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Date: Mon, 9 Mar 2015 21:09:07 +0100
From: Stelian Pop <stelian AT popies DOT net>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] PCB autorouter doesn't create vias. Bug or user
 error ?
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Hi,

On Tue, Mar 10, 2015 at 06:26:38AM +1100, Stephen Ecob wrote:
> I suggest that you run the autorouter before adding the plane, as the
> auotrouter will not cut into a plane for you.
> I haven't used the autorouter in years, but my normal flow with it was:
> 1. Fence off keep out areas with rectangles of copper.
> 2. Run the autorouter
> 3. Tidy up traces with the trace optimisers
> 4. Convert autorouted traces that should be planes/partial planes by
> finding them, selecting found, removing the clearline flag, then overlaying
> them with copper polygons.

Thanks for your suggestion, I finally ended up using a slightly
different approach:

1. disable GND in the netlist window
2. select only the top layer
3. run the autorouter. Most of the rats will be routed, except a few
4. select the bottom layer
5. run the autorouter again, laying out the remaining rats
6. draw the rectangle for the ground plane

Stelian.
-- 
Stelian Pop <stelian AT popies DOT net>