Re: Suitable interpolation method for this case?

poisson_grid_fill:

http://www.ncl.ucar.edu/Document/Functions/Built-in/poisson_grid_fill.shtml

---
http://www.ncl.ucar.edu/Applications/grid_fill.shtml
---
You will need to replace the NaN values.
replace_ieeenan:
http://www.ncl.ucar.edu/Document/Functions/Built-in/replace_ieeenan.shtml
On 5/27/13 3:18 AM, jingmin li wrote:
> Hello,
>
> I have a variable which have all NaN value over land (see Figure 1). I
> would like to ask if there are any Ncl interpolation method which can do
> interpolation for the missing vaules over land based on its values over
> sea?  The goal is to get data for the variable all over the global
> (simular as in Figure2).
>
> Thanks!
> Jingmin
>
>
>
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