Re: gEDA-user: next PCB release - 1.99za vs 4.0

[DJ Delorie <dj@xxxxxxxxxxx>]

> Now, how is the relationship between drawing layers and physical layers
> going to be shown to the user?
> 
> I think dual-color traces would be nice. (That is, have the main color
> correspond to the physical layer, with a stripe on the left side (say)
> corresponding to the drawing layer.)
> 
> What will the layer-selector look like? How will the user edit drawing
> layers? How about physical layers? I take it that only physical layers
> will have a "stacking order", and drawing layers will be mapped to one
> or more of these?
> 
> Also, will we require one of both "top" and "bottom" physical layers,
> to ease footprint mapping? What happens when these physical layers have
> no drawing layers mapped to them? If they have more than one drawing
> layer mapped to them?

All good questions :-)


The times I've done many-to-one mappings, I used shading for within
the group.  For example, the top layers were all red-ish and the
bottom layers were all green-ish.


Interesting thought - for buried vias, the "top" and "bottom" layers
correspond to inner physical layers, yet they need to be treated
differently as the annulus often needs to be bigger on layers where
the trace connects.  So an internal "buried via" element, before it's
placed, is not like other elements...


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