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Date: Fri, 8 Jan 2016 18:28:22 +0100
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: [geda-user] Re: off-board parts/wiring
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> >>>>  I can't use the
> >>>> recommended direct PCB gschem-schematic-import method due to some special
> >>>> schematic post-processing (mostly eliminating off-board parts/wiring, which I
> >>>> want to have on the schematic),
> >>>
> >>> I attach graphical=1 to those to tell gnetlist that they don?t go into the netlist.
> >>
> >> That may work for whole parts, but doesn't work when particular pins/nodes need
> >> to be separated from the board (thus the "/wiring").
> >>
> >>  	-F
> >
> > If you make one schematic for each circuit board it will work.
> >
> > It is possible to make a symbol matching connector output and put it higher than the circuit board(s) in the hierarchy. If you add a "source=board.sch" attribute you could get down into the hierarchy but symbol is not electrically connected to connector so for example DRC will not work for the whole circuit.
> 
> ...
> 
> I have to wonder - what's so hard about getting pcb to understand
> a circuit from a netlist?

Well you said if you make one schematic for each circuit board which suggest you try to make several circuit board from one schematic. Symbols without a footprint do not show up on the circuit board.

Sometimes it is useful to draw a schematic connecting several circuit boards and if you add a source attribute with the filename of the schematic to the symbol you get hieratchical design.

Nicklas Karlsson