Re: Subtract arrays having different FillValues

Abhik,

Try removing the assignFillValue and the constructors. This single
command should do what you want:

x(:,:) = x(:,:) - x0(:,:)

If that does not fix the problem, then some other possibilities are
incorrect spelling of the name of the _FillValue attribute, or missing
data values not exactly matching the _FillValue attribute. If you
need more help, please show the COMPLETE printVarSummary for x and x0
BEFORE the subtraction.

Please reply only to the user list!

--Dave

On Tue, May 14, 2013 at 1:47 PM, Abhik Santra
<abhiksantra@tropmet.res.in> wrote:
>
> Dear NCL-users,
>
> I want to subtract one array (x0) from another (x), both having same dimensions (lat,lon) but different FillValues.
> So, I use assignFillValue(x0,x)
> and then x(:,:) = (/ x(:,:) - x0(:,:) /)
>
> But afterward when I am plotting the variable x(:,:), it shows unrealistic high values at those places where x0 contains missing value.
> How can I solve this problem?
> Is there any another way to subtract the arrays with FillValues?
>
> Thanks in advance.
>
> Best wishes,
> Abhik
> ___________________________________________
>
> Abhik Santra
> CSIR Research Fellow,
> Indian Institute of Tropical Meteorology,
> Pune - 411008.
> India
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Received on Tue May 14 14:55:38 2013