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Date: Thu, 20 Nov 2014 13:37:44 -0500
Message-ID: <CAM2RGhR5PHSJ_YogEPaHMqWES4y8CXfEbRoWryL8Q8kA=3nqhw@mail.gmail.com>
Subject: Re: [geda-user] PCB and 3D Views
From: Evan Foss <evanfoss AT gmail DOT com>
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Precedence: bulk

I don't agree on the identity issue. Take for example any number of
pressure sensors that use the DIP8 footprint and have a nozzle on the
top/side. To me that is exactly what you want this sort of thing for,
figuring out how to fit everything else around the parts on the PCB.

On Thu, Nov 20, 2014 at 12:42 PM, Milan Prochac <milan AT prochac DOT sk> wrote:
> On 20. 11. 2014 17:59, Kai-Martin Knaak wrote:
>>
>> Milan Prochac wrote:
>>
>>> Aligned with current  master/HEAD, there are some sample models,
>>> documentation (chapter in pcb.pdf) and small example, which should work
>>> out-of box, with result like this:
>>> http://pcb.bastl.sk/static/OpenSCAD.png
>>
>> Really curious:
>> How does this approach communicate the identity, position and orientation
>> of components?
>
>
> Identity: the footprint name should be stored in the Description field (as
> far i remember, gsch2pcb does this), model name should have the same name as
> footprint (extensions are removed/added)
> Position: it is stored in the PCB layout
> Orientation: the rotation is calculated from position of the first pin/pad
> on component instantiated on board and from position of first pin/pad in
> footprint file (footprint name should be stored in Description field).
>
> This method does not touch the existing codebase and internal structures.
> Having the rotation stored in the PCB layout, the filter code can be reduced
> by one half...
>
> Milan
>
>> ---<)kaimartin(>---
>
>



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