X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=S61jZXIqGWRpDfT3wDSRPALO/QX7z5yH+f5DOwVO2RI=; b=GBycYc9ZPaBybVHVvlmBZ4l6YEytx5A0hltyvgi3oksbuq6wy8rm/t9tMNylGbWBXV VtiOI4qLkDnGyIgcs6Y8lpCDIQfahxzn5dQdWO9hsujaIuyuGIAGHY9A8T/EiGyqub/2 LbOtkdPlJXAnIWb1SPZ0Zd/dyCaFr6AGlVXNTqEgqt2hHyk3P1iKrPyFVvWWDUmfjRdv teN5XxgwefregNoE/glZUtRBOdp5wmLECuvjPw8fAp6O5msaRvXVvXW1ksL9Nd/5mx4p JXNJElFXYtUMZxuyZ2u321hdmqPrNU4BfCsmTCYrkU0AjXqQU59QodJzI7ebuHN7jvAT T3NQ== MIME-Version: 1.0 X-Received: by 10.50.28.37 with SMTP id y5mr2384118igg.93.1452124990048; Wed, 06 Jan 2016 16:03:10 -0800 (PST) In-Reply-To: <20160107004041.8812ea2779c265f6d827d39a@gmail.com> References: <1512221837 DOT AA25291 AT ivan DOT Harhan DOT ORG>

<20160105182120 DOT 3237F809D79B AT turkos DOT aspodata DOT se> <8E0210CD-0694-4717-A7B1-3224E39691DA AT sbcglobal DOT net> <20160106095351 DOT 410e3f2407176052d835251e AT gmail DOT com> <20160107004041 DOT 8812ea2779c265f6d827d39a AT gmail DOT com> Date: Thu, 7 Jan 2016 01:03:09 +0100 Message-ID: Subject: Re: [geda-user] A fileformat library From: "Levente (leventelist AT gmail DOT com) [via geda-user AT delorie DOT com]" To: gEDA User Mailing List Content-Type: multipart/alternative; boundary=089e01538c3633962c0528b3320d Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk --089e01538c3633962c0528b3320d Content-Type: text/plain; charset=UTF-8 That would be nice. Somewhere in the website? Somewhere in the repository? DJ? On 7 Jan 2016 00:46, "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" wrote: > > > > I recently did a tiny bit of work on the parser in pcb. Of course we > > > > should continue to support it, but it's going to be tough to extend > it > > > > much. It's already overloaded in weird ways (e.g. thermals are > parsed as > > > > flags, with their own non-flex sub-syntax, even though they don't > set any > > > > actual flags). If you do extend it you do hard work and still only > pcb > > > can > > > > read it. Of course you still have to teach the innards of pcb about > your > > > > extensions in order for them to do anything useful. > > > > > > A good start might be to write down what need to be stored even though > > > they are not implemented right now and maybe never will be: > > > 1. Padstack, probably as collection of ordinary drawing primitives. > > > 2. Local copy and reference so update is possible. > > > 3. Net and possible segment attribute for route style, width. > > > 4. Net clerances between any net. > > > 5. Net clerance classes although (4.) could be extended before > entering > > > pcb. > > > 6. Trace impedance. > > > 7. Differential impedance? > > > 8. Pin swapping! > > > 9. Slot swapping. > > > > > > > Lev did something very like this last time this got discussed as sql > > schema. I don't think it had all the above but some of it. > > > > Britton > > I wrote down some more in a text files. Would it be possible collect them > somewhere there everybody could read them? > > > Nicklas Karlsson > --089e01538c3633962c0528b3320d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

That would be nice. Somewhere in the website? Somewhere in t= he repository? DJ?

On 7 Jan 2016 00:46, "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com= ]" <geda-user AT delorie DOT com<= /a>> wrote:

> = > > I recently did a tiny bit of work on the parser in pcb.=C2=A0 Of = course we
> > > should continue to support it, but it's going to be toug= h to extend it
> > > much.=C2=A0 It's already overloaded in weird ways (e.g. = thermals are parsed as
> > > flags, with their own non-flex sub-syntax, even though they = don't set any
> > > actual flags).=C2=A0 If you do extend it you do hard work an= d still only pcb
> > can
> > > read it.=C2=A0 Of course you still have to teach the innards= of pcb about your
> > > extensions in order for them to do anything useful.
> >
> > A good start might be to write down what need to be stored even t= hough
> > they are not implemented right now and maybe never will be:
> >=C2=A0 =C2=A01. Padstack, probably as collection of ordinary drawi= ng primitives.
> >=C2=A0 =C2=A02. Local copy and reference so update is possible. > >=C2=A0 =C2=A03. Net and possible segment attribute for route style= , width.
> >=C2=A0 =C2=A04. Net clerances between any net.
> >=C2=A0 =C2=A05. Net clerance classes although (4.) could be extend= ed before entering
> > pcb.
> >=C2=A0 =C2=A06. Trace impedance.
> >=C2=A0 =C2=A07. Differential impedance?
> >=C2=A0 =C2=A08. Pin swapping!
> >=C2=A0 =C2=A09. Slot swapping.
> >
>
> Lev did something very like this last time this got discussed as sql > schema.=C2=A0 I don't think it had all the above but some of it. >
> Britton

I wrote down some more in a text files. Would it be possible collect them s= omewhere there everybody could read them?

Nicklas Karlsson

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