Geografic-Information-System/display/d.extract/d.extract.html

<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: $Date$</i>