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Subject: Re: gEDA and it's future with Scheme & Guile was Re: [geda-user] Project leadership
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From: John Doty <jpd AT noqsi DOT com>
In-Reply-To: <alpine.DEB.2.00.1512300858260.9035@igor2priv>
Date: Wed, 30 Dec 2015 01:30:05 -0700
Message-Id: <306C32FA-255A-4B1E-8B00-BD21D7C37F67@noqsi.com>
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On Dec 30, 2015, at 1:03 AM, gedau AT igor2 DOT repo DOT hu wrote:

>=20
>=20
> On Wed, 30 Dec 2015, John Doty wrote:
>=20
>>=20
>> On Dec 30, 2015, at 12:21 AM, gedau AT igor2 DOT repo DOT hu wrote:
>>=20
>>>=20
>>>=20
>>> On Tue, 29 Dec 2015, John Doty wrote:
>>>=20
>>>>=20
>>>> On Dec 29, 2015, at 11:28 PM, gedau AT igor2 DOT repo DOT hu wrote:
>>>>=20
>>>>>>=20
>>>>>> I?ve never found a serious limitation in geda-gaf abstractions.
>>>>>=20
>>>>> I have. See the mailing list traffic of the past few hours.
>>>>=20
>>>> What schematic object have you been unable to capture in the =
geda-gaf schematics? What circuit have you been unable to design? All I =
see is complaints about the work flow, not the underlying abstractions. =
Those are fully up to designing PCBs, ASICs, plumbing, makefiles, ...
>>>=20
>>> Gschem fails to handle (find, zoom onto, list, highlight, etc.) nets =
by name.
>>=20
>> That?s not a limitation on what you can design.
>>=20
>>> I consider this a bug. It keeps me from, guess, finding, jumping =
onto nets using the GUI. This, together with another shortcoming about =
how to handle projects with multiple schs, keeps me from fully =
exploiting back annotation.
>>>=20
>>> Simplest example: pin 1 of U5 is connected to Vcc, and it shouldn't =
be. Gschem can't navigate me to all occurances where this happens so =
that I can easily walk thrhough them and fix them. Instead, I manually =
have to crawl through all schs and find somtimes very hidden connections =
(e.g. burried in net attributes of heavy symbols)
>>=20
>> Grep is your friend. The textutils can do 10,000 things with .sch =
files. No GUI tool will ever be able to do all, or even most of them.
>=20
> So please show me the grep command line that does this RELIABLY. Net =
segment connections included. net attributes included. Even in =
non-embedded symbols. Multi sheet designs, hierarchic or not, included.

It=92s a quick heuristic. Speed is important for tracking down such =
things, perfection is not. Reliability is more the domain of DRC, which =
definitely needs work, and I=92ve been working on it.

>=20
> To make sure I stay in accordance with the code of conduct, I will =
stop posting in these threads until I see such a grep commandline and =
everyone accepts that it works for all cases; or until everyone accepts =
it is not possible to construct such a grep command line.


>=20
>>=20
>>>=20
>>> I know you don't need this GUI feature. I do need it.
>>=20
>> You confuse wants with needs.
>=20
> Yes, you don't want this feature (noone forces you to use it). I do =
need it. (Do I have the right to know what I need?)

Show me a drawing of a circuit you can not represent in gschem because =
of this problem. On the other hand, the majority of the board designs in =
my most recent project would be impossible in pcb, either because they =
need buried vias or different stackups in different parts of a =
rigid/flex board.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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