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| Date: | Thu, 29 Oct 2015 15:33:53 -0800 |
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| Subject: | Re: [geda-user] support arcs with square ends?, ellipse segment arcs? |
| From: | "Britton Kerin (britton DOT kerin AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> |
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--001a1145b66074fac8052346be58 Content-Type: text/plain; charset=UTF-8 On Tue, Oct 27, 2015 at 2:32 PM, Nicklas Karlsson ( nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] < geda-user AT delorie DOT com> wrote: > On Tue, 27 Oct 2015 22:44:30 +0100 > Kai-Martin Knaak <knaak AT iqo DOT uni-hannover DOT de> wrote: > > > DJ Delorie wrote: > > > > >> As is now arcs for 90 degrees work well but ideally arc angle should > > >> depend on connecting lines, did I understand this correct? > > I was thinking like in the attached pictures, 90 degrees work well but not > 45 degrees, it will probably be a lot more useful if angle is adjusted > automatically to line or trace angles. I do not consider it important, It's > just comment how I think it ideally would work. > > > > Arcs with arbitrary start/end angles are already supported, and used > > > by the pullers and toporouter. > > I have seen it on https://www.youtube.com/watch?v=NqT4ZYGB3VY and it is > amazing. > > > There is a patch on launchpad which adds support for arbitrary angles to > > the GUI: https://bugs.launchpad.net/geda-project/+bug/699435 Looks like this patch doesn't touch search.c or find.c, which unless I'm much mistaken means connectivity/DRC won't work. Current master just has notes to the effect that current code is broken for non-circular arcs. I now have circular arcs working almost right (only not done is thickness > radius). I'll try to publish a branch later today. Non-circular is a bit harder as it needs iterative solution. If you have strong reason to believe it's worth it it could be done, but I suspect the energy would be better spent elsewhere. Britton --001a1145b66074fac8052346be58 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><br><div class=3D"gmail_extra"><br><div class=3D"gmail_quo= te">On Tue, Oct 27, 2015 at 2:32 PM, Nicklas Karlsson (<a href=3D"mailto:ni= cklas DOT karlsson17 AT gmail DOT com">nicklas DOT karlsson17 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"l= tr"><<a href=3D"mailto:geda-user AT delorie DOT com" target=3D"_blank">geda-use= r AT delorie DOT com</a>></span> wrote:<br><blockquote class=3D"gmail_quote" st= yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span= class=3D"">On Tue, 27 Oct 2015 22:44:30 +0100<br> Kai-Martin Knaak <<a href=3D"mailto:knaak AT iqo DOT uni-hannover DOT de">knaak AT iqo= .uni-hannover.de</a>> wrote:<br> <br> > DJ Delorie wrote:<br> ><br> > >> As is now arcs for 90 degrees work well but ideally arc angle= should<br> > >> depend on connecting lines, did I understand this correct?<br= > <br> </span>I was thinking like in the attached pictures, 90 degrees work well b= ut not 45 degrees, it will probably be a lot more useful if angle is adjust= ed automatically to line or trace angles. I do not consider it important, I= t's just comment how I think it ideally would work.<br> <span class=3D""><br> > > Arcs with arbitrary start/end angles are already supported, and u= sed<br> > > by the pullers and toporouter.<br> <br> </span>I have seen it on <a href=3D"https://www.youtube.com/watch?v=3DNqT4Z= YGB3VY" rel=3D"noreferrer" target=3D"_blank">https://www.youtube.com/watch?= v=3DNqT4ZYGB3VY</a> and it is amazing.<br> <span class=3D""><br> > There is a patch on launchpad which adds support for arbitrary angles = to<br> > the GUI:=C2=A0 =C2=A0 =C2=A0 <a href=3D"https://bugs.launchpad.net/ged= a-project/+bug/699435" rel=3D"noreferrer" target=3D"_blank">https://bugs.la= unchpad.net/geda-project/+bug/699435</a></span></blockquote><div><br></div>= <div style=3D"">Looks like this patch doesn't touch search.c or find.c,= which unless I'm much mistaken means connectivity/DRC won't work.= =C2=A0 Current master just has notes to the effect that current code is bro= ken for non-circular arcs.=C2=A0 I now have circular arcs working almost ri= ght (only not done is thickness > radius). =C2=A0 I'll try to publis= h a branch later today.</div><div style=3D""><br></div><div style=3D"">Non-= circular is a bit harder as it needs iterative solution.=C2=A0 If you have = strong reason to believe it's worth it it could be done, but I suspect = the energy would be better spent elsewhere.</div><div><br></div><div style= =3D"">Britton=C2=A0</div><div><br></div></div></div></div> --001a1145b66074fac8052346be58--
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