SpatialRings {sp}R Documentation

create objects of class SpatialRings or SpatialRingsDataFrame

Description

create objects of class SpatialRings or SpatialRingsDataFrame from lists of Srings objects and data.frames

Usage

 
Sring(coords, proj4string=CRS(as.character(NA)), hole=as.logical(NA))
Srings(srl, ID)
SpatialRings(Srl, pO = 1:length(Srl))
SpatialRingsDataFrame(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 ring as hole or not
srl list with Sring-class objects
ID character vector of length one with identifier
Srl list with objects of class Srings-class
pO integer vector; plotting order
Sr object of class SpatialRings-class
data object of class data.frame; the number of rows in data should equal the number of Srings-class objects in Sr
match.ID logical: (default TRUE): match SpatialRings member Srings ID slot values with data frame row names, and re-order the data frame rows if necessary

Value

Sring returns an object of class Sring; Srings returns an object of class Srings; SpatialRings returns object of class SpatialRings; SpatialRingsDataFrame returns object of class SpatialRingsDataFrame

See Also

SpatialRings-class, SpatialRingsDataFrame-class

[Package sp version 0.7-8 Index]