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Mail Archives: geda-user/2012/05/22/19:57:24

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Date: Tue, 22 May 2012 19:57:15 -0400
Message-Id: <201205222357.q4MNvFem017012@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: geda-user AT delorie DOT com
In-reply-to:
<CACPio-6HT7=E+GdR5HEQQmaVm3eS_8T0vrdSfSntHhbo7OFquA AT mail DOT gmail DOT com>
(message from Nathan Stewart on Tue, 22 May 2012 19:51:28 -0400)
Subject: Re: [geda-user] PCB layers and groups
References: <CALSZ9goUSY5xpaiUQEf2Pt3fTf+Q4bv+wBFnnOP46tSfcSWr8Q AT mail DOT gmail DOT com>
<201205222014 DOT q4MKEm36008019 AT envy DOT delorie DOT com> <CACPio-6HT7=E+GdR5HEQQmaVm3eS_8T0vrdSfSntHhbo7OFquA AT mail DOT gmail DOT com>
Reply-To: geda-user AT delorie DOT com

> I think it'd be nice to able to remove unused layers altogether.

So remove them.

> Conceptual layers are still useful, but the layer / groups
> correlation confused me mightily at first. And i certainly dont need
> four 'signal' layers.

The current default stackup is:

top / signal1
ground
signal2
signal3
power
bottom / signal4
outline
spare

This is a good starting point for two, four, or six layer boards,
either by ignoring the layers you don't want or deleting them.

The whole "layer group" concept needs to be revamped, but will likely
wait until some future revamping that includes more than just copper
drawing layers (keep outs, for example, need to be grouped with the
copper layers they apply to).

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