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	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)
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> >>> 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

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