spsample! I looked inside the sp manual a lot of times, without seeing it!
:-)
Thanks Paul

2008/3/6, Paul Hiemstra <p.hiemstra@geo.uu.nl>:
>
> G. Allegri schreef:
>
> > Hello list,
> > I need to create a SpatialPixelDataFrame to do a gaussian simulation
> over an
> > area delimited by a polygon. The object I want to produce is something
> > similar to the "meuse.grid" example.
> > I could do it in Grass, converting first the polygon to raster (with the
> > resolution of the Grass region), and then converting the raster to
> points
> > vector. Then I import it with spgrass6 and "grid" it to SPDF.
> > Is there a more straightforward way to accomplish it totally inside R?
> >
> > Giovanni
> >
>
> >       [[alternative HTML version deleted]]
> >
> > _______________________________________________
> > R-sig-Geo mailing list
> > R-sig-Geo@stat.math.ethz.ch
> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> >
> Hi Giovanni,
>
> You can use spsample() to make a grid within a polygon, use the
> "cellsize =" argument to set the size of your grid cells, e.g.:
>
> grd = spsample(polygon, cellsize = 1e3)
>
> cheers,
> Paul
>
> --
> Drs. Paul Hiemstra
> Department of Physical Geography
> Faculty of Geosciences
> University of Utrecht
> Heidelberglaan 2
> P.O. Box 80.115
> 3508 TC Utrecht
> Phone:     +31302535773
> Fax:    +31302531145
> http://intamap.geo.uu.nl/~paul
>
>

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