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Date:	Tue, 6 Oct 2015 09:13:01 +0200
From:	"Gabriel Paubert (paubert AT iram DOT es) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] GTK3, Glade interface designer (router, auto?)
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On Mon, Oct 05, 2015 at 01:18:50PM -0600, John Doty wrote:
> 
> On Oct 5, 2015, at 12:47 PM, Stefan Salewski <mail AT ssalewski DOT de> wrote:
> 
> > On Sun, 2015-10-04 at 18:38 -0800, Britton Kerin
> > (britton DOT kerin AT gmail DOT com) [via geda-user AT delorie DOT com] wrote:
> > 
> >>> 
> >> 
> >> I think pcb has defaults for these, and saves them in each file also
> >> as
> >> overrides.  So they could be gotten from an existing pcb file.  Or is
> >> making the router implement different parameters the hard part?
> >> 
> > 
> > No, it is not hard. But at least for older gschem/gnetlist versions it
> > was not possible to transfer net attributes like "power" or "10mil"
> > direct to PCB.
> 
> At net level it’s not a gschem/gnetlist problem, as one may tag nets with arbitrary data using “graphical” symbols. But if you want net *segment* level...

But there is no 1:1 segment mapping between schematics and layout.

I do use so called graphical symbols to provide information to the
person doing some of my layouts, but she has to consider them as hints
which have to be applied by default. They affect the majority of the
copper segments, but not all due to physical impossibility (high
currents to 0.5 or 0.65mm pitch IC for example).

    Gabriel

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