X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=date:from:to:subject:message-id:in-reply-to:references:mime-version
         :content-type:content-transfer-encoding;
        bh=pAmKV9Lxp5Kcawd5P+GihOd2RTWHce+7/YLnzsfYr5c=;
        b=j4547jVMMz6d94xB3Dh9S7KcMeLsYTS9gatc3zxB7NaeBtQtwSpDUEhdUXFRUliixf
         VCSCr5QbD7MbcvSkCiARn0rRELojNZlnVn19IiRFXhnXoVcI4d8uIfzoZbNE0y/HfXUI
         vI2lsdG1ch6WRAGhF78waNTwHZjqwe27aLba+iBmUOrrB1HQPQgV7fNVokyGrwriJxJ+
         wvEU3I3AK28vy4fTrdPfHLZVU3oGXcR87m5SIw4ABUGdsJP8smfo/3sQthEPo5jQD2Na
         lQKNFX9r0jDCHCp3lZ7Vdfv+RhTp8ygefhyXp66ya0lhPUI2lnSpqaIOmdkCxItH7hwC
         Krbw==
X-Received: by 10.112.159.233 with SMTP id xf9mr9128976lbb.21.1452364528015;
        Sat, 09 Jan 2016 10:35:28 -0800 (PST)
Date: Sat, 9 Jan 2016 19:35:26 +0100
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] (draw on insulating layers)
Message-Id: <20160109193526.9f998ebeec0141b637ff5751@gmail.com>
In-Reply-To: <882E12BE-93AD-4A43-B87A-65F05269D6B4@noqsi.com>
References: <1512221837 DOT AA25291 AT ivan DOT Harhan DOT ORG>
	<20160106133049 DOT 5A0E9809D79B AT turkos DOT aspodata DOT se>
	<CACwWb3Cyk4yLwt3=V1Mu5C4RieOQEjYH3ej5MXZSNnLPbshqDg AT mail DOT gmail DOT com>
	<20160106143629 DOT 4D39D809D79B AT turkos DOT aspodata DOT se>
	<CACwWb3BXbnQXs+DwVVzmC8DrhwOYxPgVyUhZTPL9bM9cJbHimw AT mail DOT gmail DOT com>
	<20160106164022 DOT D0D4E809D79B AT turkos DOT aspodata DOT se>
	<20160106180912 DOT 42ddf4079d91384f206b7c35 AT gmail DOT com>
	<20160106191433 DOT 5dc5cb59 AT jive DOT levalinux DOT org>
	<20160106202817 DOT 56197b2c539d426a1b724c9e AT gmail DOT com>
	<568E09ED DOT 1080508 AT m0n5t3r DOT info>
	<CACwWb3AhSh-+NNu--bVMGZBfjaoA+hHg7gbXnoyNv3oMq=e17g AT mail DOT gmail DOT com>
	<568E6354 DOT 80302 AT m0n5t3r DOT info>
	<20160108002640 DOT 03233b24 AT jive DOT levalinux DOT org>
	<20160108175259 DOT 127a3f073616758434f7edff AT gmail DOT com>
	<20160109020345 DOT 1e07cb84 AT jive>
	<s6n60z36ro! h DOT fsf AT blaulicht DOT dmz DOT brux>
	<BD84C322-333F-4A59-8CBC-54927A6B2855 AT noqsi DOT com>
	<20160109182213.a55836cd56a507d0833b48d6@!
 gmail.com>
	<882E12BE-93AD-4A43-B87A-65F05269D6B4 AT noqsi DOT com>
X-Mailer: Sylpheed 3.5.0beta1 (GTK+ 2.24.25; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

> >>> All layers that need to be described
> >>> needs an explicit entry in the layerlist and can be drawn on.
> >>> 
> >>> If you want to draw on an insulation layer, just add it.  If you do not
> >>> want to draw on it, there is little reason to add it.
> >> 
> >> But you almost always draw on the insulators. Layers without holes are rare.
> > 
> > Sometimes it is neccessary to draw a bord cutout and I guess a filled rectangle with cutouts would make the most sense? Or?
> 
> I cannot make sense of a board cutout as a layer. It’s an operation that applies to a set of layers.

Neither do I. The drawn shape is either a positive image or a cutout.

Gerber file format have the concept of dark and clear polarity.


Nicklas Karlsson