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From: geda AT psjt DOT org (Stephan =?utf-8?Q?B=C3=B6ttcher?=)
To: "Nicklas Karlsson \(nicklas.karlsson17\@gmail.com\) \[via geda-user\@delorie.com\]" <geda-user AT delorie DOT com>
Subject: Re: [geda-user] The nature of gEDA users
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	<E7D351BF-5BBB-41AC-B996-D5E27079A82C AT noqsi DOT com>
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Date: Wed, 27 Jan 2016 08:14:04 +0100
In-Reply-To: <20160126233332.dec2f06f5c74354a3841989c@gmail.com> (Nicklas
	Karlsson's message of "Tue, 26 Jan 2016 23:33:32 +0100")
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"Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via
geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> writes:

>> > But the first steps should not be "implement b/b vias" or "allow more
>> > than one pair of outer layers".  It should be something like "express
>> > Elements and Vias as subclasses of generic containers that can include
>> > anything".
>> 
>> +1
>> 
>> John Doty              Noqsi Aerospace, Ltd.
>> http://www.noqsi.com/
>> jpd AT noqsi DOT com
>
> I am probably on same track. A via or hole is: drilled cut out thru
> all layers with plating

No.  A via is a collection of circles, negative circles, thermals on
conductive layers, and a circle on a layer connecting the copper circles.

The technology and DRC ruleset knows that the circles shall be drilled
at slightly larger diameter and filled with plating, and check the
copper circles accordingly.  But that is several orders up in the
abstractions stack.

-- 
Stephan