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Date:	Mon, 30 Apr 2012 07:26:25 -0700
Message-ID:	<CAOP4iL3TvFECT9PsFr1AfMqKHA10iRL7N82dgp0bHLjA2sAuDQ@mail.gmail.com>
Subject:	Re: [geda-user] Down schematic hierarchy question
From:	Ouabache Designworks <z3qmtr45 AT gmail DOT com>
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On Sun, Apr 29, 2012 at 4:13 PM, John Doty <jpd AT noqsi DOT com> wrote:

>
> On Apr 29, 2012, at 12:28 PM, John Griessen wrote:
>
> > On 04/29/2012 12:06 PM, John Doty wrote:
> >> Gschem is fully hierarchical
> >
> >
> > How do you define that?
> >
>
> It edits schematics in explicitly hierarchical form. When you edit a
> subschematic, you are editing the common subschematic behind all instances,
> not an instance from a flattened set of schematics. That is sane behavior
> for a hierarchical schematic editor.
>
> John Doty              Noqsi Aerospace, Ltd.
> http://www.noqsi.com/
> jpd AT noqsi DOT com
>
>
>
That is one sane behavior but not the only one. There are times when your
entire design is configured by attributes passed down from 5 levels above
that all you want to do is push down a level and see exactly what all that
setup has done to the lowest values.

It appears that gschem was never meant to elaborate a design and can only
operate on the pre-uniqified sources.  I am using gEDA to create design
documentation from  ip-xact files and it looks like I will need to perform
the elaboration and convert that output into schematic form.


Thanks all,


John Eaton

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<br><br><div class=3D"gmail_quote">On Sun, Apr 29, 2012 at 4:13 PM, John Do=
ty <span dir=3D"ltr">&lt;<a href=3D"mailto:jpd AT noqsi DOT com" target=3D"_blank"=
>jpd AT noqsi DOT com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class=3D"HOEnZb"><div class=3D"h5"><br>
On Apr 29, 2012, at 12:28 PM, John Griessen wrote:<br>
<br>
&gt; On 04/29/2012 12:06 PM, John Doty wrote:<br>
&gt;&gt; Gschem is fully hierarchical<br>
&gt;<br>
&gt;<br>
&gt; How do you define that?<br>
&gt;<br>
<br>
</div></div>It edits schematics in explicitly hierarchical form. When you e=
dit a subschematic, you are editing the common subschematic behind all inst=
ances, not an instance from a flattened set of schematics. That is sane beh=
avior for a hierarchical schematic editor.<br>

<div class=3D"HOEnZb"><div class=3D"h5"><br>
John Doty =A0 =A0 =A0 =A0 =A0 =A0 =A0Noqsi Aerospace, Ltd.<br>
<a href=3D"http://www.noqsi.com/" target=3D"_blank">http://www.noqsi.com/</=
a><br>
<a href=3D"mailto:jpd AT noqsi DOT com">jpd AT noqsi DOT com</a><br>
<br>
<br>
</div></div></blockquote></div><br>That is one sane behavior but not the on=
ly one. There are times when your entire design is configured by attributes=
 passed down from 5 levels above that all you want to do is push down a lev=
el and see exactly what all that setup has done to the lowest values.<br>
<br>It appears that gschem was never meant to elaborate a design and can on=
ly operate on the pre-uniqified sources.=A0 I am using gEDA to create desig=
n documentation from=A0 ip-xact files and it looks like I will need to perf=
orm the elaboration and convert that output into schematic form.<br>
<br><br>Thanks all,<br><br><br>John Eaton<br><br><br>

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