Re: gEDA-user: 3 questions on a 4 layer board

[Peter Clifton <pcjc2@xxxxxxxxx>]

On Tue, 2008-04-29 at 14:15 -0400, Stuart Brorson wrote:
> > On Tue, 2008-04-29 at 16:16 +0100, Dylan Smith wrote:
> >> On Tue, 29 Apr 2008, DJ Delorie wrote:
> >>
> >>> The problem is that gsch2pcb is using an ancient layer stack which
> >>> needs to be taken out back and shot.
> >>
> >> I'm glad I'm not the only one who thought that, and did as you suggest
> >> (paste in the output).
> 
> How easy is it to fix in gsch2pcb?  I haven't looked.....

Pretty easy, just edit the (display ...) in the file gnet-gsch2pcb.scm


(define gsch2pcb:write-top-header
  (lambda (port)
    (display "# release: pcb 1.6.3\n" port)
    (display "PCB(\"\" 6000 5000)\n" port)
    (display "Grid(10 0 0)\n" port)
    (display "Cursor(0 0 3)\n" port)
    (display "Flags(0x000000d0)\n" port)
    (display "Groups(\"1,2,3,s:4,5,6,c:7:8:\")\n" port)
    (display
"Styles(\"Signal,10,40,20:Power,25,60,35:Fat,40,60,35:Skinny,8,36,20
\")\n" port)))

(define gsch2pcb:write-bottom-footer
  (lambda (port)
    (display "Layer(1 \"solder\")\n(\n)\n" port)
    (display "Layer(2 \"GND-sldr\")\n(\n)\n" port)
    (display "Layer(3 \"Vcc-sldr\")\n(\n)\n" port)
    (display "Layer(4 \"component\")\n(\n)\n" port)
    (display "Layer(5 \"GND-comp\")\n(\n)\n" port)
    (display "Layer(6 \"Vcc-comp\")\n(\n)\n" port)
    (display "Layer(7 \"unused\")\n(\n)\n" port)
    (display "Layer(8 \"unused\")\n(\n)" port)
    (newline port)))


Can fix those up as per what PCB outputs for your desired layer stack.


> Stuart
> 
> 
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-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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