Re: gEDA-user: Strange behaviour of gsch2pcb/gnetlist

[michalwd1979 <michalwd1979@xxxxx>]

Thanks John D., John G.!

I've just tried it and it is OK. Anyway it still is a bit strange that some elements are doubled and some not, but I had wrong project file.
Mant thanks once more.

> If you have a big main sheet, yes. This causes gnetlist to spend a  
> long time tracking down connections (the algorithm appears to be O 
> (n^2)). One of the drawbacks of the big main sheet approach.

I generally don't like schematics that are too much split - I need to spend too much time tracing connections by names :-).
Anyway in this project if I wanted to have smaller sheets I would have to place one IC on one sheet. I set up makefile to do drc, netlist, pcb, (thanks to gEDA design that I really like) and waiting is normally not a problem, because I can run it in background still working on schematic or pcb.

Best Regards,
Michael WIdlok


Dnia 20 września 2008 16:49 John Griessen <john@xxxxxxxxxxxxxx> napisał(a):

> John Doty wrote:
> 
> > You shouldn't give the name of the subsheet directly to the  
> > netlister: it finds the subsheet through the source= attribute. By  
> > giving the name explicitly, you told gnetlist to include the  
> > subcircuit at top level, and by using a symbol with a source=  
> > attribute you told gnetlist to include it as a subcircuit also. So,  
> > you got it twice. 
> 
> 
> That's it, John D. found the reason, no bug to look for.  any netnames 
> youhave in your subsheet will get S11/ prepended to them and so they 
> will not make a connection except through the source= method.
> 
> John G
> 
> 


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