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Subject: Re: [geda-user] Proposing a New Hierarchical Data Structure?
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From: John Doty <jpd AT noqsi DOT com>
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Date: Sun, 20 Dec 2015 18:08:43 -0700
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On Dec 20, 2015, at 5:15 PM, Jason White =
(whitewaterssoftwareinfo AT gmail DOT com) [via geda-user AT delorie DOT com] =
<geda-user AT delorie DOT com> wrote:

> With that said I am looking for ideas regarding the most general
> way(s) to represent multilayer PCB designs with features such as:
> (these are random things off of the top of my head)
> * Padstacks
> * Blind and buried vias
> * Repeated sub-layouts (picture a 16 channel audio mixer)
> * Internal cutouts
> * Dimensioning
> * Differential signal pairs
> * Arbitrary footprint attributes (ie. showing resistor value, and
> refdes at the same time on silkscreen)
> * Representing RF structures (Better trapezoids and arcs)
> * Elements rotated at arbitrary angles (not just multiples of 90)
> * Arbitrary groups of elements (that can be rotated)
> * Arbitrary shaped pins (groups of simple shapes)
> * Ability to remove solder mask from arbitrary traces and areas
> * Netlist attributes

Ugh. So complicated. The real challenge is not the impossible one of =
enumerating all of the possible composite objects, but to give the user =
the tools to compose objects.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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