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From: Kai-Martin Knaak <kmk AT familieknaak DOT de>
Subject: Re: [geda-user] GTK3, Glade interface designer (router, auto?)
Date: Sun, 11 Oct 2015 05:14:32 +0200
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Reply-To: geda-user AT delorie DOT com

Stefan Salewski wrote:

> Your points are true, but most can be solved. Last both points are
> nearly trivial, just give that traces an larger amount of clearance.

This would require the ability to set clearance rules on a per net 
base. Such differentiation would be desirable for general DRC, too. 


> And you can protect arbitrary areas from being used by the router by
> putting some dummy pad there.

Ok, sounds good.


> More problematic is well defined impedance and matches pairs and
> differential signaling. I think a differential trace pair should be
> doable by replacing it fist with one trace with double extent, so
> space is reserved, and finally replace that one by final two real
> differential pairs.

Automatically? That would be neat.


> Also you can always partition your boards in distinct areas, routing
> one manually.

This seems like a solution to many issues.

If your toporouter can do the above, it becomes a very viable option 
for real life projects. Count me in for testing!

---<)kaimartin(>---