----- Original Message -----
> From: Lorenzo Marcantonio <l.marcanto...@logossrl.com>
> To: Kicad Developers <kicad-developers@lists.launchpad.net>
> Cc:
> Sent: Thursday, June 5, 2014 7:43 AM
> Subject: Re: [Kicad-developers] CERN work package 4 (Extend number of layers)
>
> On Wed, Jun 04, 2014 at 03:35:05PM -0400, Wayne Stambaugh wrote:
>> Backwards compatibility is not optional. We should always be able read
>
[snip]
> The only constraint to allocating slot numbers is the need to flip
> layers, i.e. determine the paired layer number. For fixed layer it's
> easy, they are enumerated. Single custom layers don't have the problem.
> Paired custom layers need to be identified. Other operations are always
> trivial IIRC.
>
We can add yet another parameter associated with a layer, for example:
1. top / bottom
2. top / bottom / inner
In scheme (1) we can immediately decide whether a layer needs to be flipped or
not.
scheme In (2) we can also apply constraints to copper layers such as
routing keepout for top / bottom / inner / all.
Maybe some other scheme would suit us better.
- Cirilo
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