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
