Mail Archives: geda-user/2015/07/15/03:17:07
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I once wrote a DXF importer for PCB. Better say, a small utility, that
converts a dxf to a PCB file. I can send my sources later today.
Lev
On Wed, Jul 15, 2015 at 5:29 AM, Evan Foss (evanfoss AT gmail DOT com) [via
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
> On Tue, Jul 14, 2015 at 1:03 PM, Vaclav Peroutka (vaclavpe AT seznam DOT cz)
> [via geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
> >
> > However it nearly always has some kind of panel mounting. When I start a
> > layout, I nearly always want to start with the mechanical components, to
> > say: distribute these switches/LEDS between here and here, on 20mm
> centres.
> > This is trivial with 2D MCAD, but cumbersome with PCB.
> >
> >
> > Good idea. All profesional flows start with "mechanical" design of PCB -
> > mounting holes, connectors, LEDs, switches etc. These footprints must
> not be
> > touched later. Then placement and layout of all non-mechanical components
>
> I like this a lot. Could we use a library that already exists to
> import dxf or something? Most of my projects for work do start this
> way. I do have some where the prototyping and etc are more important
> than a case.
>
> > Another question - is there any process of pre-placement in PCB ?
> Somehow to
> > extract positions from SCH file and load it to PCB - footprints will be
> > moved to similar places like in schematic.
>
> I vaguely recall someone talking about it. I don't think it ever got
> to a fit to ship state obviously.
>
> --
> Home
> http://evanfoss.googlepages.com/
> Work
> http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/
>
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<div dir=3D"ltr"><div>I once wrote a DXF importer for PCB. Better say, a sm=
all utility, that converts a dxf to a PCB file. I can send my sources later=
today.<br><br></div>Lev<br></div><div class=3D"gmail_extra"><br><div class=
=3D"gmail_quote">On Wed, Jul 15, 2015 at 5:29 AM, Evan Foss (<a href=3D"mai=
lto:evanfoss AT gmail DOT com">evanfoss AT gmail DOT com</a>) [via <a href=3D"mailto:geda=
-user AT delorie DOT com">geda-user AT delorie DOT com</a>] <span dir=3D"ltr"><<a href=
=3D"mailto:geda-user AT delorie DOT com" target=3D"_blank">geda-user AT delorie DOT com</=
a>></span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0=
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=3D"">On =
Tue, Jul 14, 2015 at 1:03 PM, Vaclav Peroutka (<a href=3D"mailto:vaclavpe AT s=
eznam.cz">vaclavpe AT seznam DOT cz</a>)<br>
[via <a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>] &l=
t;<a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>> wr=
ote:<br>
><br>
> However it nearly always has some kind of panel mounting. When I start=
a<br>
> layout, I nearly always want to start with the mechanical components, =
to<br>
> say: distribute these switches/LEDS between here and here, on 20mm cen=
tres.<br>
> This is trivial with 2D MCAD, but cumbersome with PCB.<br>
><br>
><br>
> Good idea. All profesional flows start with "mechanical" des=
ign of PCB -<br>
> mounting holes, connectors, LEDs, switches etc. These footprints must =
not be<br>
> touched later. Then placement and layout of all non-mechanical compone=
nts<br>
<br>
</span>I like this a lot. Could we use a library that already exists to<br>
import dxf or something? Most of my projects for work do start this<br>
way. I do have some where the prototyping and etc are more important<br>
than a case.<br>
<span class=3D""><br>
> Another question - is there any process of pre-placement in PCB ? Some=
how to<br>
> extract positions from SCH file and load it to PCB - footprints will b=
e<br>
> moved to similar places like in schematic.<br>
<br>
</span>I vaguely recall someone talking about it. I don't think it ever=
got<br>
to a fit to ship state obviously.<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
--<br>
Home<br>
<a href=3D"http://evanfoss.googlepages.com/" rel=3D"noreferrer" target=3D"_=
blank">http://evanfoss.googlepages.com/</a><br>
Work<br>
<a href=3D"http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/" =
rel=3D"noreferrer" target=3D"_blank">http://forge.abcd.harvard.edu/gf/proje=
ct/epl_engineering/wiki/</a><br>
</div></div></blockquote></div><br></div>
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