dichotomize: Takes a raster and returns binary representation

In dyerlab/LiDARlicious: Tools for the analysis of lidar data suitable in landscape genetics.

Description

This simple function takes an in put raster and it returns an identical one that has been dichotomized (e.g., values are 0/1).

Usage

dichotomize(x, hi.val = 1, low.val = 0)

Arguments

x	Input raster.
hi.val	Value to assign to non-NA values (default = 1.0)
lo.val	Value to assign to NA values (default = 1.0)

Value

A copy of the raster (including projection) with NA values set to lo.val and non-NA values set to hi.val.

Author(s)

Rodney J. Dyer <[e-mail]>

Examples

library(raster)
x <- matrix( rnorm(25), nrow=5)
x[1,4] <- x[2,4] <- NA
r <- raster( x )
d <- dichotomize(r)
d
values(d)

dyerlab/LiDARlicious documentation built on May 15, 2019, 7:21 p.m.