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Re: [idvusers] [Q] No gridded data found for ...

Thank you, Christopher & Don.

Adding the "positive" attribute to the vertical dimension fixes the problem! :)


Jiwon




On Mon, Apr 25, 2011 at 3:03 PM, Don Murray <Don.Murray@xxxxxxxx> wrote:
> Hello Jiwon-
>
> You need to add the "positive" attribute to the vertical dimension. See this
> section of the CF Manual:
>
> http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.5/cf-conventions.html#vertical-coordinate
>
> If you place the attached NcML file in the same location as the netcdf file,
> you can open that in the IDV.  It uses NcML to add in that attribute.
>
> Good luck.
>
> Don
>
> On 4/25/11 3:23 PM, Jiwon Seo wrote:
>>
>> I'm a beginner of NetCDF and IDV.
>>
>> I just created a simple NetCDF file, but when I tried to read this file
>> into
>> IDV, I got an error message "No gridded data found for ..."
>> This simple NetCDF file passes a CF compliance checker.
>>
>> Here is the complete .nc file (117KB).
>> http://www.stanford.edu/~jwseo/public/myfirstcdffile.nc
>> Please check this .nc file and give me some feedback.
>>
>>
>> netcdf myfirstcdffile {
>> dimensions:
>>         longitude = 37 ;
>>         latitude = 19 ;
>>         altitude = 6 ;
>>         time = 7 ;
>> variables:
>>         int longitude(longitude) ;
>>                 longitude:standard_name = "longitude" ;
>>                 longitude:units = "degrees_east" ;
>>         int latitude(latitude) ;
>>                 latitude:standard_name = "latitude" ;
>>                 latitude:units = "degrees_north" ;
>>         int altitude(altitude) ;
>>                 altitude:standard_name = "altitude" ;
>>                 altitude:units = "m" ;
>>         float time(time) ;
>>                 time:standard_name = "time" ;
>>                 time:units = "days since 1900-01-01 0:0:0" ;
>>                 time:calendar = "standard" ;
>>         float ne(time, altitude, latitude, longitude) ;
>>                 ne:standard_name = "air_density" ;
>>                 ne:units = "kg m-3" ;
>>                 ne:_FillValue = -9999.99f ;
>>
>> // global attributes:
>>                 :title = "My first netcdf file" ;
>>                 :Conventions = "CF-1.4" ;
>>                 :Conventions_help = "
>> http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.4/cf-conventions.html";
>> ;
>>                 :CreationDate = "2011/04/22 18:23:13" ;
>> }
>>
>>
>> Thank you!
>> Jiwon
>> _______________________________________________
>> idvusers mailing list
>> idvusers@xxxxxxxxxxxxxxxx
>> For list information, to unsubscribe, visit:
>> http://www.unidata.ucar.edu/mailing_lists/
>
> --
> Don Murray
> NOAA/ESRL/PSD and CIRES
> 303-497-3596
> http://www.esrl.noaa.gov/psd/people/don.murray/
>
> _______________________________________________
> idvusers mailing list
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> For list information, to unsubscribe, visit:
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>



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