[gradsusr] Clip data with a shapefile

[Jennifer Adams]

Grads does not provide the capability to use shapefiles to mask data values in an analytical way. The elements of a shapefile are handled as graphical elements only. 
--Jennifer


On Feb 24, 2012, at 4:35 AM, Youssef Bennouna wrote:

> Hi all grads users,
> I would like to clip data (in grads format) by a polygon (shapefile). To be more precise, I want to have 0’s (or no data) outside an area defined by a shapefile and original values inside the area, this is in the purpose of doing some statistics. Is there any easy way to do this ?
> Thank you for your help.
>  
> Youssef BENNOUNA
> ETUDES et MESURES les 5 DOMAINES
> www.les5domaines.com
> 80, Rue Oued Ziz - AGDAL, RABAT
> Tel/Fax : +212 (0) 537 68 03 60
> GSM     : +212 (0) 661 10 97 43
>  
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--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



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