findNeighbor: findNeighbor a lower-level helper function

In MarcoDVisser/FDPtools: Optimized tools for working with forest dynamics plot data

Description

Wrapper function which calls some underlying C code and returns a matrix with 1 or 0 indicating whether the distance between the points is smaller or equal to radius or within an annulus.

Usage

findNeighbor(x1, y1, x2, y2, radius, annulus = NULL)

Arguments

x1	x coordinates of points
y1	y coordinates of points
x2	reference point x coordinate
y2	reference point y coordinate
radius	radius with which to test distance
annulus	radii of the two concentric annulus circles. The smallest radius if the first element.

Author(s)

Marco D. Visser

MarcoDVisser/FDPtools documentation built on May 7, 2019, 2:49 p.m.