X-Authentication-Warning:	delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient:	geda-user AT delorie DOT com
X-Virus-Status:	Clean
X-Virus-Scanned:	clamav-milter 0.98.4 at av02.lsn.net
Subject:	Re: [geda-user] The nature of gEDA layers (Atomic id)
To:	geda-user AT delorie DOT com
References:	<alpine DOT DEB DOT 2 DOT 00 DOT 1601180756390 DOT 9035 AT igor2priv>
	<s6nr3h49hrq DOT fsf AT blaulicht DOT dmz DOT brux>
	<DDB07351-7C94-4B5C-99FA-83750CD4592A AT noqsi DOT com>
	<20160126233332 DOT dec2f06f5c74354a3841989c AT gmail DOT com>
	<s6n1t93h4ub DOT fsf AT blaulicht DOT dmz DOT brux>
	<20160127091746 DOT 1c7a976c2752f913921688ac AT gmail DOT com>
	<s6npowne74w DOT fsf AT blaulicht DOT dmz DOT brux>
	<20160127141334 DOT c738feb9dbeb54a7dec3dff8 AT gmail DOT com>
	<s6n37tjt1tv DOT fsf AT falbala DOT ieap DOT uni-kiel DOT de> <56A8F74B DOT 8080304 AT ecosensory DOT com>
	<CAC4O8c9UKLsh5FAAwUMEtHThKH-w3gUmCU2i9dRW9igkyRt-TQ AT mail DOT gmail DOT com>
	<CAJZxidDmjMtd_fKvR5qZVRa+hwDUbvfaz79oZjkBgDuE1m8RBg AT mail DOT gmail DOT com>
	<56A961BC DOT 3040405 AT ecosensory DOT com>
	<CAJZxidC=nbxAinOtpfGHHqwPXbEMrhfat7jKgA9KBp3EVVg4_Q AT mail DOT gmail DOT com>
	<s6nbn863xlu DOT fsf AT blaulicht DOT dmz DOT brux> <56A9E416 DOT 8080500 AT ecosensory DOT com>
	<20160128124020 DOT 8f2f33210481f637a696f5d0 AT gmail DOT com>
	<CAJZxidD7=NE+Q3FGOU+ER3Xh7TRskEPRTKa=yrwUm51_VaYw0A AT mail DOT gmail DOT com>
	<56AA3753 DOT 6020109 AT ecosensory DOT com>
	<20160128165227 DOT 9c633097c1c9bee6d05423f6 AT gmail DOT com>
From:	John Griessen <john AT ecosensory DOT com>
Message-ID:	<56AA5948.4090109@ecosensory.com>
Date:	Thu, 28 Jan 2016 12:09:12 -0600
User-Agent:	Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
	Icedove/38.4.0
MIME-Version:	1.0
In-Reply-To:	<20160128165227.9c633097c1c9bee6d05423f6@gmail.com>
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

On 01/28/2016 09:52 AM, Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] wrote:
>> One thing needed in core data structures is room for and a mechanism for a unique ID for each atomic board element such as
>> >trace, pad, polygon, text...
> Can you explain why?

If you had that you could build up physical connectivity DRC check results that are accurate is the main reason.
Then it can be part of attributes used in extracted netlists to compare with schematic netlist for simulations.
It could be used by routers - define a list of elements that act as a boundary for this and that.

- Raw text -