polygons-methods function

methods

Retrieve polygons from SpatialPolygonsDataFrame object

Methods for polygons

• obj = "SpatialPolygons": object of, or deriving from, SpatialPolygons
• obj = "SpatialPolygonsDataFrame": object of, or deriving from, SpatialPolygonsDataFrame

Methods for "polygons<-"

• object = "data.frame", value="SpatialPolygons": promote data.frame to object of class SpatialPolygonsDataFrame-class , by specifying polygons