Re: [ferret_users] ferret netcdf

[Arindam Chakraborty <arch@xxxxxxxxxxxxxx>]

hi John,
	instead of cancelling junk.nc (which contains your modified 
variable to be renamed as h), cancell the original file (test.nc)

...
use junk.nc
let h=hsmo
can dat 1
list h

hope this works.

----------------------------
 ARINDAM CHAKRABORTY
 Department of Meteorology
 Florida State University
 Tallahassee, FL-32306, USA
 Tel: +001-850-6443524 (Off)
      +001-850-5758550 (Res)
 Fax: +001-850-6449642
____________________________

On Mon, 17 Oct 2005, John Luick wrote:

> Re a recent question I put to the forum, in cae anyone is interested, it 
> has been solved. Seems that with Version 5.51, if you try to write a 
> null string or a logical to a netcdf file, it causes ferret to crash. 
> But if you first re-define them it writes okay. Now I have another problem:
> 
> I want to read in a netcdf file, smooth a 2d variable, and write a new 
> netcdf file with the smoothed variable. The tricky part is doing it 
> without changing the name of the saved variable. For example (highly 
> simplified):
> 
> use test.nc  (contains many variables including "h")
> let hsmo = h[x=@shn:7,y=@shn:7]
> save/clobber/file=junk.nc hsmo
> can var hsmo
> use junk.nc
> let h=hsmo
> can dat junk.nc
> list h (causes error, because h is still associated with hsmo, which was 
> canned - but if you don't can hsmo, then you get a recursion error instead.)
> 
> I could save hsmo, but of course variable names are an important part of 
> netcdf files so it has to be the original name (h). Surely there is  a 
> simple solution just beyond my fingertips.
> 
> Thanks
> 
> John
>  
>