On Fri, 2011-05-13 at 11:09 -0600, John Doty wrote: > In ancient Greek astronomy, when the theory of planetary motion didn't > fit the data, they added "epicycles". "Layers" have become pcb's > epicycles: every time somebody wants a "feature", they propose a new > kind of layer. FWIW, I'd love to see PCB's enforce one "layer" per "layer" of the board, tagging objects if necessary to implement similar functionality to what we currently use "layers" and "layer groups" for. Mechanical drawing overlays could still sensibly be called "layers", even if they are quite distinct from the physical representation of the PCB board. -- Peter Clifton Electrical Engineering Division, Engineering Department, University of Cambridge, 9, JJ Thomson Avenue, Cambridge CB3 0FA Tel: +44 (0)7729 980173 - (No signal in the lab!) Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me)
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