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Re: NCVDEF Error
- Subject: Re: NCVDEF Error
- Date: Wed, 29 Dec 2004 14:42:37 -0700
>To: address@hidden
>From: "GOOKYOUNG HEO" <address@hidden>
>Subject: Re: 20041228: NCVDEF Error
>Organization: Center for Energy and Environmental Resources, University of
>Texas at Austin
>Keywords: 200412272308.iBRN8YlI006891
Gookyoung,
> I couldn't still have a netCDF type output from uam2ncf of SMOKE
> (http://www.cmascenter.org/html/models.html).
> The error message was as follows:
> Value for IOAPI_CHECK_HEADERS not defined;returning default: FALSE
> NCVDEF: : Attribute or variable name contains illegal characters
>
> What's the meaning of that error message?
It means you have tried to create a netCDF variable using a name that
contains some special characters such as space, '@', '!', etc. The
names for netCDF variables are much like the names for variables in
Fortran. According to the documentation:
2.1.1 Naming Conventions
The names of dimensions, variables and attributes consist of
arbitrary sequences of alphanumeric characters (as well as
underscore '_', period '.' and hyphen '-'), beginning with a letter
or underscore. (However names commencing with underscore are
reserved for system use.) Case is significant in netCDF names. A
zero-length name is not allowed.
Check that the names you use for netCDF variables don't include
spaces, for example. Although it's not documented, a few other
characters are actually permitted in netCDF names, but most
non-alphanumeric characters are not allowed.
Also, please send questions about netCDF to
"address@hidden" rather than directly to me, so they
will be sent to someone who can answer them even when I'm on vacation.
Thanks.
--Russ
_____________________________________________________________________
Russ Rew UCAR Unidata Program
address@hidden http://www.unidata.ucar.edu/staff/russ
