Re: gEDA-user: General Layers questions

[Thomas Oldbury <toldbury@xxxxxxxxx>]

   Reading the section on blind and buried vias had me interested.
   However, shouldn't vias be assigned layers (and not the other way
   around?) It would probably make the code simpler - clicking on a via
   would give immediate information about layers it belongs to, whereas
   having vias assigned to layers would mean a costly lookup through all
   layers to find the via.

   On 14 March 2011 21:42, Martin Kupec <[1]martin.kupec@xxxxxxxxx> wrote:

     Hello,
     First of all, I want to appologice for long delay. I have been ill,
     than had to
     do work(school actually) tip, than ill again :-(. I should be fine
     and responsive now.
     If I stop responding feel free to ping me on/off list, I will
     probably
     give explanation :-).
     I have rewritten the wiki page about "New layers concept"
     ([2]http://geda.seul.org/wiki/geda:pcb_layers).
     I have tried to reflect all the responses I got. But I am not shure
     that I
     have managed to do it. So I have to ask you all, who are interested,
     to read
     the page and raise concerns again. I hope I have not missed too
     much.
     There is one big question. I can think of two concepts how to draw
     elements, especialy lines.
     1. Line is drawn on copper layer, it has properties like, mask and
     paste. This properties are reflected on proper layers e.g. mask
     layer.
     The problem is, on which mask layer? The one active at the time the
     component was added? How to edit such properties? On copper layer
     line?
     On mask layer?
     2. Line on copper layer has no properties describing mask and paste.
     It has some attached elements on other layers. When the line is
     created
     another line is created on active mask layer. The line on mask layer
     can
     be safely adjusted or even deleted. Problem is how to reflect, that
     I
     have moved the copper layer line?
     It is needed to decide which concept to use, I have no preferences,
     and
     describe closely how it should behave. The problem is that working
     on
     copper/mask/paste layers is somewhat interconnected....
     One more thing. I cannot force you, but the preferred way of editing
     that page is by raising questions/concerns here. This excludes
     non-semantic changes. Someone with better knowleadge of English is
     welcome to correct that page :-).
            Martin Kupec
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References

   1. mailto:martin.kupec@xxxxxxxxx
   2. http://geda.seul.org/wiki/geda:pcb_layers
   3. mailto:geda-user@xxxxxxxxxxxxxx
   4. http://www.seul.org/cgi-bin/mailman/listinfo/geda-user


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