spsample! I looked inside the sp manual a lot of times, without seeing it! :-) Thanks Paul
2008/3/6, Paul Hiemstra <[EMAIL PROTECTED]>: > > 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 > > [[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
