Re: gEDA-user: General Layers questions

[Martin Kupec <martin.kupec@xxxxxxxxx>]

On Fri, Mar 18, 2011 at 05:09:09PM -0400, DJ Delorie wrote:
> User level - a via is a connection between layers that I can add,
> remove, edit, and move around.
> 
> Tool level - a via is an anonymous (i.e. not part of an element) hole
> between layers electrically connecting copper pads on each layer.
> 
> Data layer - a via is a collection of N shapes on M conducting layers,
> with a collection of one or more shapes penetrating the insulators
> between those layers.
> 
> 
> I feel that the data layer is easiest to implement, but it seems to be
> what we're arguing about the most.  I say we should ignore that
> problem for now, until we have a better understanding of what we want
> at the other two layers.  The tool layer is going to be the hardest to
> design, because that's where we blend flexibility with ease of use.
> Picking the right tool-level design will give us both flexibility and
> ease of use ("use" includes both the user and the plugin writer).

All I am right now trying to figure out is how to do the "Data level"
in the right way, so the "Tool level" has no obstructions in it.

And it seems that we got some kind of agreeament in that.
	Martin Kupec



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