View source: R/reserve-perimeter.r
reserve_perimeter | R Documentation |
Calculate the perimeter of a reserve network
reserve_perimeter(pu, x, units = c("km", "m"))
pu |
raster::RasterStack, sp::SpatialPolygonsDataFrame, or sf::sf object; planning units and representation levels of features as layers (raster inputs) or columns (vector inputs). |
x |
logical or binary; indicator variables specifying which planning units are included. |
units |
character; metapopulation capacity depends on the units used for the areas and distances, this argument determines whether these are measured in meters or kilometers. |
A units
object giving the reserve perimeter in the specified units.
r <- raster::raster(nrows = 10, ncols = 10, crs = "+proj=laea",
vals = sample(0:1, 100, replace = TRUE))
selected <- sample(c(FALSE, TRUE), 100, replace = TRUE, prob = c(0.7, 0.3))
reserve_perimeter(r, selected)
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