<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>GRASS GIS: r.le.trace</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.le.trace</b></em> - Displays the boundary of each r.le patch and shows how the boundary is traced, displays the attribute, size, perimeter and shape indices for each patch and saves the data in an output file. <h2>KEYWORDS</h2> raster <h2>SYNOPSIS</h2> <b>r.le.trace</b><br> <b>r.le.trace help</b><br> <b>r.le.trace</b> [-<b>pt</b>] <b>map</b>=<em>string</em> [<b>out</b>=<em>string</em>] [--<b>verbose</b>] [--<b>quiet</b>] <h3>Flags:</h3> <DL> <DT><b>-p</b></DT> <DD>Include sampling area boundary as perimeter</DD> <DT><b>-t</b></DT> <DD>Use 4 neighbor tracing instead of 8 neighbor</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>string</em></DT> <DD>Raster map to be analyzed</DD> <DT><b>out</b>=<em>string</em></DT> <DD>Name of output file to store patch data</DD> </DL> <H2>DESCRIPTION</H2> The <EM>r.le.trace</EM> module can be used to display the boundary of each <b>r.le</b> patch and show how the boundary is traced, display the attribute, size, perimeter, and shape indices for each patch, and save the data in an output file. <H2>NOTES</H2> Full instructions can be found in the <b>r.le manual</b> (see "REFERENCES" section below) and the <em><A HREF="r.le.setup.html">r.le.setup</A></em> help page. <H2>REFERENCES</H2> Baker, W.L. and Y. Cai. 1992. The r.le programs for multiscale analysis of landscape structure using the GRASS geographical information system. Landscape Ecology 7(4):291-302. <P> The <A href="http://grass.itc.it/gdp/landscape/r_le_manual5.pdf"><i>r.le</i> manual: Quantitative analysis of landscape structures</a> (GRASS 5; 2001) <H2>SEE ALSO</H2> <EM> <!--<A HREF="r.le.dist.html">r.le.dist</A>, <A HREF="r.le.null.html">r.le.null</A>, --> <A HREF="r.le.patch.html">r.le.patch</A>, <A HREF="r.le.pixel.html">r.le.pixel</A>, <!-- <A HREF="r.le.rename.html">r.le.rename</A>, --> <A HREF="r.le.setup.html">r.le.setup</A> </EM> <H2>AUTHOR</H2> William L. Baker Department of Geography and Recreation University of Wyoming Laramie, Wyoming 82071 U.S.A. <p> <i>Last changed: $Date: 2006-10-06 05:31:41 +0200 (Fri, 06 Oct 2006) $</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>
