createGrid: Create empty Area of Occupancy (AOO) Grid.

Description Usage Arguments Value Author(s) References See Also

View source: R/AOO_functions.R


createGrid produces empty grid which can be used as the basis to help compute AOO.


createGrid(, grid.size)


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


A number specifying the width of the desired grid square (in same units as your coordinate reference system)


A regular grid raster with extent and grid size grid.size. Each grid square has a unique identification number.


Nicholas Murray [email protected], Calvin Lee [email protected]


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:

See Also

Other AOO functions: getAOOSilent, getAOO, makeAOOGrid

nick-murray/redlistr documentation built on Nov. 3, 2018, 5:18 a.m.