Class "Polygon"

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 coordinates, holes are expected to be anti-clockwise

labpt:

Object of class "numeric"; an x, y coordinate pair forming the label point of the ring

area:

Object of class "numeric"; the area of the ring

hole:

Object of class "logical"; does the ring 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.

Note

Author(s)

Roger Bivand

References

See Also

Polygons-class, SpatialPolygons-class

Examples