DJ Delorie wrote: > Consider a ground plane on the back of a two-layer board. It's a big > rectangle. However, traces on the back may "cut out" part of the > rectangle to leave a bare area. You cannot use a thermal to connect > to the ground plane here, but if you just look at the big rectangle > you'd think you could. > > This is less of an issue if the ground plane is on an internal layer, > only because there's less chance of there being traces there. Still > you have to check no matter which layer it's on. > > Got it! Thanks! When I briefly tried putting a polygon over existing traces, I thought it connected them all together. I didn't know that polygons automatically kept away from traces, or that traces could cut out of a polygon.
I'll have to experiment some more on that! Thanks, -Jesse _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user