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References:	<YQVx+yB2P1kXBWTw AT lepton> <202108282225 DOT 17SMPJHI011200 AT delorie DOT com>
In-Reply-To:	<202108282225.17SMPJHI011200@delorie.com>
From:	"Erich Heinzle (a1039181 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date:	Sun, 29 Aug 2021 08:39:53 +0930
Message-ID:	<CAHUm0tN3RVRRH01Tx1hv47PQcaUtzm4Fq5CXPFfkuhX3_8V9rQ@mail.gmail.com>
Subject:	Re: [geda-user] Lepton EDA 1.9.16 - any new export capabilities?
To:	geda-user <geda-user AT delorie DOT com>
Reply-To:	geda-user AT delorie DOT com

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pcb-rnd can load and save gEDA PCB,  KicadProtel Autotrax,  DSN and Eagle
layouts, along with their netlists, but exporting to Kicad would be a
retrograde conversion, in that Kicad has more limited support for arcs on
copper,  padstacks, slots and negative layer types than pcb-rnd.

If your design lacks these features,  the conversion should be closer to
lossless,  but Kicad struggles with things as simple as placing isolated
stitching vias, due to its insistance on allocating a net to all objects,
not breaking design backward compatability with Kicad dot revisions, and
using different track widths on the same net.

pcb-rnd can also load Eagle,  Kicad and BXL footprint libraries, allowing
you to take advantage of the Kicad ecosystem but remaining in a more
familiar environment.

eeschema differs a lot to gschem/lepton-schematic, in that symbols are
defined in the layout with associated rotation matrices,  making conversion
tedious.

gEDA PCB and pcb-rnd are netlist agnostic,  in that the source of the
netlist is up to the user, and a user can even start designing a pcb with
no schematic at all.   pcb-rnd can even import eeschema and various other
netlist formats such as from tinycad and Eagle.

Kicad,  on the other hand,  has pcbnew pretty tightly integrated with
eeschema,  and this may not suit everyone with particular workflow needs.

Regards,

Erich


On Sun, 29 Aug 2021 08:05 Tim G (groups16 AT synthify DOT com) [via
geda-user AT delorie DOT com], <geda-user AT delorie DOT com> wrote:

> As a fork from gEDA, I'm assuming Lepton is able to open gschem and
> pcb projects.
>
> I have a project that is in gEDA version 1.8.2 and pcb version
> 20140316 that I'd like to migrate into KiCad.
>
> I'm looking for an export path to
> KiCad.
> <https://forum.kicad.info/t/convert-gschem-to-kicad/23556>Prior
> searches last year did not turn up any good approaches.
>
> If I installed Lepton EDA and opened my design, are there any export
> options for KiCad? I didn't see anything explicitly listed in the
> <https://lepton-eda.github.io/lepton-manual.html/index.html>documentation.
>
>
>
>

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<div dir=3D"auto">pcb-rnd can load and save gEDA PCB,=C2=A0 KicadProtel Aut=
otrax,=C2=A0 DSN and Eagle layouts, along with their netlists, but exportin=
g to Kicad would be a retrograde conversion, in that Kicad has more limited=
 support for arcs on copper,=C2=A0 padstacks, slots and negative layer type=
s than pcb-rnd.<div dir=3D"auto"><br></div><div dir=3D"auto">If your design=
 lacks these features,=C2=A0 the conversion should be closer to lossless,=
=C2=A0 but Kicad struggles with things as simple as placing isolated stitch=
ing vias, due to its insistance on allocating a net to all objects, not bre=
aking design backward compatability with Kicad dot revisions, and using dif=
ferent track widths on the same net.=C2=A0</div><div dir=3D"auto"><br></div=
><div dir=3D"auto">pcb-rnd can also load Eagle,=C2=A0 Kicad and BXL footpri=
nt libraries, allowing you to take advantage of the Kicad ecosystem but rem=
aining in a more familiar environment.=C2=A0</div><div dir=3D"auto"><br></d=
iv><div dir=3D"auto">eeschema differs a lot to gschem/lepton-schematic, in =
that symbols are defined in the layout with associated rotation matrices,=
=C2=A0 making conversion tedious.</div><div dir=3D"auto"><br></div><div dir=
=3D"auto">gEDA PCB and pcb-rnd are netlist agnostic,=C2=A0 in that the sour=
ce of the netlist is up to the user, and a user can even start designing a =
pcb with no schematic at all.=C2=A0 =C2=A0pcb-rnd can even import eeschema =
and various other netlist formats such as from tinycad and Eagle.</div><div=
 dir=3D"auto"><br></div><div dir=3D"auto">Kicad,=C2=A0 on the other hand,=
=C2=A0 has pcbnew pretty tightly integrated with eeschema,=C2=A0 and this m=
ay not suit everyone with particular workflow needs.</div><div dir=3D"auto"=
><br></div><div dir=3D"auto">Regards,</div><div dir=3D"auto"><br></div><div=
 dir=3D"auto">Erich</div><div dir=3D"auto"><br></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, 29 Aug 2021 =
08:05 Tim G (<a href=3D"mailto:groups16 AT synthify DOT com">groups16 AT synthify DOT com=
</a>) [via <a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</=
a>], &lt;<a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>=
&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex">As a fork from gEDA, I&=
#39;m assuming Lepton is able to open gschem and <br>
pcb projects.<br>
<br>
I have a project that is in gEDA version 1.8.2 and pcb version <br>
20140316 that I&#39;d like to migrate into KiCad.<br>
<br>
I&#39;m looking for an export path to <br>
KiCad. <br>
&lt;<a href=3D"https://forum.kicad.info/t/convert-gschem-to-kicad/23556" re=
l=3D"noreferrer noreferrer" target=3D"_blank">https://forum.kicad.info/t/co=
nvert-gschem-to-kicad/23556</a>&gt;Prior <br>
searches last year did not turn up any good approaches.<br>
<br>
If I installed Lepton EDA and opened my design, are there any export <br>
options for KiCad? I didn&#39;t see anything explicitly listed in the <br>
&lt;<a href=3D"https://lepton-eda.github.io/lepton-manual.html/index.html" =
rel=3D"noreferrer noreferrer" target=3D"_blank">https://lepton-eda.github.i=
o/lepton-manual.html/index.html</a>&gt;documentation.<br>
<br>
<br>
<br>
</blockquote></div>

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