sp (version 0.9-3)

SpatialPolygons: create objects of class SpatialPolygons or SpatialPolygonsDataFrame

Description

create objects of class SpatialPolygons or SpatialPolygonsDataFrame from lists of Polygons objects and data.frames

Usage

Polygon(coords, hole=as.logical(NA))
Polygons(srl, ID)
SpatialPolygons(Srl, pO, proj4string=CRS(as.character(NA)))
SpatialPolygonsDataFrame(Sr, data, match.ID = TRUE)

Arguments

coords
2-column numeric matrix with coordinates; first point (row) should equal last coordinates (row)
proj4string
projection string of class CRS-class
hole
logical value for setting polygon as hole or not
srl
list with Polygon-class objects
ID
character vector of length one with identifier
Srl
list with objects of class Polygons-class
pO
integer vector; plotting order; if missing in reverse order of Polygons area
Sr
object of class SpatialPolygons-class
data
object of class data.frame; the number of rows in data should equal the number of Polygons-class objects in Sr
match.ID
logical: (default TRUE): match SpatialPolygons member Polygons ID slot values with data frame row names, and re-order the data frame rows if necessary

Value

  • Polygon returns an object of class Polygon; Polygons returns an object of class Polygons; SpatialPolygons returns object of class SpatialPolygons; SpatialPolygonsDataFrame returns object of class SpatialPolygonsDataFrame

See Also

SpatialPolygons-class, SpatialPolygonsDataFrame-class