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| Thu, 12 May 2016 08:35:29 -0700 (PDT) | |
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| Date: | Thu, 12 May 2016 16:35:29 +0100 |
| Message-ID: | <CAJXU7q9vhP499rYBRtw9eAkMiKx7ThGtgqJasByY8XPoApFAhQ@mail.gmail.com> |
| Subject: | Re: [geda-user] PCB polygon islan clearing doesn't seem to work |
| From: | "Peter Clifton (petercjclifton AT googlemail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> |
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--001a11352400753b940532a6e8d5 Content-Type: text/plain; charset=UTF-8 I had a "pours" branch (which hasn't been maintained recently), which used to fix the connectivity issues. Try a test "full" polygon, split into two pieces with a clearing track. Place a component on each side, and connect legs / pads to the polygon (e.g. with a thermal). Hit "f" on one of the pads, and see if it thinks the other side is connected... for me (my current HEAD), it mistakenly thinks there is a connection. If there is interest, I could revive the "pours" branch to provide correct connectivity checking for "full" polygons. At the time I implemented it though, I don't think I tied the behaviour to the "full" flag, and instead had it affecting _ALL_ polygons... which is less good. Peter On 12 May 2016 at 11:01, michalwd1979 (michalwd1979 AT o2 DOT pl) [via geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote: > > > > > The small island clearing feature does not work. > > > > > > I would suggest NOT using "full" polygons, if you have enabled that, as > you will find that PCB also cannot track connectivity correctly if the > polygon is cut into pieces. Instead, use the default option of non "full" > polygons, and let PCB keep only the largest polygon piece.> > > > > You may need to add multiple polygons to cover the areas you want. > > Peter > > > > > > Peter is is apply also to Yours opengl pcb version? For me full and non > full polygons works OK with pcb from: > http://repo.or.cz/w/geda-pcb/pcjc2.git > Michael Widlok. > > > > --001a11352400753b940532a6e8d5 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div><div><div>I had a "pours" branch (which has= n't been maintained recently), which used to fix the connectivity issue= s.<br><br></div>Try a test "full" polygon, split into two pieces = with a clearing track. Place a component on each side, and connect legs / p= ads to the polygon (e.g. with a thermal).<br><br></div>Hit "f" on= one of the pads, and see if it thinks the other side is connected... for m= e (my current HEAD), it mistakenly thinks there is a connection.<br><br></d= iv><div>If there is interest, I could revive the "pours" branch t= o provide correct connectivity checking for "full" polygons. At t= he time I implemented it though, I don't think I tied the behaviour to = the "full" flag, and instead had it affecting _ALL_ polygons... w= hich is less good.<br><br></div><div>Peter<br></div></div><div class=3D"gma= il_extra"><br><div class=3D"gmail_quote">On 12 May 2016 at 11:01, michalwd1= 979 (<a href=3D"mailto:michalwd1979 AT o2 DOT pl">michalwd1979 AT o2 DOT pl</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">ged= a-user AT delorie DOT com</a>></span> wrote:<br><blockquote class=3D"gmail_quot= e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">= <span class=3D""><br> ><br> > The small island clearing feature does not work.<br> ><br> ><br> > I would suggest NOT using "full" polygons, if you have enabl= ed that, as you will find that PCB also cannot track connectivity correctly= if the polygon is cut into pieces. Instead, use the default option of non = "full" polygons, and let PCB keep only the largest polygon piece.= ><br> ><br> > You may need to add multiple polygons to cover the areas you want.<br> > Peter<br> ><br> ><br> <br> </span>Peter is is apply also to Yours opengl pcb version? For me full and = non full polygons works OK with pcb from: <a href=3D"http://repo.or.cz/w/ge= da-pcb/pcjc2.git" rel=3D"noreferrer" target=3D"_blank">http://repo.or.cz/w/= geda-pcb/pcjc2.git</a><br> Michael Widlok.<br> <br> <br> <br> </blockquote></div><br></div> --001a11352400753b940532a6e8d5--
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