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Date:	Thu, 10 Jan 2019 04:21:31 +0100 (CET)
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To:	"Christopher Nielsen (chris AT zorinco DOT com) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
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From:	gedah AT igor2 DOT repo DOT hu
Subject:	Re: [geda-help] PCB: bottom layer split
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On Wed, 9 Jan 2019, Christopher Nielsen (chris AT zorinco DOT com) [via geda-help AT delorie DOT com] wrote:

>
> Hi all,
>
> Does anyone know much about the 'groups' in PCB?
>
> I have a 2 sided board. I placed a component on the 'far side' layer, which I'm
> expecting should be appearing on the 'bottom' gerber output. But no.
>
> If I open bottom.gbr, it has the pads of my component (and other vias) but NO
> traces! If I open 'group1.gbr', it has the traces, but not the pads of the
> component. Does anyone know how to force everything to the 'bottom' layer?
>
> I looked at http://wiki.geda-project.org/#community looking to join the IRC
> (I'm a bit new to IRC). And in Pidgin, I go to 'Add account', I cannot because
> I don't already have a user/pass, so I'm not sure where to enter the
> irc.oftc.net/6667 info. That web page doesn't mention anthing about a
> user/pass.
>
> If I type in "/join #geda" in Pidgin, I see this: You have been kicked by
> ChanServ: (Invite only channel). It would be nice if there was a little more
> detail on how to get connected on the IRC...
>
> I'm guessing I may have messed with some setting, but it's not clear at all how
> to recover.
>
> Thanks for any tips!

You most probably moved your layer into a different layer group.

In pcb you should look at the layer grouping table in the preferences and 
make sure the layer you intend to be on the bottom side has the dot in the 
same column as the "bottom side" selector.

Or just use pcb-rnd, which has a much cleaner layer stackup model than pcb 
and offers a nice cross-section view of the board where you can 
drag-and-drop move your logical layers between physical layers (groups). 
Screenshot: http://igor2.repo.hu/tmp/cross.png

(pcb-rnd can load and save geda/pcb files).

HTH,

Igor2

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