Re: file dimensions

From: Michael Notaro <mnotaro_at_nyahnyahspammersnyahnyah>
Date: Tue, 05 May 2009 14:08:01 -0500

Dave,

But levsoi is not a dimension of any of the variables
on the file. It is an unused attribute.

Perhaps I don't need it anyhow for the model.

Mike

On May 5, 2009, at 2:03 PM, David Brown wrote:

> Hi Mike,
> You can use getvardims to retrieve the dimension names from a file
> variable and
> getfiledimsizes to get the sizes of each dimension. See example 2
> of the getvardims doc.
> -dave
>
> On May 5, 2009, at 12:38 PM, Michael Notaro wrote:
>
>> I am trying to open a CLM restart file, retrieve its contents,
>> and write it again to a new identical file (later I will be modifying
>> a couple of the variables).
>>
>> I tried the approach below. It creates a nearly identical file.
>> However, the levsoi and string_length dimensions (which
>> are unused by any variable) are lost.
>>
>> I'm not sure if the model needs those to be present. Assuming
>> it does, how can I retrieve those dimensions from the first
>> file and pass them to the new file?
>>
>> Thanks, Mike
>>
>>
>> a=addfile("b35.012mons1.clm2.r.2193-01-01-00000.nc","r")
>> system("rm b35.012mons1.clm2.r.2193-01-01-00000.new.nc")
>> out=addfile("b35.012mons1.clm2.r.2193-01-01-00000.new.nc","c")
>> names=getfilevarnames(a)
>> numb=dimsizes(names)
>> do i=0,numb-1
>> v = a->$names(i)$
>> out->$names(i)$ = v
>> delete(v)
>> end do
>>
>>
>> From ncdump...
>>
>> dimensions:
>> gridcell = 5674 ;
>> landunit = 6080 ;
>> column = 6080 ;
>> pft = 41900 ;
>> levsoi = 10 ;
>> levlak = 10 ;
>> levsno = 5 ;
>> levtot = 15 ;
>> numrad = 2 ;
>> rtmlon = 720 ;
>> rtmlat = 360 ;
>> string_length = 64 ;
>> etc...
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Received on Tue May 05 2009 - 13:08:01 MDT

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