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Mail Archives: geda-user/2012/12/14/18:20:08

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Date: Fri, 14 Dec 2012 14:18:53 -0900
Message-ID: <CAC4O8c_YzeqQ84huGrZPL+=aK5C89phD3VgRHko40N8hWCzw7A@mail.gmail.com>
Subject: Re: [geda-user] Find rat lines
From: Britton Kerin <britton DOT kerin AT gmail DOT com>
To: geda-user AT delorie DOT com
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On Fri, Dec 14, 2012 at 10:29 AM, John Doty <jpd AT noqsi DOT com> wrote:

Hi John, first my two cents on tagging, I agree with you (and everyone else
it seems) that its a good idea in principle, but its going to have some
troubles in practice.  I end up working from the middle of wires a lot, and
copying chunks of wiring around.  As Pete noted many of these already tedious
operations would get a lot more tedious if pcb was constantly bugging you to
retag things.  A short is the uncommon case for clone and clone-and-modify
use cases, so you don't want to pay for short detection too much as you work.
So lumped short detection later on still comes out useful.

Tagging would get a lot more useful if pcb had some neat overall way to capture
clone and clone-and-modify use cases, but its hard to see how to do this.

> In my experience with pcb, it's all punishment and confusion. It's impossible to get the program to do anything *simple*. Instead, it tries to read the user's mind, frequently getting it wrong. And it isn't just me: a couple of years ago I had an experienced professional engineer working for me. One of his tasks was learning pcb (I was thinking, OK, maybe it's just one of those things a simple-minded physicist can't get). He failed.
>

I find this really surprising, since for me pcb was the simple part of gEDA
to learn.  It was the combination of figuring out which attributes had to
be set in gschem, how symbols and footprints connected together, and how
the whole arrangement was propagated into pcb that was painful.

Since you don't use pcb, I'm curious: is it pcb itself that causes confusion,
or are the above issues bothering you and/or this other engineer?

Britton

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