Mail Archives: geda-user/2020/09/25/10:58:08
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| Fri, 25 Sep 2020 07:38:57 -0700 (PDT)
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| Subject: | Re: [geda-user] generate complex outline in pcb?
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| To: | geda-user AT delorie DOT com
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| References: | <ad8a00e4-d929-5ce7-5f71-917f61765a0d AT neurotica DOT com>
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| <CAHUm0tMddGdAPWaB3SEgCnY1SZVYrQX9+Fbr8OnBBBS2nt7Xrw AT mail DOT gmail DOT com>
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| <aa964644-b2b8-21c5-07ae-23d1c7ec012d AT gmail DOT com>
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| <CAJZxidAeg6AbWTZ-r-kGV4edGsT+0MjOQXo4ZLhfkftJ-1ifhA AT mail DOT gmail DOT com>
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| From: | "Dr M C Nelson (drmcnelson AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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| Message-ID: | <acc7b93b-a3e3-9304-aada-ffec97d95e33@gmail.com>
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| Date: | Fri, 25 Sep 2020 10:38:56 -0400
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This is a multi-part message in MIME format.
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Oh, I see.
I do that with the editor, or by writing a bash script, or a python
script, to read the file and create a new one with whatever changes I
want to make.
I think I might have a python library from an old project that
implements the file syntax specification from the manual
In any case, it would be a good idea.
On 9/25/20 9:27 AM, Chad Parker (parker DOT charles AT gmail DOT com) [via
geda-user AT delorie DOT com] wrote:
> He also wants to scale it to be larger, if I read his message
> correctly. Copying, sure, but not the scaling.
>
> On Fri, Sep 25, 2020, 09:25 Dr M C Nelson (drmcnelson AT gmail DOT com
> <mailto:drmcnelson AT gmail DOT com>) [via geda-user AT delorie DOT com
> <mailto:geda-user AT delorie DOT com>] <geda-user AT delorie DOT com
> <mailto:geda-user AT delorie DOT com>> wrote:
>
>
> Why can't you simply select, copy and paste it from the silk layer
> to the outline layer?
>
>
>
> On 9/25/20 1:24 AM, Erich Heinzle (a1039181 AT gmail DOT com
> <mailto:a1039181 AT gmail DOT com>) [via geda-user AT delorie DOT com
> <mailto:geda-user AT delorie DOT com>] wrote:
>> I would get the image into inkscape, at which point you could either
>>
>> 1) if it is a non convex shape/logo, import into inkscape, do
>> some edge detection, and apply a suitably fat stroke width to the
>> path, export as graphic with a grown margin, then import the
>> graphic, apply edge detection to the enlarged graphic, and export
>> the paths with
>>
>> inkscape2pcb
>>
>> 2) if it is a convex logo/shape, import graphic into inkscape,
>> scale enough to create a grown border, do edge detection, and
>> export path with
>>
>> inkscape2pcb
>>
>> See
>>
>> https://inkscape.org/~erichVK5/%E2%98%85inkscape2pcb
>>
>> Inkscape2pcb allows some scaling too.
>>
>> The pcb-rnd version of inkscape2pcb will also export polygons as
>> well as lines degining it's border in the footprint, after
>> confirming that the path defines a simply polygon.
>>
>> Regards,
>>
>> Erich
>>
>> On Fri, 25 Sep 2020 13:34 Dave McGuire (mcguire AT neurotica DOT com
>> <mailto:mcguire AT neurotica DOT com>) [via geda-user AT delorie DOT com
>> <mailto:geda-user AT delorie DOT com>], <geda-user AT delorie DOT com
>> <mailto:geda-user AT delorie DOT com>> wrote:
>>
>>
>> Hey folks. I'm designing a board that needs to have a
>> very complex
>> outline. Starting from an image file, I've gotten what I
>> need into the
>> silkscreen layer, but now I'd like to essentially take the
>> shape that's
>> there and draw a line 1mm or so around the outside of the
>> entire shape,
>> for the outline.
>>
>> Can anyone suggest an automated way to do this? I'd just
>> trace it,
>> but the outline is, as I said, very complex.
