gEDA-user: 2 newbie Qs

["Craig Niederberger" <craigni@xxxxxxx>]

Hi gEDA gurus, 2 newbie questions:

1. Suppose I have a PCB element with multiple pins, e.g.

Element[0x00 "row 5 pins" "" "" 10000 10000 0 4800 0 100 ""]
(
	Pin[     0 0 8566 2866 10000 5700 "Pin_1" "1" 0x00000101]
	Pin[ 10000 0 8566 2866 10000 5700 "Pin_2" "2" 0x00000001]
	Pin[ 20000 0 8566 2866 10000 5700 "Pin_3" "3" 0x00000001]
	Pin[ 30000 0 8566 2866 10000 5700 "Pin_4" "4" 0x00000001]
	Pin[ 40000 0 8566 2866 10000 5700 "Pin_5" "5" 0x00000001]
)

How do I make a single gschem element that refers to only one of the pins,
say pin 3?

2. In a linear array of pins, say one side of a DIP or a single row header,
given a hole diameter H and an interpin distance D (commonly 0.1 inch or 2
mm, but could be others,) are there any good suggestions for formulas for
thickness T, mask M and clearance C?

*Many* TIA,
Craig 


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