sf (version 0.1)

as.sf: convert foreign object to an sf object

Description

convert foreign object to an sf object

Usage

as.sf(x)

Arguments

x

object to convert

Examples

x = rbind(c(-1,-1), c(1,-1), c(1,1), c(-1,1), c(-1,-1))
x1 = 0.1 * x + 0.1
x2 = 0.1 * x + 0.4
x3 = 0.1 * x + 0.7
y = x + 3
y1 = x1 + 3
y2 = x2 + 3
y3 = x3 + 3
library(sp)
p = Polygons(list( Polygon(x[5:1,]), Polygon(x2), Polygon(y2), Polygon(x3), 
   Polygon(y[5:1,]), Polygon(y1), Polygon(x1), Polygon(y3)), "ID1")
if (require("rgeos")) {
  r = createSPComment(SpatialPolygons(list(p)))
  comment(r)
  comment(r@polygons[[1]])
  scan(text = comment(r@polygons[[1]]), quiet = TRUE)
  library(sf)
  a = as.sf(r)
  summary(a)
}