>>
>> Thanks,
>> -Dave
>>
>> --
>> Dave McGuire, AK4HZ
>> New Kensington, PA
>>
>
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Oh, I see.<br>
<br>
I do that with the editor, or by writing a bash script, or a
python script, to read the file and create a new one with whatever
changes I want to make.<br>
<br>
I think I might have a python library from an old project that
implements the file syntax specification from the manual<br>
<br>
In any case, it would be a good idea.<br>
<br>
<br>
<div class="moz-cite-prefix">On 9/25/20 9:27 AM, Chad Parker
(<a class="moz-txt-link-abbreviated" href="mailto:parker DOT charles AT gmail DOT com">parker DOT charles AT gmail DOT com</a>) [via <a class="moz-txt-link-abbreviated" href="mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>] wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAJZxidAeg6AbWTZ-r-kGV4edGsT+0MjOQXo4ZLhfkftJ-1ifhA AT mail DOT gmail DOT com">
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<div dir="auto">He also wants to scale it to be larger, if I read
his message correctly. Copying, sure, but not the scaling.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, Sep 25, 2020, 09:25 Dr
M C Nelson (<a href="mailto:drmcnelson AT gmail DOT com"
moz-do-not-send="true">drmcnelson AT gmail DOT com</a>) [via <a
href="mailto:geda-user AT delorie DOT com" moz-do-not-send="true">geda-user AT delorie DOT com</a>]
<<a href="mailto:geda-user AT delorie DOT com"
moz-do-not-send="true">geda-user AT delorie DOT com</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div> <br>
Why can't you simply select, copy and paste it from the silk
layer to the outline layer?<br>
<br>
<br>
<br>
<div>On 9/25/20 1:24 AM, Erich Heinzle (<a
href="mailto:a1039181 AT gmail DOT com" target="_blank"
rel="noreferrer" moz-do-not-send="true">a1039181 AT gmail DOT com</a>)
[via <a href="mailto:geda-user AT delorie DOT com"
target="_blank" rel="noreferrer" moz-do-not-send="true">geda-user AT delorie DOT com</a>]
wrote:<br>
</div>
<blockquote type="cite">
<div dir="auto">
<div dir="auto">I would get the image into inkscape, at
which point you could either</div>
<div dir="auto"><br>
</div>
<div dir="auto">1) if it is a non convex shape/logo,
import into inkscape, do some edge detection, and
apply a suitably fat stroke width to the path, export
as graphic with a grown margin, then import the
graphic, apply edge detection to the enlarged graphic,
and export the paths with</div>
<div dir="auto"><br>
</div>
inkscape2pcb
<div dir="auto"><br>
</div>
<div dir="auto">2) if it is a convex logo/shape, import
graphic into inkscape, scale enough to create a grown
border, do edge detection, and export path with</div>
<div dir="auto"><br>
</div>
<div dir="auto">inkscape2pcb</div>
<div dir="auto"><br>
</div>
<div dir="auto">See</div>
<div dir="auto"><br>
</div>
<div dir="auto"><a
href="https://inkscape.org/~erichVK5/%E2%98%85inkscape2pcb"
target="_blank" rel="noreferrer"
moz-do-not-send="true">https://inkscape.org/~erichVK5/%E2%98%85inkscape2pcb</a><br>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">Inkscape2pcb allows some scaling too.</div>
<div dir="auto"><br>
</div>
<div dir="auto">The pcb-rnd version of inkscape2pcb will
also export polygons as well as lines degining it's
border in the footprint, after confirming that the
path defines a simply polygon.</div>
<div dir="auto"><br>
</div>
<div dir="auto">Regards,</div>
<div dir="auto"><br>
</div>
<div dir="auto">Erich</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, 25 Sep 2020
13:34 Dave McGuire (<a
href="mailto:mcguire AT neurotica DOT com" target="_blank"
rel="noreferrer" moz-do-not-send="true">mcguire AT neurotica DOT com</a>)
[via <a href="mailto:geda-user AT delorie DOT com"
target="_blank" rel="noreferrer"
moz-do-not-send="true">geda-user AT delorie DOT com</a>],
<<a href="mailto:geda-user AT delorie DOT com"
target="_blank" rel="noreferrer"
moz-do-not-send="true">geda-user AT delorie DOT com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
Hey folks. I'm designing a board that needs to
have a very complex <br>
outline. Starting from an image file, I've gotten
what I need into the <br>
silkscreen layer, but now I'd like to essentially take
the shape that's <br>
there and draw a line 1mm or so around the outside of
the entire shape, <br>
for the outline.<br>
<br>
Can anyone suggest an automated way to do this?
I'd just trace it, <br>
but the outline is, as I said, very complex.<br>
<br>
Thanks,<br>
-Dave<br>
<br>
-- <br>
Dave McGuire, AK4HZ<br>
New Kensington, PA<br>
</blockquote>
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