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<html>
<head>
<title>EAGLE Help: AUTO</title>
</head>
<body bgcolor=white>
<font face=Helvetica,Arial>
<hr>
<i>EAGLE Help</i>
<h1><center>AUTO</center></h1>
<hr>
<dl>
<dt>
<b>Function</b>
<dd>
Starts the Autorouter
<p>
<dt>
<b>Syntax</b>
<dd>
<tt>AUTO;</tt><br>
<tt>AUTO signal_name..;</tt><br>
<tt>AUTO ! signal_name..;</tt><br>
<tt>AUTO *..;</tt>
<p>
</dl>
<b>See also</b> <a href=88.htm>SIGNAL</a>,
<a href=83.htm>ROUTE</a>,
<a href=100.htm>WIRE</a>,
<a href=75.htm>RATSNEST</a>,
<a href=86.htm>SET</a>
<p>
The AUTO command activates the integrated
<a href=125.htm>Autorouter</a>. If signal names
are specified or signals are selected with the mouse, only these signals
are routed. Without parameters the command will try to route all signals.
If a "!" character is specified all signals are routed except the
signals following the "!" character. The "!" character must be the
first parameter and must show up only once.
<p>
<b>Example</b>
<pre>
AUTO ! GND VCC;
</pre>
In every case the semicolon is necessary as a terminator. A menu for
adjusting the Autorouter control parameters opens if you select AUTO
from the command menu or type in AUTO from the keyboard (followed
by Return key).
<p>
<u>Polygons</u>
<p>
When the Autorouter is started all <a href=71.htm>Polygons</a> are
calculated.
<p>
<u>Protocol File</u>
<p>
A protocol file (name.pro) is generated automatically.
<p>
<u>Board Size</u>
<p>
The Autorouter puts a rectangle around all objects in the board
and takes the size of this rectangle as the routing area. Wires
in the Dimension layer are border lines for the
Autorouter. This means you can delimit the route area with closed
lines drawn into this layer with the WIRE command.
<p>
In practice you draw the board outlines into the Dimension layer with
the WIRE command and place the components within this area.
<p>
<u>Signals</u>
<p>
Signals defined with EAGLE's SIGNAL command, polygons, and wires drawn
onto the Top, Bottom, and ROUTE2...15 layers are recognized by the
Autorouter.
<p>
<u>Restricted Areas</u>
<p>
Objects in the layers tRestrict, bRestrict,
and vRestrict are treated as restricted areas for the Top and Bottom
side and for vias respectively.
<p>
If you want the Autorouter not to use a layer, enter "0" into the
preferred direction field.
<hr>
<table width=100% cellspacing=0 border=0><tr><td align=left><font face=Helvetica,Arial>
<a href=index.htm>Index</a>
</font></td><td align=right><font face=Helvetica,Arial size=-1>
<i>Copyright © 2005 CadSoft Computer GmbH</i>
</font></td></tr></table>
<hr>
</font>
</body>
</html>
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