Re: gEDA-user: transition of pcb internal units to metric (SI, mm)

[Colin D Bennett <colin@xxxxxxxxxxx>]

On Mon, 7 Feb 2011 15:09:08 -0500
DJ Delorie <dj@xxxxxxxxxxx> wrote:

> > this is NOT what the current software does
> 
> True.
> 
> > there are NO plans to change any of it.
> 
> False.

I will add only this: anyone with questions about the metric
units/nanometer/64-bit change should read every single post in the
following thread before proceeding so everyone does not have to repeat
themselves:

First message subject: "Re: pcb crooked traces",
Date: 2010-10-07 23:00:50 GMT.
<http://thread.gmane.org/gmane.comp.cad.geda.user/32808>

The topic of metric units internally has come up on the list at least
three or four times now in various forms, so I think we should have a
brief FAQ item for this that summarizes
(1) the specific issues it addresses (45-degree line stubs; precision
    of metric footprints and layouts),
(2) the options proposed along with reason for accepting or rejecting
    each option (e.g., why integers are preferred to floating point,
    why the file format does not need to incompatibly change), and
(3) the official word on the plans to implement it (next major release?
    second next major release?).

Regards,
Colin


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