findcut: Find intersection or complement

In geo: Draw and Annotate Maps, Especially Charts of the North Atlantic

Description

Find intersection or compliment of two polygons.

Usage

findcut(x, xb, in.or.out)

Arguments

x	Polygon
xb	Polygon to intersect with/complement from
in.or.out	Whether to take intersect of x and xb (0) or complement of x in xb (1). Default 0.

Value

Returns a list of

x, y	Coordinate of intersect or compliment
nxr	Number/index of returned coordinates in xb (?)

Note

Needs elaboration.

See Also

Called by cut_multipoly, geointersect and reitaplott; calls find.hnit and geoinside.

geo documentation built on May 29, 2017, 5:36 p.m.