redlistr (version 1.0.1)

makeEOO: Creates Extent of occurrence (EOO) Polygon

Description

makeEOO creates a minimum convex polygon enclosing all occurrences of the provided data

Usage

makeEOO(input.data)

Arguments

input.data

Object of an ecosystem or species distribution. Accepts either raster or spatial points formats. Please use a CRS with units measured in metres.

Value

An object of class SpatialPolygons representing the EOO of input.data. Also inherits its CRS.

References

Bland, L.M., Keith, D.A., Miller, R.M., Murray, N.J. and Rodriguez, J.P. (eds.) 2016. Guidelines for the application of IUCN Red List of Ecosystems Categories and Criteria, Version 1.0. Gland, Switzerland: IUCN. ix + 94pp. Available at the following web site: https://iucnrle.org/

See Also

Other EOO functions: getAreaEOO

Examples

# NOT RUN {
crs.UTM55S <- '+proj=utm +zone=55 +south +ellps=WGS84 +datum=WGS84 +units=m +no_defs'
r1 <- raster(ifelse((volcano<130), NA, 1), crs = crs.UTM55S)
extent(r1) <- extent(0, 6100, 0, 8700)
EOO.polygon <- makeEOO(r1)
# }