Re: gEDA-user: PCB format wishlist

[John Doty <jpd@xxxxxxxxx>]

On Sep 6, 2010, at 9:46 AM, Andrew Poelstra wrote:

> On Mon, Sep 06, 2010 at 09:32:44AM -0600, John Doty wrote:
>> 
>> But maybe, in the discussion of file formats, we can come up with a
>> way to describe a printed circuit board in a clean, well-factored way.
>> 
> 
> Well, what primitives would we need? The ones I can think of are
> trace, polygon, net and drc class.

Need some geometric shapes. Need to be able to attach material properties to them (including "vacuum" for holes). Net and properties for DRC are definitely not primitive.


> 
> I'm not even sure that 'trace' and 'polygon' need be distinct. (Though,
> by adding a bend parameter to a trace, we can obtain arcs - something
> that would look pretty kludgy on a polygon.)
> 
> 
> Andrew
> 
> 
> 
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John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd@xxxxxxxxx




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