Re: Using political country boundaries / areas to mask a grid

Cyril,

I'm afraid we don't have any standard functions for doing this kind of
thing. It has been requested many times by users, and is on our list
of things to look into.

--Mary

On Thu, 18 Jun 2009, cyril caminade wrote:

> Hello
>
> I'm trying to use the earth3.0 / ezmap dataset to mask a specific country on
> a regular grid
> This is relatively easy to do for a plot (graphic object) using the
> appropriate map ressources to fill / mask a specific country
> How can i use this dataset to check if a specific grid point X(ilat,ilon) is
> included in a specific country and so attribute the country name
> to this specific coordinates
> then i could sort the values like ilat ilon Val Country_name
> or mask a specific area consistent with the political boundaries (then i can
> compute an index or whatever for this specific country)
>
> Thanks for your help
> Cheers
> Cyril
>
>
> --
> Cyril Caminade
> University of Liverpool, Department of Geography, Roxby Building, P.O. Box
> 147, Liverpool, L69 7ZT, UK
> Tel: 00 44 (0)151 794 2567
> http://sites.google.com/site/climatecam/Home
>
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Received on Thu Jun 18 2009 - 10:54:41 MDT