NAME¶

r.li.patchnum - Calculates patch number index on a raster map, using a 4 neighbour algorithm.

KEYWORDS¶

raster, landscape structure analysis, patch index

SYNOPSIS¶

r.li.patchnum r.li.patchnum help r.li.patchnum map=name conf=string output=name [-- overwrite] [--verbose] [--quiet]

Flags:¶

--overwrite

 

Allow output files to overwrite existing files

--verbose

 

Verbose module output

--quiet

 

Quiet module output

Parameters:¶

map=name

 

Name of input raster map

conf=string

 

Configuration file

output=name

 

Name for output raster map

DESCRIPTION¶

r.li.patchnum is a patch index for r.li program. It calculates the function f(sample_area)= Patch_Number This index is calculated using a 4 neighbour algorithm

EXAMPLES¶

To calculate patch number index on map my_map, using my_conf configuration file and saving results in my_out file run: r.li.patchnumber map=my_map conf=my_conf out=my_out

NOTES¶

An that is full of null values is considered to have zero patch. If you want to have null values instead run r.null setnull=0 map=my_map after index calculation.

SEE ALSO¶

r.li package overview r.li.daemon r.li.setup

AUTHORS¶

Claudio Porta and Lucio Davide Spano, students of Computer Science University of Pisa (Italy). Commission from Faunalia Pontedera (PI) (www.faunalia.it) Last changed: $Date: 2011-08-16 11:13:05 +0200 (Tue, 16 Aug 2011) $ Full index © 2003-2011 GRASS Development Team