Polygon-class.Rd
class for spatial polygon
Objects can be created by calls to the function Polygon
ringDir
:Object of class "integer"
; the ring direction of the ring (polygon) coordinates, holes are expected to be anti-clockwise
labpt
:Object of class "numeric"
; an x, y coordinate pair forming the label point of the polygon
area
:Object of class "numeric"
; the planar area of the polygon, does not respect projection as objects of this class have no projection defined
hole
:Object of class "logical"
; does the polygon seem to be a hole
coords
:Object of class "matrix"
; coordinates of the polygon;
first point should equal the last point
Class "Line"
, directly.
No methods defined with class "Polygon" in the signature.