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	Sat, 02 Jan 2016 11:19:30 -0800 (PST)
Date:	Sat, 2 Jan 2016 20:19:28 +0100
From:	"Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] ideas on slotting and mechanisms for
	grouping/associating heterogenous symbols.
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On Sat, 2 Jan 2016 13:16:17 -0500
DJ Delorie <dj AT delorie DOT com> wrote:

> 
> > That's a collision. Ideally all symbols ending up in the same
> > footprint should have the same refdes. I would say the naming scheme
> > for hierarchy does not fit for this case and I can't figure out how
> > to get a good solution.
> 
> Consider, for example, you have eight NAND gates in your circuit, in
> two quad packages.  You decide that swapping two gates across packages
> would make sense for the layout.  However, this changes the refdes for
> those two gates, so you have to manually pre-swap them in the
> schematic.
> 
> Should this be something you can do in the layout program?
> 
> If so, how do you specify "that gate" in the schematic when you want
> to make an as-built?

I would say normally refdes is used because it is rather simple to understand. It would also be possible to override and say they are in same swapping group even though refdes is different but in such case back annotate is needed to get correct refdes. Maybe a refdes group?


Nicklas Karlsson

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