Description Usage Arguments Value Author(s) Examples
disaggregate SpatialLines, SpatialLinesDataFrame, SpatialPolygons, or SpatialPolygonsDataFrame objects
1 | disaggregate(x, ...)
|
x |
object of class SpatialLines or SpatialPolygons |
... |
ignored |
object of class SpatialLines or SpatialPolygons, where groups of Line or Polygon are disaggregated to one Line per Lines, or one Polygon per Polygons, respectively.
Robert Hijmans, Edzer Pebesma
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | Sr1 = Polygon(cbind(c(2,4,4,1,2),c(2,3,5,4,2)), hole = FALSE)
Sr2 = Polygon(cbind(c(5,4,2,5),c(2,3,2,2)), hole = FALSE)
Sr3 = Polygon(cbind(c(4,4,5,10,4),c(5,3,2,5,5)), hole = FALSE)
Sr4 = Polygon(cbind(c(5,6,6,5,5),c(4,4,3,3,4)), hole = TRUE)
Srs1 = Polygons(list(Sr1, Sr2), "s1/2")
Srs3 = Polygons(list(Sr3, Sr4), "s3/4")
sp = SpatialPolygons(list(Srs1,Srs3), 1:2)
length(sp) ## [1] 2
length(disaggregate(sp)) ## [1] 3
l1 = cbind(c(1,2,3),c(3,2,2))
l1a = cbind(l1[,1]+.05,l1[,2]+.05)
l2 = cbind(c(1,2,3),c(1,1.5,1))
Sl1 = Line(l1)
Sl1a = Line(l1a)
Sl2 = Line(l2)
S1 = Lines(list(Sl1, Sl1a), ID="a")
S2 = Lines(list(Sl2), ID="b")
sl = SpatialLines(list(S1,S2))
length(sl)
length(disaggregate(sl))
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.