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Date: Wed, 28 Mar 2012 00:57:30 +0200
From: Kai-Martin Knaak <kmk AT familieknaak DOT de>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] repetitive circuits
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Nathan Stewart <therealnathanstewart AT gmail DOT com> schrieb am Mon, 19 Mar 2012 21:24:52 -0400:

> Thanks - I saw the bit about hierarchical schematics but missed the
> bit about being able to use them multiple times. What about refdes
> incrementing and assignment?

gnetlist optionally prefixes strings from sub sheets with the refdes of 
the sub sheet symbol that represents the sub sheet in the master schematic.
That way, the refdeses only need to be unique within the current sheet. 

This is configured in one of the gnetlistrc, which are read in the usual 
order:  system-gnetlistrc , $HOME/.gEDA/gnetlistrc , $PWD/gnetlistrc

The relevant options start with "hierarchy-". My local gnetlistrc 
currently reads:

/-----------------------------------.gEDA/gnetlistrc-------------------
(hierarchy-traversal "enabled")

(hierarchy-uref-mangle "enabled")
(hierarchy-uref-separator "")

(hierarchy-netname-mangle "enabled")
(hierarchy-netname-separator "/")

(hierarchy-netattrib-mangle "disabled")
(hierarchy-netattrib-separator "/")

(unnamed-netname "noname")
\----------------------------------------------------------------------

I like to keep the component names in the layout as short as possible. 
This why I settled for pure integers as refdes for subsheet symbols.
So R42 on a sub sheet will become 1R42 in the layout for the first 
instance of the sub sheet. For the second instance, it will be 2R42.

---<)kaimartin(>---
-- 
Kai-Martin Knaak
kmk AT lilalaser DOT de
http://lilalaser.de/blog