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Date: Wed, 6 Jan 2016 15:53:55 +0100
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Subject: Re: [geda-user] A fileformat library (blind/buried vias)
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> > If it where possible to bunch together the ordinary drawing primitives including drilled plated or not holes in something called a via it would be no problem to draw buried vias?
> 
> Yes. But part of the reason pcb can’t do this is that it doesn’t model all of the layers in a consistent way, especially the insulating ones.

Then there is a starting point, how to tell pcb thru which insulating layer hole should be drilled? There is named layers which could be used. Howto tell pcb there should be a plated hole between these layers?

Then pcb know between which layers hole should be drilled and the pad stack it can figure thru which boards hole should be drilled but I would prefer to store on which layer hole should be.

Which information do you consider most imporant for a buried/blind via: Thru which layers hole should be drilled? Or which named layers should be connected?

I know about the pin macro, do you know how a hole is represented on an insulating layer? The figuring out which where holes should be drilled data is searched for pin attributes? Or some other object on the insulating layer?


Nicklas Karlsson