<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>GRASS GIS: r.le.pixel</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.pixel</b></em> - Contains a set of measures for attributes, diversity, texture, juxtaposition, and edge. <h2>KEYWORDS</h2> raster <h2>SYNOPSIS</h2> <b>r.le.pixel</b><br> <b>r.le.pixel help</b><br> <b>r.le.pixel</b> [-<b>euz</b>] <b>map</b>=<em>string</em> [<b>sam</b>=<em>string</em>] [<b>reg</b>=<em>string</em>] [<b>att</b>=<em>string</em>[,<i>string</i>,...]] [<b>div</b>=<em>string</em>[,<i>string</i>,...]] [<b>te1</b>=<em>string</em>] [<b>te2</b>=<em>string</em>[,<i>string</i>,...]] [<b>jux</b>=<em>string</em>[,<i>string</i>,...]] [<b>edg</b>=<em>string</em>[,<i>string</i>,...]] [--<b>verbose</b>] [--<b>quiet</b>] <h3>Flags:</h3> <DL> <DT><b>-e</b></DT> <DD>Output map 'edge' of edges given a '1' in r.le.para/edge file</DD> <DT><b>-u</b></DT> <DD>Output maps 'units_x' with sampling units for each scale x </DD> <DT><b>-z</b></DT> <DD>Output map 'zscores' with standardized scores</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>sam</b>=<em>string</em></DT> <DD>Sampling method (choose only 1 method):<br> w = whole map u = units m = moving window r = regions</DD> <DD>Default: <em>w</em></DD> <DT><b>reg</b>=<em>string</em></DT> <DD>Name of regions map, only when sam = r; omit otherwise</DD> <DT><b>att</b>=<em>string[,<i>string</i>,...]</em></DT> <DD>b1 = mn. pixel att. b2 = s.d. pixel att.<br> b3 = min. pixel att. b4 = max. pixel att.</DD> <DD>Options: <em>b1,b2,b3,b4</em></DD> <DT><b>div</b>=<em>string[,<i>string</i>,...]</em></DT> <DD>d1 = richness d2 = Shannon d3 = dominance d4 = inv. Simpson</DD> <DD>Options: <em>d1,d2,d3,d4</em></DD> <DT><b>te1</b>=<em>string</em></DT> <DD>Texture method (choose only 1 method):<br> m1 = 2N-H m2 = 2N-45 m3 = 2N-V m4 = 2N-135<br> m5 = 4N-HV m6 = 4N-DIAG m7 = 8N</DD> <DD>Options: <em>m1,m2,m3,m4,m5,m6,m7</em></DD> <DT><b>te2</b>=<em>string[,<i>string</i>,...]</em></DT> <DD>Texture measures (required if te1 was specified):<br> t1 = contagion t2 = ang. sec. mom. t3 = inv. diff. mom.<br> t4 = entropy t5 = contrast</DD> <DD>Options: <em>t1,t2,t3,t4,t5</em></DD> <DT><b>jux</b>=<em>string[,<i>string</i>,...]</em></DT> <DD>Juxtaposition measures (weight file in r.le.para needed):<br> j1 = mn. juxtaposition j2 = s.d. juxtaposition</DD> <DD>Options: <em>j1,j2</em></DD> <DT><b>edg</b>=<em>string[,<i>string</i>,...]</em></DT> <DD>e1 = sum of edges e2 = sum of edges by type (need edge file: r.le.para)</DD> <DD>Options: <em>e1,e2</em></DD> </DL> <H2>DESCRIPTION</H2> The <EM>r.le.pixel</EM> module contains a set of measures for attributes, diversity, texture, juxtaposition, and edge. <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.rename.html">r.le.rename</A>, --> <A HREF="r.le.setup.html">r.le.setup</A>, <A HREF="r.le.trace.html">r.le.trace</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>
