Re: gEDA-user: routing "style" in PCB (again subject)

[Peter Kaiser <peter@xxxxxxxxxxxx>]

Hi,

about one year ago, I was in a similar situation than you. I was new to scheme 
and had to modify a netlister.

I wrote together me experiance. It's still a draft and not complete. but may 
be it helps.

http://www.easy-asic.de/downloads/HOWTO_Create_Netlist.pdf

Have fun
Peter



Am Samstag, 12. Februar 2005 09:33 schrieb PR:
> I would like to ask helper question:
>
> Where do I find (in gnetlist) attributes attached to a wire in gschem?
>
> In other words, when gnetlist (or libgeda) parses .sch file, where does
> it put attributes attached to wires?
>
> Thanks in advance,
>
> Peter
>
> > Hello,
> >
> > I couldn't find any answer to once asked question "how do I set routing
> > style for PCB in gschem?" so I would like to refresh this subject.
> >
> > Here is the situation:
> >
> > file gnet-PCB.scm is responsible for generating .net files for PCB when
> > using tools like gnetlist / gsch2pcb. (right?)
> >
> > there is this function PCB:write-net that does not generate routing
> > style information for PCB. (erm... right?)
> >
> > Since I have never written anything in schema/guile I think it would be
> > a waste of time to learn this just to fix this little 'lack-of-feature'.
> >
> > My question is:
> >
> > Can anyone tell me how to extract net attribute value of arbitrary name
> > and put it in .scm script? (I'd like to use netlist attribute like
> > 'routing_style' or sth.)
> >
> >
> > Regards,
> > Peter