[ncl-talk] when creating a nc file, and assign _FillValue in it, error generated!

[Dennis Shea]

By netCDF rule, the type of _FillValue must match the the type of the
variable with which it is associated.

You have:
   FSDSatt           =    True                  <==type logical
   FSDSatt at _FillValue=9.999E20      <== type float

Hence, 'type mismatch'.

The solution, use

    FSDSatt  = 1.0   <== type float


On Thu, Jan 28, 2016 at 10:43 PM, dyjbean at 163.com <dyjbean at 163.com> wrote:

>
> hi,
>   when i create a nc file with ncl , and assign _FillValue in it, part of
> code shows the following:
> +++++++++++++++++++++++++++++++++++++++++++++
>   filevardef(fout01,"FSDS","float",(/"time","lat","lon"/))
>       FSDSatt           =    True
>       FSDSatt at mode      =    "time-dependent"
>       FSDSatt at units     =    "W/m2"
>       FSDSatt at long_name =    "incident solar (FSDS)"
>       FSDSatt at _FillValue=9.999E20
>       filevarattdef(fout01,"FSDS",FSDSatt)
>    ++++++++++++++++++++++++++++++++++++++++++++
>
> but the error information from the operation shows the below:
>
> ncendef: ncid 131072: NetCDF: Not a valid data type or _FillValue type mismatch
>
> i want to know how to assign _FillValue in nc file in ncl script?
>
> thanks
>
> ------------------------------
> dyjbean at 163.com
>
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