On Fri, Mar 18, 2011 at 01:20:43PM -0700, Steven Michalske wrote: > On Fri, Mar 18, 2011 at 1:11 PM, Stephan Boettcher > > The GUI must present footprints, vias, and hierachical sublayouts, both > > in copy on write and in truly hierachical fashion. But at the core, > > they work all just the same. Then there will be no more question if some > > feature is supported in elements or not, or how convoluted a via may be. > > > > I have had some convoluted vias for high speed signals. different > diameters on different layers, with different clearances from the > surrounding planes. And we really could have udes a DRC that checked > if the blind via ended on top of another signal trace..... High speed > noise coupled on to that trace.
That is still ok, to consider it as 'composite object'. There are just 2 problems. 1. The composite will really need different hole size on different layers. 2. There should be some clever DRC check added. Martin Kupec _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user