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Mail Archives: geda-user/2016/01/09/18:28:38

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From: geda AT psjt DOT org (Stephan =?utf-8?Q?B=C3=B6ttcher?=)
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] (draw on insulating layers)
References: <1512221837 DOT AA25291 AT ivan DOT Harhan DOT ORG>
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<20160106191433 DOT 5dc5cb59 AT jive DOT levalinux DOT org>
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<568E09ED DOT 1080508 AT m0n5t3r DOT info>
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<20160109020345 DOT 1e07cb84 AT jive>
<BD84C322-333F-4A59-8CBC-54927A6B2855 AT noqsi DOT com>
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<201601092139 DOT u09LdAGQ013146 AT envy DOT delorie DOT com>
Date: Sun, 10 Jan 2016 00:27:46 +0100
In-Reply-To: <201601092139.u09LdAGQ013146@envy.delorie.com> (DJ Delorie's
message of "Sat, 9 Jan 2016 16:39:10 -0500")
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DJ Delorie <dj AT delorie DOT com> writes:

>> Inventing your own private meanings for common words is not a good
>> path to comprehension.
>
> I didn't invent them.
>
> And they're pretty common in industry.  (example: photoshop layers
> aren't always "material" and Eagle has more layers than just the
> physical ones)

The Gerber spec that you can find following links from the gerbv page
replaced the word "layer" with "levels" when talking about stacking
polarity.  Basically, whenever you switch from positive to negative
polarity or back, a new "level" is entered implicitly.

-- 
Stephan

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