Re: writing and reading character arrays to netCDF

Hi Jonathan,

I have reproduced your problem of have the _FillValue show up as
lower case 'l'
when reading the file into NCL, while ncdump shows it as a null
character.

This is a bug somewhere, probably in NCL. I will investigate.
  -dave

On Mar 5, 2009, at 12:39 PM, Jonathan Vigh wrote:

>
> Greetings,
> I'm using NCL to write out a character array to a netCDF flie and
> then read it back in for processing using a different NCL script.
> Some
> of the time my arrays are all just _FillValue, which I have set to the
> null character. However, if I dump the resulting netCDF file after
> it is
> written, these show up as lower case Ls (e.g. "l"). When I read the
> netCDF file back in using my other script, the _FillValue attribute is
> "l". This causes a warning message because I am trying to assign the
> read data to a multidimensional array which already has a _FillValue
> set to the null character. So I get the warning:
>
> fatal:Attribute assignment type mismatch
>
> Does anyone know about why this is happening? Does netCDF represent
> the
> null character as an "l"?
>
> Thanks,
> Jonathan
>
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Received on Thu Mar 05 2009 - 12:58:34 MST