<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>GRASS GIS: r.li.patchnum</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <link rel="stylesheet" href="grassdocs.css" type="text/css"> </head> <body bgcolor="white"> <img src="grass_logo.png" alt="GRASS logo"><hr align=center size=6 noshade> <h2>NAME</h2> <em><b>r.li.patchnum</b></em> - Calculates patch number index on a raster map, using a 4 neighbour algorithm. <h2>KEYWORDS</h2> raster, landscape structure analysis, patch index <h2>SYNOPSIS</h2> <b>r.li.patchnum</b><br> <b>r.li.patchnum help</b><br> <b>r.li.patchnum</b> <b>map</b>=<em>name</em> <b>conf</b>=<em>string</em> <b>output</b>=<em>name</em> [--<b>overwrite</b>] [--<b>verbose</b>] [--<b>quiet</b>] <h3>Flags:</h3> <DL> <DT><b>--overwrite</b></DT> <DD>Allow output files to overwrite existing files</DD> <DT><b>--verbose</b></DT> <DD>Verbose module output</DD> <DT><b>--quiet</b></DT> <DD>Quiet module output</DD> </DL> <h3>Parameters:</h3> <DL> <DT><b>map</b>=<em>name</em></DT> <DD>Name of input raster map</DD> <DT><b>conf</b>=<em>string</em></DT> <DD>Configuration file</DD> <DT><b>output</b>=<em>name</em></DT> <DD>Name for output raster map</DD> </DL> <H2>DESCRIPTION</H2> <EM>r.li.patchnum</EM> is a patch index for r.li program.<br> It calculates the function <br> <I> f(sample_area)= Patch_Number </I><br> This index is calculated using a 4 neighbour algorithm<br> <H2>EXAMPLES</H2> To calculate patch number index on map my_map, using <em>my_conf</em> configuration file and saving results in my_out file run: <div class="code"><pre> r.li.patchnumber map=my_map conf=my_conf out=my_out </pre></div> <H2>NOTES</H2> An that is full of null values is considered to have zero patch. <br> If you want to have null values instead run <br> <div class="code"><pre> r.null setnull=0 map=my_map </pre></div> after index calculation.<br> <H2>SEE ALSO</H2> <EM><A HREF="r.li.html">r.li</A></EM> package overview <BR> <EM><A HREF="r.li.daemon.html">r.li.daemon</A></EM><BR> <EM><A HREF="r.li.setup.html">r.li.setup</A></EM> <H2>AUTHORS</H2> Claudio Porta and Lucio Davide Spano, students of Computer Science University of Pisa (Italy).<br> Commission from Faunalia Pontedera (PI) (www.faunalia.it)<br> <H2>BUGS</h2> Please send bugs reports to <a href="mailto:spano@cli.di.unipi.it">spano@cli.di.unipi.it</a>, <a href="mailto:porta@cli.di.unipi.it">porta@cli.di.unipi.it</a><BR> <p><i>Last changed: $Date: 2007-02-16 17:03:01 +0100 (Fri, 16 Feb 2007) $</i> <HR> <P><a href="index.html">Main index</a> - <a href="raster.html">raster index</a> - <a href="full_index.html">Full index</a></P> <P>© 2003-2008 <a href="http://grass.osgeo.org">GRASS Development Team</a></p> </body> </html>
