GRASS GIS manual: r.li.dominance

NAME

r.li.dominance - Calculates dominance's diversity index on a raster map

KEYWORDS

raster, landscape structure analysis, diversity index

SYNOPSIS

r.li.dominance
r.li.dominance help
r.li.dominance input=name config=string output=name [--overwrite] [--verbose] [--quiet]

Flags:

--overwrite: Allow output files to overwrite existing files
--verbose: Verbose module output
--quiet: Quiet module output

Parameters:

input=name [required]: Name of input raster map
config=string [required]: Configuration file
output=name [required]: Name for output raster map

DESCRIPTION

r.li.dominance calculates the "dominance's diversity index" as:

with:

m: number of different patch type
i: patch type
pi: proportion of the landscape occupied by patch type i

EXAMPLES

To calculate dominance's diversity index on map my_map, using my_conf configuration file and saving results in my_out file run:

r.li.dominance input=my_map conf=my_conf output=my_out

NOTES

Do not use absolute path names for output files. They are raster if moving window disposition was selected, otherwise they are in ~/.r.li/output folder.
If input raster is full of null values r.li.dominance returns -1.
If you want to have null values instead run

r.null setnull=-1 map=my_map

after index calculation.

AUTHORS

Serena Pallecchi student of Computer Science University of Pisa (Italy).
Commission from Faunalia Pontedera (PI), Italy (www.faunalia.it)

Last changed: $Date: 2011-09-29 12:18:47 -0700 (Thu, 29 Sep 2011) $

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