sp (version 0.7-10)

rings: sets spatial coordinates to create spatial data, or retrieves spatial coordinates

Description

sets spatial coordinates to create spatial data, or retrieves spatial coordinates

Usage

rings(obj)
	rings(object) <- value

Arguments

obj

object of class "SpatialRingsDataFrame"

object

object of class "data.frame"

value

object of class "SpatialRings"

Value

• rings returns the SpatiaRings of obj; rings<- promotes a data.frame to a SpatialRingsDataFrame object

Examples

data(ncshp)
nc1 <- as.SpatialRings.Shapes(nc.shp$Shapes, as.character(nc.shp$att.data$FIPS))
df <- nc.shp$att.data
rownames(df) <- df$FIPS
rings(df) <- nc1
class(df)