Re: gEDA-user: General Layers questions

[Martin Kupec <martin.kupec@xxxxxxxxx>]

On Fri, Mar 18, 2011 at 01:52:38PM -0700, Jared Casper wrote:
> On Fri, Mar 18, 2011 at 1:44 PM, DJ Delorie <dj@xxxxxxxxxxx> wrote:
> > At the design/edit level, that layer is a copper layer.  Note to John:
> ....
> > And DRC freaks out because it has two separate incompatible sets of
> > rules to apply to it.
That is one of the things that causes me nightmares. I know that is
should cause nightmares just to the DRC, but I can imagin that the set
of rules will be even incompatible 'inside' the DRC checker.
Like: This type of element is not considered in this layer, so just drop
it. And add that same element to each of those elements because they are
just there and it is not needed to draw them.

This kind of thing can REALLY happen inside DRC checker.
> >
> 
> But if I am doing that (just to extend this silly example too far), I
> would want the DRC checker to ensure that it obeys both the rules for
> copper _and_ for silk.  If those are incompatible sets then I have to
> deal with the failed DRC for one of them because I am asking the tool
> to do something that doesn't agree with with the DRC rules I have
> asked it to check, but I would still like to know that is what I'm
> doing.

I can provide some 'copy on write' mechanism for copying one layer into
another. But I still don't want to have two types in one layer.

	Martin Kupec



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