Polygon-class: Class "Polygon"

Description Objects from the Class Slots Extends Methods Author(s) See Also

Description

class for spatial polygon

Objects from the Class

Objects can be created by calls to the function Polygon

Slots

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

Extends

Class "Line", directly.

Methods

No methods defined with class "Polygon" in the signature.

Author(s)

Roger Bivand

See Also

Polygons-class, SpatialPolygons-class


sp documentation built on Jan. 13, 2021, 12:09 p.m.