terra: which – R documentation

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which

Which cells are TRUE?

Description

This method returns a single layer SpatRaster with cell values that are the first layer in the input that has the value is not zero (FALSE), and, hence, is TRUE.

Usage

## S4 method for signature 'SpatRaster'
which.lyr(x)

Arguments

`x`	SpatRaster

Value

SpatRaster

Examples

s <- rast(system.file("ex/logo.tif", package="terra"))   
x <- which.lyr(s > 100)

terra

Spatial Data Analysis

v1.2-10

GPL (>= 3)

Authors

Robert J. Hijmans [cre, aut] (<https://orcid.org/0000-0001-5872-2872>), Roger Bivand [ctb] (<https://orcid.org/0000-0003-2392-6140>), Karl Forner [ctb], Jeroen Ooms [ctb] (<https://orcid.org/0000-0002-4035-0289>), Edzer Pebesma [ctb] (<https://orcid.org/0000-0001-8049-7069>)

Initial release

2021-05-12