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man page of r.li.patchnum

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

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


raster, landscape structure analysis, patch index


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


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


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


Claudio Porta and Lucio Davide Spano, students of Computer Science University of Pisa (Italy). Commission from Faunalia Pontedera (PI) (www.faunalia.it)


Please send bugs reports to spano@cli.di.unipi.it, porta@cli.di.unipi.it Last changed: $Date: 2007-02-16 17:03:01 +0100 (Fri, 16 Feb 2007) $ Full index (C) 2003-2010 GRASS Development Team R.LI.PATCHNUM(1)

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