integer array; values are:
0: point is strictly exterior to pol;
1: point is strictly interior to pol;
2: point lies on the relative interior of an edge of pol;
3: point is a vertex of pol.

Arguments

point.x

numerical array of x-coordinates of points

point.y

numerical array of y-coordinates of points

pol.x

numerical array of x-coordinates of polygon

pol.y

numerical array of y-coordinates of polygon

mode.checked

default FALSE, used internally to save time when all the other argument are known to be of storage mode double

References

Uses the C function InPoly(). InPoly is Copyright (c) 1998 by
Joseph O'Rourke. It may be freely redistributed in its entirety
provided that this copyright notice is not removed.