This is clearly a duplicate of your previous post (How can I search the mailing list?).
I think this is a basic task for many geoscientists.
I did not make the effort to understand Simon Clift smarter approach.
But I already implemented a quick solution using a switch for the two use cases.
May I submit a pull request?


On Wed, Sep 18, 2019 at 12:47 PM Dieter Werthmüller <Dieter@werthmuller.org> wrote:
Edouard,

I think this thread touched on that a bit:
https://mail.python.org/pipermail/scipy-dev/2019-May/023540.html

So Simon Clift might have already some functional code for that which
could serve as a starting point.

I personally would be certainly interested in the functionality.

Dieter


On 18/09/2019 11:50, Edouard Goudenhoofdt wrote:
> Dear scipy developers,
>
> One could use /scipy.interpolate.RegularGridInterpolator/ at different
> times with different values but the same source grid and target points.
> Currently this would recompute the indices each time the function is called.
> I would like to add the possibility to provide the target points at
> initialisation and the values when calling the object.
>
> Best regards,
>
> Edouard Goudenhoofdt
> //
>
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