getting dimension length from a file

Hi,

I have a NetCDF file that has some named dimensions in it whose size I
would like to get inside an NCL script I'm writing.

The catch is that the file doesn't have any variables that contain these
dimensions. Because of this I don't see how I can use getfilevardimsizes
to get the dimension sizes. There are no variables to call it with.

A potentially promising NCL function is getfiledimsizes, which returns
the sizes of all named dimensions in a file. But I don't see how to
connect the dimension sizes returned from getfiledimsizes with
particular dimension names. I don't see a corresponding getfiledimnames
function.

If I were doing this in Fortran, I would use NF_INQ_DIMID and
NF_INQ_DIMLEN, but I don't see how to translate that into NCL.

Anyone see how I get size of a dimension out of a file that doesn't have
a corresponding variable?

Thanks, Keith

-- 
******************************************************************
Keith Lindsay                http://www.cgd.ucar.edu/oce/klindsay/
email: klindsay_at_ucar.edu   phone: 303-497-1722   fax: 303-497-1700
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