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In-Reply-To:	<1508241735.AA23409@ivan.Harhan.ORG>
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Date:	Mon, 24 Aug 2015 15:34:25 -0400
Message-ID:	<CAM2RGhTZVeRHosgOy523qNX800iBU9di0Zpeb-OHF=TJ1qKW_w@mail.gmail.com>
Subject:	Re: [geda-user] PADS docs enabling conversion to PCB
From:	"Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Nice. Would you mind if I add them to the list I have here?
http://edacore.org/wiki/Format_Reference

On Mon, Aug 24, 2015 at 1:35 PM, Spacefalcon the Outlaw
<falcon AT ivan DOT harhan DOT org> wrote:
> Hello free EDA users,
>
> After digging a junk laptop out of a closet and installing first
> Windows, then PADS on it, I was able to gain access to the docs for
> PADS' PCB and library ASCII file formats:
>
> ftp://ftp.freecalypso.org/pub/CAD/PADS/pdfdocs/Plib_ASCII.pdf
> ftp://ftp.freecalypso.org/pub/CAD/PADS/pdfdocs/Ppcb_ASCII.pdf
>
> I found these docs to be quite good, and in theory it is possible to
> write a lossless automated converter for moving footprints or even
> complete board layouts from PADS into GNU PCB.  Notice I said "in
> theory" - in practice the problem one will run into is that our
> current PCB is so much less capable than PADS: no blind/buried vias,
> no arbitrary drawing layers, no pad stacks etc.  Thus if a PADS board
> design uses all of those (like cellphone boards do), then there is no
> way to convert these features which our PCB does not support yet.  But
> those features which GNU PCB does support can be converted from PADS
> losslessly using these PADS file format docs.
>
> Happy hacking,
> SF



-- 
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