Re: Creating .nc files

Hi Dennis,

Thanks for the explanation!

Rosa

> "tbnds" .... I speculate it refers to temporal bounds.
> The CF netCDF convention has a section on "Data
> Representative of Cells"
>
> [
> http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.0/ ]
>
> Specifically, see
>
> [
> http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.0/ch07.html ]
>
> D
> Rosa Maria Nascimento dos Santos wrote:
>> Hi Mary,
>>
>> It's working! I'll just have to make some ajustments in "time" dimension
>> because it's showing only zeros, but the data are there!
>>
>> Thanks again,
>>
>> Rosa
>> P.S.: Can you tell me what is the dimension "tbnds" which appears when
>> using "ncdump" in .nc files?!
>>
>>
>>
>>> Hi Rosa,
>>>
>>> Perhaps the files being written do are not being closed properly.
>>> Right before the very last "end do", try adding the line:
>>>
>>> delete(ncdf)
>>>
>>> Deleting the variable may force the file to close properly (Dave or
>>> Rick, let me know if I'm wrong on this). I can't imagine what
>>> else may be wrong.
>>>
>>> Also, you have some places in your script that you can clean up a
>>> little. It's not necessary to use ":" type syntax if you are using
>>> the whole variable. It is more expensive to use this syntax as well.
>>>
>>> Thus, lines like:
>>>
>>> latitude = f->lat(:)
>>> lon = f->lon(:)
>>> level=f->lev(:)
>>>
>>> Should be changed to:
>>>
>>> latitude = f->lat
>>> lon = f->lon
>>> level=f->lev
>>>
>>>
>>> Also:
>>>
>>> Q_sat(:,:,:,:) =
>>> 0.622*(sat_vap_pressure(:,:,:,:)/(pressure(:,:,:,:)-0.378*s\
>>> at_vap_pressure(:,:,:,:)))
>>>
>>> RH(:,:,:,:) = (spec_hum(:,:,:,:)/Q_sat(:,:,:,:))*100.0
>>>
>>> should be changed to:
>>>
>>> Q_sat = 0.622*(sat_vap_pressure/(pressure-0.378*sat_vap_pressure))
>>>
>>> RH = (spec_hum/Q_sat)*100.0
>>>
>>> Finally, the code:
>>>
>>> do j = 0, dimsizes(level)-1
>>> pressure(:,j,:,:) = level(j)
>>> end do
>>>
>>>
>>> can be rewritten using "conform":
>>>
>>> pressure = conform(pressure,level,1)
>>>
>>> Cheers,
>>>
>>> --Mary
>>>
>>>
>>> On Mon, 16 Jul 2007, Rosa Maria Nascimento dos Santos wrote:
>>>
>>>
>>>> Hi,
>>>>
>>>> I'm still having problems creating .nc files with NCL! I've created
>>>> the
>>>> file variables using "filevardef","filedimdef", and
>>>> "filevarattdef". The problem is that NCL is creating the file that I
>>>> want
>>>> but it isn't writing the variables into the file. That's weird! I'm
>>>> sending the script attached, if anyone could take a look at it?!
>>>>
>>>> Thanks,
>>>>
>>>> Rosa
>>>>
>>>> --
>>>> Rosa Maria Nascimento dos Santos
>>>> Doutora em Meteorologia
>>>> LBA/INPA
>>>> Tel: +55 92 36433623
>>>> e-mail: rosasto_at_inpa.gov.br
>>>> rosa_sto_at_yahoo.com
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Rosa Maria Nascimento dos Santos
>>>> Doutora em Meteorologia
>>>> LBA/INPA
>>>> Tel: +55 92 36433623
>>>> e-mail: rosasto_at_inpa.gov.br
>>>> rosa_sto_at_yahoo.com
>>>>
>>
>>
>>
>
>
> --
> ======================================================
> Dennis J. Shea tel: 303-497-1361 |
> P.O. Box 3000 fax: 303-497-1333 |
> Climate Analysis Section |
> Climate & Global Dynamics Div. |
> National Center for Atmospheric Research |
> Boulder, CO 80307 |
> USA email: shea 'at' ucar.edu |
> ======================================================
>
>

-- 
Rosa Maria Nascimento dos Santos
Doutora em Meteorologia
LBA/INPA
Tel: +55 92 36433623
e-mail: rosasto_at_inpa.gov.br
        rosa_sto_at_yahoo.com
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