[gradsusr] binary to netCDF conversion problems

[Jennifer Adams]

Hi, Roz -- 
Before you define your variable tsfc, 'set x 1 720'  -- that should solve the problem. 
--Jennifer


On Feb 5, 2013, at 1:07 PM, Rosalyn F Maccracken wrote:

> Dear Users,
> 
> I am trying to convert a binary file to a netCDF4 
> file using sdfwrite.  I have a control file
> which looks like:
> 
> DSET tsfc_3hr_%y4%m2.dat
> OPTIONS TEMPLATE
> UNDEF -1000.
> XDEF 720 LINEAR  -179.75 0.50
> YDEF 360 LINEAR   -89.75 0.50
> ZDEF    1 LEVELS 1000.
> TDEF 8768 LINEAR 00z01Jan2007 3hr
> VARS 1
> tsfc  0   99   
> ENDVARS
> 
> When I do 'q dims', I get:
> Default file number is: 1
> X is varying   Lon = 0 to 360   X = 360.5 to 1080.5
> Y is varying   Lat = -89.75 to 89.75   Y = 1 to 360
> Z is fixed     Lev = 1000  Z = 1
> T is fixed     Time = 00Z01JAN2007  T = 1
> E is fixed     Ens = 1  E = 1
> 
> So, lon should have 720 points, lat should
> have 180 points, and for a 30 day month, there
> should be 248 time steps.
> 
> However, when I use the sdfwrite command:
> 
> open tsfc_3hr.ctl
> set time 00Z01Jan2007 21Z30Jan2007
> define tsfc = tsfc
> set sdfwrite -flt -nc4 <tsfc_file>.nc4
> sdfwrite tsfc
> 
> I get metadata that has the wrong lon
> dimension:
> netcdf tsfc_3hr_Aug1995 {
> dimensions:
> 	lon = 722 ;
> 	lat = 360 ;
> 	time = 248 ;
> (etc)
> 
> So, my questions are, why is the lon dimension 
> wrong and how do I fix this? 
> 
> Thanks,
> Roz
> 
> ********************************
> Rosalyn F. MacCracken, Ph.D.
> Postdoctoral Research Fellow
> Department of Geography and Geoinformation Science
> George Mason University
> Fairfax, VA
> (301) 335-1222
> rmaccrac at gmu.edu
> 
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--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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