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Mail Archives: geda-user/2016/01/07/01:01:00

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Date: Thu, 07 Jan 2016 06:00:47 +0000
From: "M. J. Everitt (m DOT j DOT everitt AT iee DOT org) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] A new PCB file format
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Reply-To: geda-user AT delorie DOT com

Sounds like a great idea. DJ do you have anywhere to host a
'suggestions' list for improvements/etc? Should integrate with bug/issue
tracker really. Perhaps we need to think around this area if launchpad
doesn't serve us efficiently.

Marvin - I fear it's probably not a trivial change to make, particularly
as you're not going to be referencing files between the programs. Nets
would work fine, but I think gnetlist does the "calculation" so gschem
hasn't defined the nets/doesn't know what/where they are. Typically when
I highlight a pcb trace, I'm looking at the netlist in pcb to see what
devices they connect (or should connect) to. It is very difficult to
back-annotate changes at pcb level to the schematic in my experience ..
you always have to work in the schematic and move through the
gnetlist/gsch2pcb chain.. or at least that's the only method I've found
to work.

Best regards,

Michael.

On 07/01/16 05:20, Marvin Dickens (mpdickens AT gmail DOT com) [via
geda-user AT delorie DOT com] wrote:
> Hi Everybody,
>
> If your looking at tuning up or otherwise redesigning the file format
> for PCB
> I would really like gschem to understand the PCB file format and
> visa-versa.
> What I would like to be able to do is have a PCB layout up at the same
> time I
> have the schematic for that design up in gschem. If I select any part
> or portion
> of the layout in PCB that part or portion is visually highlighted in
> gschem and
> visa-versa. 
>
> This ability could possibly be used as the starting point for introducing
> boundary scan and other sophisticated usages of interconnects into
> gEDA. I am 
> thinking verification, design for test, diagnostics and such. In my
> world, completing
> a design does not retire a project and it would be nice if gEDA
> reflected this dynamic.
>
> Regards
>
> Marvin
>
>
>
>
>
>

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