Manuel, You can use overlay methods in sp or, in raster, one of: linesToRaster, polygonsToRaster, or pointsToRaster.
This: cob = raster(cobertura) returns an 'empty' raster with the same extent as cobertura. Robert On Fri, Oct 29, 2010 at 4:18 PM, Manuel Spínola <mspinol...@gmail.com> wrote: > Dear list members, > > How I make a raster file from a shapefile? > > I tried this, but I don't think is right. Also, I lost the projection in > the raster "cob", why? > >> cob = raster(cobertura) # cobertura is a shapefile >> plot(cob) > Error en .plotraster(x, col = col, maxpixels = maxpixels, ...) : > no values associated with this RasterLayer > > Best, > > Manuel > > [[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 > _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
