I totally agree with Stephen.
If you need more and more raster processing, it is time to think on GRASS (i
do this)
and also give a look at SAGA. Two packages to connect GRASS and SAGA to
R is spgrass6 and RSAGA, respectively.

Enjoy.

milton

On Fri, Jul 31, 2009 at 4:15 PM, stephen sefick <ssefick@gmail.com> wrote:

> Have a look at the spatial task view.  I use GRASS GIS for raster
> processing, and maybe this would be helpful-http://grass.osgeo.org/.
> hth,
>
> Stephen Sefick
>
> On Fri, Jul 31, 2009 at 1:21 PM, Jason Robinson<litobrancha@yahoo.com>
> wrote:
> >
> > I need to do some raster algebra on some large rasters.  right now they
> are ascii files.  I'm a complete R novice.  Can anyone point me towards a
> good source for figuring out how to get my data into R and how to do very
> simple raster manipulations?  no advice is too simple for this guy.
>  appreciate any help that is out there
> >
> > Jason Robinson
> >
> > _______________________________________________
> > R-sig-Geo mailing list
> > R-sig-Geo@stat.math.ethz.ch
> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> >
>
>
>
> --
> Stephen Sefick
>
> Let's not spend our time and resources thinking about things that are
> so little or so large that all they really do for us is puff us up and
> make us feel like gods.  We are mammals, and have not exhausted the
> annoying little problems of being mammals.
>
>                                                                -K. Mullis
>
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>

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