Re: gEDA-user: Metric units

[Stefan Salewski <mail@xxxxxxxxxxxx>]

Am Donnerstag, den 29.01.2009, 13:25 +0000 schrieb Dylan Smith:
> 
> I wonder if PCB's internal representation using Imperial units has been a
> problem. I thought it might present issues with some newer SMD parts, like
> the 0.4mm pitch LQFP that I'm using in a project, but in reality, the

Internal pcb unit is 0.01 mil currently (I think is was 1 mil in old
days) which is OK for fine-pitch metric parts.

Problem is more using metric grid -- rounding errors can
result in strange things like garbage consisting of very short line
segments.

This was discussed months ago on this list...




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