r.out.maxent_swd - GRASS GIS manual

Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.

NAME

r.out.maxent_swd - Exports map data as input to MaxEnt in SWD format

KEYWORDS

raster, export, maxent, ecology, niche

SYNOPSIS

r.out.maxent_swd

r.out.maxent_swd --help

r.out.maxent_swd [-z] [alias_input=name] [env_maps=name[,name,...]] [alias_names=string] [bgr_output=name] [alias_output=name] [bgr_mask=name] [species_masks=name[,name,...]] [species_output=name] [species_names=string] [null_value=integer] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

Flags:

-z: Zoom computational region to species data (may speed up processing)
--overwrite: Allow output files to overwrite existing files
--help: Print usage summary
--verbose: Verbose module output
--quiet: Quiet module output
--ui: Force launching GUI dialog

Parameters:

alias_input=name: File containg map and alias name(s) for environmental parameter(s)
env_maps=name[,name,...]: Environmental parameter map(s)
alias_names=string: Alias names for environmental parameter map(s)
bgr_output=name: Output SWD file for the environmental data of the background landscape
alias_output=name: CSV-like output file with alias names in first column and map names in second column, separated by comma
bgr_mask=name: Map to be used as mask for the background landscape
species_masks=name[,name,...]: Raster map(s) of specie occurence
species_output=name: Output SWD file for the specie(s) related environmental data
species_names=string: Alias-name(s) for species to be used in MaxEnt SWD file instead of map names, separated by comma (default: map names).
null_value=integer: Integer representing NO DATA cell value (default: -9999); Default: -9999

DESCRIPTION
SEE ALSO
AUTHOR

DESCRIPTION

The script is intended to produce a set of SWD files as input to MaxEnt >= 3.3.3e using r.stats.

The SWD file format is a simple CSV-like file file format as described in Elith et al. 2011. Generally it looks like:
specie_name,X,Y,parameter_1,parameter_2,...
your_specie,1.1,1.1,2,4.7,...
The first column always contains the name of the species, followed by two columns for the X- and Y-coordinates. Then each column represents one environmental parameter. In contrast to r.stats only integer values are accepted to represent NO DATA.

A background SWD file is always produced while species output can be omitted.

Multiple species can be processed, but each has to be in an individual raster map. Map names of the maps containing the environmental parameters can be replaced by short names, which should be used in MaxEnt >= 3.3.3.e.

Results from MaxEnt can either be imported using r.in.xyz or calculated from MaxEnt lambdas file using the r.maxent.lambdas.

AUTHOR

Stefan Blumentrath, Norwegian Institute for Nature Research (NINA), http://www.nina.no

SOURCE CODE

Available at: r.out.maxent_swd source code (history)

Latest change: Thu Jan 20 09:37:25 2022 in commit: 922a69915b480043ddc5875bcb9579e5cdb411b7