Dear All,

I have been using the crop function in the raster package, but haven't
figured out yet how this function deals with pixels that falls on the edge
of a polygon.

Thanks,

Paulo

On Thu, Oct 14, 2010 at 12:42 PM, Manuel Spínola <mspinola10@gmail.com>wrote:

>  Thank you very much Robert.
> That's works perfect.
>
> Manuel
>
> On 14/10/2010 10:21 a.m., Robert J. Hijmans wrote:
> > Manuel,
> >
> > if "costarica" is a SpatialPolygons* object, you can do:
> >
> > r<- raster("bio1_23.bil")
> > cr<- crop(r, costarica)
> >
> > Robert
> >
> > On Thu, Oct 14, 2010 at 8:16 AM, Manuel Spínola<mspinola10@gmail.com>
>  wrote:
> >>   Dear list members,
> >>
> >> I download bioclim data in a raster format (estension: .bil) and I would
> >> like to clip the variables to a ploygon stored as a shapefile (Costa
> >> Rica outline).
> >> How can I do that?
> >>
> >> I read the raster file like this:
> >>
> >> x<- readGDAL("bio1_23.bil")
> >>
> >> Thank you very much in advance.
> >> Best,
> >>
> >> Manuel
> >>
> >>
> >> --
> >> *Manuel Spínola, Ph.D.*
> >> Instituto Internacional en Conservación y Manejo de Vida Silvestre
> >> Universidad Nacional
> >> Apartado 1350-3000
> >> Heredia
> >> COSTA RICA
> >> mspinola@una.ac.cr
> >> mspinola10@gmail.com
> >> Teléfono: (506) 2277-3598
> >> Fax: (506) 2237-7036
> >> Personal website: Lobito de río
> >> <https://sites.google.com/site/lobitoderio/>
> >> Institutional website: ICOMVIS<http://www.icomvis.una.ac.cr/>
> >>
> >>         [[alternative HTML version deleted]]
> >>
> >>
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> >>
> >>
>
>
> --
> *Manuel Spínola, Ph.D.*
> Instituto Internacional en Conservación y Manejo de Vida Silvestre
> Universidad Nacional
> Apartado 1350-3000
> Heredia
> COSTA RICA
> mspinola@una.ac.cr
> mspinola10@gmail.com
> Teléfono: (506) 2277-3598
> Fax: (506) 2237-7036
> Personal website: Lobito de río
> <https://sites.google.com/site/lobitoderio/>
> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/>
>
>        [[alternative HTML version deleted]]
>
>
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