Milton Cezar Ribeiro wrote: > Dear all, > > I need to get all points for each polygons and save these points in a > data.frame. I tryed to use the slot() function, but I can´t access the > "coords". > > grd <- GridTopology(c(1,1), c(1,1), c(10,10)) > polys <- as.SpatialPolygons.GridTopology(grd) > centroids <- coordinates(polys) > x <- centroids[,1] > y <- centroids[,2] > z <- 1.4 + 0.1*x + 0.2*y + 0.002*x*x > ex_1.7 <- SpatialPolygonsDataFrame(polys, data=data.frame(x=x, y=y, z=z, > row.names=sapply(slot(polys, "polygons"), function(i) slot(i, "ID")))) > ex_1.7.selected<-ex_1.7[1,] > slot(ex_1.7.selected,"coords") > > Any idea? > > Kind regards, > > Miltinho > > > > para armazenamento! > > [[alternative HTML version deleted]] > > > ------------------------------------------------------------------------ > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > probably as.data.frame(spPointsDataFrame) will help look maptools package Jarek
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
