Re: gEDA-user: Metric units

[Stefan Salewski <mail@xxxxxxxxxxxx>]

> Changing the internal units of PCB is not practical at this time.  I
> think we calculated we'd need to maintain micrometer precision to
> preserve the old "high resolution" units.  That means absolutely no
> more 16-bit coordinate values (oh, darn! ;) and we'd have to be a lot
> more careful about overflow.  Those, however, are technical problems.
> 

OK, discussion was about 32 bit and nm unit 

1e-9*(2**32) = 4.294967296

At least 2m board sizes for signed 32 bit.

16 bit is not enough.





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