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Date: Sat, 17 Dec 2016 05:05:20 +0100 (CET)
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From: gedah AT igor2 DOT repo DOT hu
Subject: Re: [geda-help] Orientation of components in X-Y (centroid) files
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On Sat, 17 Dec 2016, gedah AT igor2 DOT repo DOT hu wrote:

>
>
> On Fri, 16 Dec 2016, DJ Delorie wrote:
>
>> 
>> This is something typically "fixed" by the assembly houses that know
>> which way the parts are on the tape and reel, but...
>> 
>> PCB uses pin 1 (and sometimes pin 2) to determine the angle.  IIRC there
>> are specs for how to determine angle too, but I don't remember what they
>> are.
>> 
>
> IPC7351, page 16

Sorry, chapter 16, page 65.