu, so I guess it is not easy to change the default software. Do you know any version of Grads which can read hdf4, that way I can install it on my pc.

Did you try ftp://cola.gmu.edu/grads/2.0/grads-2.0.1-bin-i686-pc-linux-gnu.tar.gz  (for 32-bit linux)?


> 
> Thanks again.
> 
> Yalei
> 
> From: gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on behalf of Jennifer Adams [jma at cola.iges.org]
> Sent: Thursday, July 05, 2012 1:48 PM
> To: GrADS Users Forum
> Subject: Re: [gradsusr] Grads cannot open MERRA HDF file
> 
> Your build is not enabled to handle hdf4 files, only hdf5. Please have a look at http://iges.org/grads/gadoc/supplibs.html for help on building HDF4.2r3. 
> --Jennifer
> 
> On Jul 5, 2012, at 12:51 PM, You, Yalei wrote:
> 
>> Thank you very much.
>> 
>> Here is the information after I use "q config", also I posted the information after I typed grads under Ubuntu
>> ***********************************************
>> Grid Analysis and Display System (GrADS) Version 2.0.a9
>> Copyright (c) 1988-2010 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.a9 little-endian readline printim grib2 netcdf hdf5 shapefile
>> Issue 'q config' command for more detailed configuration information
>> Landscape mode? ('n' for portrait):  
>> GX Package Initialization: Size = 11 8.5 
>> 
>> ga-> q config
>> Config: v2.0.a9 little-endian readline printim grib2 netcdf hdf5 shapefile
>> Grid Analysis and Display System (GrADS) Version 2.0.a9
>> Copyright (c) 1988-2010 by Brian Doty and the
>> Institute for Global Environment and Society (IGES) 
>> This program is distributed WITHOUT ANY WARRANTY 
>> See file COPYRIGHT for more information. 
>> 
>> Built Tue May 31 08:58:09 UTC 2011 for i686-pc-linux-gnu
>> 
>> This version of GrADS has been configured with the following options:
>>   o Built on a LITTLE ENDIAN machine
>>   o Athena Widget GUI DISABLED
>>   o Command line editing ENABLED 
>>       http://tiswww.case.edu/php/chet/readline/rltop.html 
>>   o printim command for image output ENABLED 
>>       http://www.zlib.net 
>>       http://www.libpng.org/pub/png/libpng.html 
>>       http://www.libgd.org/Main_Page 
>>   o GRIB2 interface ENABLED 
>>       http://www.ijg.org 
>>       http://www.ece.uvic.ca/~mdadams/jasper 
>>       http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2 
>>       g2clib-1.2.2  
>>   o NetCDF interface ENABLED 
>>       http://www.unidata.ucar.edu/software/netcdf  
>>       netcdf 4.1.1 of Sep 11 2011 12:47:31 $  
>>   o OPeNDAP gridded data interface DISABLED
>>   o OPeNDAP station data interface DISABLED
>>   o HDF5 interface ENABLED 
>>       http://hdfgroup.org 
>>       HDF5 1.8.4 
>>   o GeoTIFF and KML/TIFF output DISABLED
>>   o KML contour output ENABLED
>>   o Shapefile interface ENABLED
>>       http://shapelib.maptools.org 
>> 
>> For additional information please consult http://iges.org/grads
>> 
>> 
>> From: gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on behalf of Jennifer Adams [jma at cola.iges.org]
>> Sent: Thursday, July 05, 2012 12:40 PM
>> To: GrADS Users Forum
>> Subject: Re: [gradsusr] Grads cannot open MERRA HDF file
>> 
>> I downloaded the file and was able to open it with sdfopen without any problems. Based on these clues:
>> 
>>> Open Error:  Data file type invalid
>>>  --> The invalid description file record is:
>>>  --> DTYPE hdfsds
>> 
>>> Attempt to use feature that was not turned on when netCDF was built.
>> 
>> I believe the problem lies in your particular GrADS build, especially the hdf library. Can you send the output from 'q config'? 
>> --Jennifer
>> 
>> 
>> 
>> 
>> --
>> Jennifer M. Adams
>> IGES/COLA
>> 4041 Powder Mill Road, Suite 302
>> Calverton, MD 20705
>> jma at cola.iges.org
>> 
>> 
>> 
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
> 
> --
> Jennifer M. Adams
> IGES/COLA
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705
> jma at cola.iges.org
> 
> 
> 
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr

--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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