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From:	geda AT psjt DOT org (Stephan =?utf-8?Q?B=C3=B6ttcher?=)
To:	"Britton Kerin \(britton.kerin\@gmail.com\) \[via geda-user\@delorie.com\]" <geda-user AT delorie DOT com>
Subject:	Re: [geda-user] The nature of gEDA layers
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Date:	Thu, 28 Jan 2016 21:08:58 +0100
In-Reply-To:	<CAC4O8c9D-F3p8sAm2UumoE+uoMZM1ufSP=mNEPeHHpn8YrcSyg@mail.gmail.com>
	(Britton Kerin's message of "Thu, 28 Jan 2016 09:28:08 -0900")
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"Britton Kerin (britton DOT kerin AT gmail DOT com) [via geda-user AT delorie DOT com]"
<geda-user AT delorie DOT com> writes:

> It's highly unlikely it'll be easier for just BBVias.  I believe
> there's already an experimental branch that implements them.  Igor is
> likely to decide to implement them again while we all talk about it.
> For containers to pay off several other applications for them would
> need to exist and be important enough to get implemented.  What are
> they?

My use cases for a mor egeneralized data model:

 - pad stacks, with differnet pad sizes on middle layers
 - hierarchical layout
 - rigid-flex baords with more than two outer layers

To avoid more spagetti special casing in the future for all kinds of
use cases.

-- 
Stephan

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