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To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Hierarchical designs
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	message dated "Thu, 07 Nov 2013 19:47:05 -0800."
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Date:	Sat, 9 Nov 2013 14:47:40 +0100 (CET)
From:	karl AT aspodata DOT se (Karl Hammar)
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bsalinux:
> I'm trying to start on the multi sheet and hierarchical features of gEDA.
...

 There is a small howto at:

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

 There is a tool to make hier. sheets at:

http://turkos.aspodata.se/git/openhw/pdftosym/pintosym.pl

it will create a sym file and create/update 
a templete sch file for the subsheet.

 An example is available at:

http://turkos.aspodata.se/git/openhw/pdftosym/examples.pintosym/hier.pins

 Use pod2text view its doc:

$ pod2text pintosym.pl
...
    Do some special action:

     source <file_format>

    The file we are creating is a "source"-symbol to be used for
    hierarchical/mult.page schematics. This special will change the normal
    symbol creation process:

    .   the attribute "source=<file_format>" will be included

    .   the file named by <file_format> will be checked and created or
        updated so it contains, for each pin, one net symbol with a
        (invisible) "net=value:1", and a (visible) "refdes=value" attribute,
        where value is equal to resp. pins pinlabel attribute.

    The net symbol to be used is decided by the first "source-map" line
    which <perl_expression> evals to true.

     source-map=<net-sym-name> <alignment> <dx> <dy> <perl_expression>
...

Regards,
/Karl Hammar

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