gEDA-dev: PCB - XY values of centrioid in BOM/DXF exproter (wasgEDA-user: PCB Element for a Molex 71661-2068?)

John Griessen john at ecosensory.com
Thu Mar 8 13:39:42 EST 2007


Timmerman, Bert wrote:

> [jg]How about pragmatically defining the COG centroid as the average of
> the 
> corner pins/pads?
> 
> [bt]Very well for double symmetrical packages like most RES, CAP, DO,
> DIP, QFN, SO, ... not for single symmetrical packages like TO-* and most
> connectors.

OK then, still on the pragmatic tack, why not use silk for a centroid 
calculation?  Find the most extreme corners of  (silk OR pins OR pads).

John G


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