[gradsusr] SDF file error: does not have non-coordinate variables

[James T. Potemra]

Hi Gary,

You are likely having problems because of the extra dimensions on your 
variables, specifically "copy" and "vert" (the good file has 
var(time,lat,lon) while the bad file has var(time,copy,vert,lat,lon).  
You might be able to use a control file and map "vert" to ZDEF and 
"copy" to ensemble or something like that.

Jim


On 6/30/16 2:14 PM, Love, Mr. Gary, Contractor, Code 7542 wrote:
> I have seen this problem reported earlier in the grads forum, but no clear
> solution has emerged.
>
> I'm using 2.0.2 on platform: Linux 2.6.32.59-0.7-default #1 SMP 2012-07-13
> 15:50:56 +0200 x86_64 x86_64 x86_64 GNU/Linux
>
> Some .nc files do not open and give an error.
>   gadsdf: SDF file does not have any non-coordinate variables.
>
> No script is being used. This occurs at the command line when attempting to
> sdfopen the file.
>
> The results from ncdump -h for the bad file and a similar good file appear
> below..
>
> The issue may be related to the "copy" variable.
>
> Thanks for any advice, I did not write these files but have access to the
> author who doesn't know what the problem is either.
>
> Gary Love
> NRL Monterey, CA
>
> BAD FILE
> _______
> netcdf ENAAPS_2013080200_24hr {
> dimensions:
> 	lat = 180 ;
> 	lon = 360 ;
> 	vert = 25 ;
> 	copy = 12 ;
> 	time = 2 ;
> variables:
> 	int time(time) ;
> 		time:units = "seconds since 2013-08-02 00:00:00" ;
> 		time:standard_name = "time" ;
> 	int forecast_reference_time ;
> 		forecast_reference_time:units = "seconds since 1970-01-01
> 00:00:00" ;
> 		forecast_reference_time:standard_name =
> "forecast_reference_time" ;
> 	float lat(lat) ;
> 		lat:units = "degrees_north" ;
> 		lat:long_name = "latitude" ;
> 	float lon(lon) ;
> 		lon:units = "degrees_east" ;
> 		lon:long_name = "longitude" ;
> 	float sigma(vert) ;
> 		sigma:units = "sigma_level" ;
> 		sigma:long_name = "mid-level sigma b" ;
> 	float height(time, copy, vert, lat, lon) ;
> 		height:units = "m" ;
> 		height:long_name = "elevation above surface" ;
> 	float pressure(time, copy, vert, lat, lon) ;
> 		pressure:units = "hPa" ;
> 		pressure:long_name = "mid-level Pressure" ;
> 	float ABF_mass_concentration(time, copy, vert, lat, lon) ;
> 		ABF_mass_concentration:units = "ug/m^3" ;
> 		ABF_mass_concentration:long_name = "Anthropogenic and
> Biogenic fine mass concentration" ;
> 	float dust_mass_concentration(time, copy, vert, lat, lon) ;
> 		dust_mass_concentration:units = "ug/m^3" ;
> 		dust_mass_concentration:long_name = "Dust mass
> concentration" ;
> 	float smoke_mass_concentration(time, copy, vert, lat, lon) ;
> 		smoke_mass_concentration:units = "ug/m^3" ;
> 		smoke_mass_concentration:long_name = "Smoke mass
> concentration" ;
> 	float seasalt_mass_concentration(time, copy, vert, lat, lon) ;
> 		seasalt_mass_concentration:units = "ug/m^3" ;
> 		seasalt_mass_concentration:long_name = "Seasalt mass
> concentration" ;
>
> // global attributes:
> 		:Conventions = "CF-1.0" ;
> data:
>
>   time = 0, 86400 ;
>
> }
>
> GOOD FILE
> ________
> netcdf ENAAPS_2013081518_24hr_e1 {
> dimensions:
> 	lat = 180 ;
> 	lon = 360 ;
> 	time = 5 ;
> variables:
> 	int time(time) ;
> 		time:units = "seconds since 2013-08-15 18:00:00" ;
> 		time:standard_name = "time" ;
> 	int forecast_reference_time ;
> 		forecast_reference_time:units = "seconds since 1970-01-01
> 00:00:00" ;
> 		forecast_reference_time:standard_name =
> "forecast_reference_time" ;
> 	float lat(lat) ;
> 		lat:units = "degrees_north" ;
> 		lat:long_name = "latitude" ;
> 	float lon(lon) ;
> 		lon:units = "degrees_east" ;
> 		lon:long_name = "longitude" ;
> 	float total_aod(time, lat, lon) ;
> 	float sulfate_aod(time, lat, lon) ;
> 	float dust_aod(time, lat, lon) ;
> 	float smoke_aod(time, lat, lon) ;
> 	float seasalt_aod(time, lat, lon) ;
>
> // global attributes:
> 		:Conventions = "CF-1.0" ;
> data:
>
>   time = 0, 21600, 43200, 64800, 86400 ;
>
> }
>
>
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