Re: gEDA-user: General Layers questions

[John Doty <jpd@xxxxxxxxx>]

On Mar 19, 2011, at 2:03 PM, Steven Michalske wrote:

> Oh my!  You can draw The plating on the insulator layer. Thus making the plating a real object of conductor.... This is more 3d cad leaking through.

DJ once made the observation that pcb's basic problem is the lack of a proper layer stackup abstraction. My opinion is that designing for metaphysical pseudo-layers like the proposed "hole layer" is a major barrier to correctly modeling a circuit board as a layered stack. Stacking of plane layers is fundamentally a 3D concept.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd@xxxxxxxxx




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