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Date:	Wed, 14 Jul 2021 16:50:02 +0200
From:	"Gabriel Paubert (paubert AT iram DOT es) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	"Erich Heinzle (a1039181 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Subject:	Re: [geda-user] file format cooperation
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On Wed, Jul 14, 2021 at 09:53:39PM +0930, Erich Heinzle (a1039181 AT gmail DOT com) [via geda-user AT delorie DOT com] wrote:
> It should be noted that pcb-rnd can import and export in gEDA PCB format
> (and kicad XML, eagle xml, eagle binary, protel autotrax...), it's just
> that you inevitably lose features by exporting like this because PCB's (and
> kicad's, protel's, eagle's) data model(s) is(are) a subset of pcb-rnd's.
> 
> I have two separate exporters in inkscape2pcb for this reason, one that
> exports to gEDA PCB .fp format, and the other to pcb-rnd .lht format, which
> natively allows polygons within footprints, arcs, and text, along with any
> other feature you find on a layout.
> 
> I think the lesson is that you need a save file format that can adequately
> express the feature set being used on a board, rather than having the
> feature set used on the board being constrained by the save file format.

Seconded.

	Gabriel

> 
> My two cents worth.
> 
> Erich
> 
> 
> > pcb has spawned a clone (2014-ish) with an entirely different native
> > file format, I won't call that a "vendor lock" in though, it's
> > effectively preventing users to swap applications "on the fly", and we
> > can learn from this.
> >
> >
> >
> >
 

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