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Date: Wed, 31 Jan 2018 16:57:49 +0100 (CET)
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Subject: Re: [geda-user] geda and sub-distribution unt planning?
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Hi,

On Wed, 31 Jan 2018, Josef Wolf wrote:

> Hello,
>
> has anybody tried to plan electrical distribution units with geda?
>
> I'm not sure I have the correct englisch term for this. I'm talking about
> things like
>
>  http://www.unser-bautagebuch.eu/wp-content/uploads/2013/10/20131014-093127.jpg
>
> IMHO, creating the schematics should be straight forward, once a component
> library (RCDs, circuit-breaker, terminal-blocks) exists.

I'd look around on edakrill, maybe someone has already drawn these.

> But what about
> "routing"? Instead of copper layers, real wires are used in such applications.
> Guess, PCB would be not of much use for such a kind of projects?
>

I used to design breadboard wirings using pcb-rnd; the trick was to use 
many different layers so crossing wires don't make galvanic connection. 
It's possible, but takes manual effort, not very convenient.

A code upgrade scenario that would let you do what you want:

1. upgrade find.c so that line-line intersections are not checked for 
connections, but still keep line-via and line-pin intersections as conn

2. when you draw your routing, always use a via where you want to connect 
two wires

3. always use pins on terminals where you want wires to connect

Assing a config setting for this sounds like a 30 minutes task, and it 
would aloss help breaboard use.

If you are willing to test it in svn version of pcb-rnd, I am willing to 
do it.

Regards,

Igor2