<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>GRASS GIS: d.extract</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>d.extract</b></em> - Select and extract vectors with mouse into new vector map <h2>KEYWORDS</h2> display <h2>SYNOPSIS</h2> <b>d.extract</b><br> <b>d.extract help</b><br> <b>d.extract</b> <b>input</b>=<em>name</em> <b>output</b>=<em>name</em> [<b>type</b>=<em>string</em>[,<i>string</i>,...]] [<b>color</b>=<em>string</em>] [<b>hcolor</b>=<em>string</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>input</b>=<em>name</em></DT> <DD>Name of input vector map</DD> <DT><b>output</b>=<em>name</em></DT> <DD>Name for output vector map</DD> <DT><b>type</b>=<em>string[,<i>string</i>,...]</em></DT> <DD>Type</DD> <DD>Feature type(s)</DD> <DD>Options: <em>point,line,boundary,centroid,area,face</em></DD> <DD>Default: <em>point,line,boundary,centroid,area,face</em></DD> <DT><b>color</b>=<em>string</em></DT> <DD>Original line color</DD> <DD>Default: <em>black</em></DD> <DT><b>hcolor</b>=<em>string</em></DT> <DD>Highlight color</DD> <DD>Default: <em>red</em></DD> </DL> <h2>DESCRIPTION</h2> <em>d.extract</em> allows a user to graphically select vector objects from an existing vector map and creates a new map containing only the selected objects. <h2>EXAMPLE</h2> <h3>Graphically extract roads from a roads map:</h3> <div class="code"><pre> d.mon x0 d.vect roads d.extract input=roads output=interstate </pre></div> <h2>SEE ALSO</h2> <em><a HREF="v.extract.html">v.extract</a></em> <h2>AUTHOR</h2> Radim Blazek, Markus Neteler <p><i>Last changed: $Date: 2006-08-10 15:33:34 +0200 (Thu, 10 Aug 2006) $</i></p> <HR> <P><a href="index.html">Main index</a> - <a href="display.html">display 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>
