[ncl-talk] warning:Attempt to reference attribute (_FillValue) which is undefined

[Rick Brownrigg]

Hi,

It would help to see what you've done regarding _FillValue and what are the
results of the printVarSummary() statements.

Rick

On Tue, Mar 28, 2017 at 9:37 AM, Sri Nandini <snandini at marum.de> wrote:

> Hello All
>
> I have a recurring error of:
> Re: warning:Attempt to reference attribute (_FillValue) which is undefined
> which gives me values of -nan.
>
> No matter how i try to resolve this using ncl online missing values
> definition table: https://www.ncl.ucar.edu/Document/Language/fillval.shtml
>
> or from examples from the Forum: https://www.ncl.ucar.edu/
> Support/talk_archives/2014/1573.html
> https://www.ncl.ucar.edu/Support/talk_archives/2012/1689.html
>
>
> It doesnt seem to work and gives me output of missing values:
>
> Extract from code:
>
>  t4Clm = dim_avg_n_Wrap( t4ann, 2)
>    printVarSummary(t4Clm)                 ; (time,lat)
> print(t4Clm) ;this prints out the numbers/values of temperature
>
>          t4Clm1 = dim_avg_n_Wrap( t4Clm, 1)
>    printVarSummary(t4Clm1)                 ; (time)
> print (t4Clm1)  ;this gives all -nan
>
>
> I use this for my plotting.
>
>
> Much appreciated for any advice.
>
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