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From:	"Peter Clifton (petercjclifton AT googlemail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date:	Sat, 22 Apr 2017 10:10:16 +0100
Message-ID:	<CAJXU7q_pg7mS0ynGxq5NeEg8D9MpTfJ3NUq2kWNYetUWfNqNCA@mail.gmail.com>
Subject:	Re: [geda-user] slots in plane
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There was (is still I think) an action called something like "morphpoly" or
"morphpolygons". This turned the cleared polygon shapes into explicit
polygon outlines, so would fit with your description of being able to
remove the lines afterwards.

It probably has options to work on the selected polygon. I don't recall the
syntax fully, and I'm ill in bed - so can't immediately check.

Peter

On 22 Apr 2017 3:53 am, <gedau AT igor2 DOT repo DOT hu> wrote:

>
>
> On Fri, 21 Apr 2017, McKay, Roy L [PHYSA] (mckay AT iastate DOT edu) [via
> geda-user AT delorie DOT com] wrote:
>
>
>> Hi all,
>>
>>
>>
>>    Some years ago I cut slots in a power plane using the line operation
>> and
>> after the lines were drawn, remove them and the plane left the area of the
>> lines (+ clearances) open.  i.e. no copper of the plane filled back in
>> once
>> the lines were removed.  I now need to do that operation again and I
>> cannot
>> recall how to do it.  Would someone enlighten me how this is done.
>>
>>
>>
>>
> If you remove an object that has a clearence in a polygon, the polygon
> should be updated and the clearance should be gone. If it doesn't happen
> immediately it is a bug. Once you save and load the board, it will surely
> happen because the polygon is recalculated on load.
>
> For what you said there was another hack: to use lines with width=0 (and
> keep those lines). That would still apply the clearance, but since line
> with is 0 copper would not appear on some output. I am not sure which
> output formats did or did not break on this.
>
> HTH,
>
> Igor2

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<div dir=3D"auto">There was (is still I think) an action called something l=
ike &quot;morphpoly&quot; or &quot;morphpolygons&quot;. This turned the cle=
ared polygon shapes into explicit polygon outlines, so would fit with your =
description of being able to remove the lines afterwards.<div dir=3D"auto">=
<br></div><div dir=3D"auto">It probably has options to work on the selected=
 polygon. I don&#39;t recall the syntax fully, and I&#39;m ill in bed - so =
can&#39;t immediately check.</div><div dir=3D"auto"><br></div><div dir=3D"a=
uto">Peter</div></div><div class=3D"gmail_extra"><br><div class=3D"gmail_qu=
ote">On 22 Apr 2017 3:53 am,  &lt;<a href=3D"mailto:gedau AT igor2 DOT repo DOT hu">ge=
dau AT igor2 DOT repo DOT hu</a>&gt; wrote:<br type=3D"attribution"><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex"><br>
<br>
On Fri, 21 Apr 2017, McKay, Roy L [PHYSA] (<a href=3D"mailto:mckay AT iastate.=
edu" target=3D"_blank">mckay AT iastate DOT edu</a>) [via <a href=3D"mailto:geda-u=
ser AT delorie DOT com" target=3D"_blank">geda-user AT delorie DOT com</a>] wrote:<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
<br>
Hi all,<br>
<br>
=C2=A0<br>
<br>
=C2=A0=C2=A0 Some years ago I cut slots in a power plane using the line ope=
ration and<br>
after the lines were drawn, remove them and the plane left the area of the<=
br>
lines (+ clearances) open.=C2=A0 i.e. no copper of the plane filled back in=
 once<br>
the lines were removed.=C2=A0 I now need to do that operation again and I c=
annot<br>
recall how to do it.=C2=A0 Would someone enlighten me how this is done.<br>
<br>
=C2=A0<br>
<br>
</blockquote>
<br>
If you remove an object that has a clearence in a polygon, the polygon shou=
ld be updated and the clearance should be gone. If it doesn&#39;t happen im=
mediately it is a bug. Once you save and load the board, it will surely hap=
pen because the polygon is recalculated on load.<br>
<br>
For what you said there was another hack: to use lines with width=3D0 (and =
keep those lines). That would still apply the clearance, but since line wit=
h is 0 copper would not appear on some output. I am not sure which output f=
ormats did or did not break on this.<br>
<br>
HTH,<br>
<br>
Igor2</blockquote></div></div>

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