coords2Polygons | R Documentation |
SpatialPolygons*
Create a SpatialPolygons*
object from a Polygon
object or set of point
coordinates in one go, i.e. without being required to run through the single
steps outlined in sp::SpatialPolygons()
.
## S4 method for signature 'matrix' coords2Polygons(coords, hole = NA, ID, data, match.ID = TRUE, ...) ## S4 method for signature 'Polygon' coords2Polygons(coords, ID, data, match.ID = TRUE, ...)
coords |
|
hole |
|
ID |
|
data |
|
match.ID |
|
... |
Further arguments passed on to |
If 'data' is missing, a SpatialPolygons
object; else a
SpatialPolygonsDataFrame
object.
library(sp) coords1 <- cbind(c(2, 4, 4, 1, 2), c(2, 3, 5, 4, 2)) spy1 <- coords2Polygons(coords1, ID = "A") coords2 <- cbind(c(5, 4, 2, 5), c(2, 3, 2, 2)) spy2 <- coords2Polygons(coords2, ID = "B") plot(spy1, col = "grey75") plot(spy2, col = "grey25", add = TRUE)
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