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Message-ID: <538369B6.30505@neurotica.com>
Date: Mon, 26 May 2014 12:20:06 -0400
From: Dave McGuire <mcguire AT neurotica DOT com>
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] [OT] change line size: nevermind
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On 05/26/2014 07:03 AM, Gabriel Paubert wrote:
>>> Found it...Select all traces by turning off everything else, select
>>> all visible, then ":ChangeSize(SelectedLines, 7)". (for 7mils)
>>
>> IIRC, the size parameter is 1/100 of a mil by default.
>>
>> I recommend to use the unit parameter to reduce this kind of 
>> ambiguity. To achieve 7 mil width:
>>  ChangeSize(SelectedLines, 7, mil)
>>
>> BTW, in section "actions" the manual still refers to 1/100 mil as the 
>> internal unit of pcb
>> 	http://pcb.geda-project.org/pcb-cvs/pcb.html#Actions
>>
>> It only mentions "mm" and "mil". In fact, pcb deals gracefully with 
>> the usual multiples, too. E.g. "m", "nm", "um", ...
>> No "ly", though ;-)
> 
> As a radioastronomer, I'd rather vote for "pc" and "au", the standard
> units for astronomy.
> 
> - A yoctoparsec is about 31mm or 1.2".
> 
> - a pico astronomical unit is about 150mm or 6".
> 
> Unfortunately for the photoplotter outputs, Gerber only understands
> inches and millimeters.

  ROFL!

-- 
Dave McGuire, AK4HZ
New Kensington, PA