Ethan Swint wrote:
On 04/26/2010 01:58 PM, DJ Delorie wrote:
What generated those files? PCB uses *.cnc for drill files...
>
> It's original format is PADs, I believe.
>
be aware that there are various combinations of # of significant digits
and leading/trailing zero suppression which can be generated by various
programs that don't strictly conform to the specified subset in the
excellon documentation. Also some programs, and I think pads may be
one, has options that let you use a different origin for the drill file.
I call it the "please increase the risk of a bad board" option ;)
With gerbv, you can turn off autodetection of drill formats and manually
specify what the format is as well as an offset. By playing with those
settings you'll probably be able to clearly see when you have them set
right.
-Dan
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