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] A fileformat library
To:	geda-user AT delorie DOT com
References:	<1512221837 DOT AA25291 AT ivan DOT Harhan DOT ORG>
	<CAJXU7q_mXmipJ1fLvLpuLvnYjktV2SHoA+bG=L5+E-EfdygeOA AT mail DOT gmail DOT com>
	<s6n37uumanm DOT fsf AT blaulicht DOT dmz DOT brux>
	<CAJXU7q_qxdvJaejF-VcY=u7VHZ-zrfrc+Z7-qSwfFyPdy-umxw AT mail DOT gmail DOT com>
	<B02363CD-469D-493A-AC15-1D5DC7836982 AT noqsi DOT com>
	<20151222232230 DOT 12633 DOT qmail AT stuge DOT se>
	<0F6F1D0F-4F07-48EA-90FE-836EAD4E2354 AT noqsi DOT com>
	<CAM2RGhTficnys3a4xs=UBFvk8aPwpzYWUADFLP_pUQ+R1iKs0g AT mail DOT gmail DOT com>
	<0FCF3774-F93C-4BFF-BB61-636F75DCCACB AT noqsi DOT com>
	<CAC4O8c_UAiFE-vGfoE2tXppHLhaa0dSYz9o_rkdCBo7_SRRtxw AT mail DOT gmail DOT com>
	<FFBE7623-E240-4798-96B0-2BECF56C8E29 AT noqsi DOT com>
	<CAC4O8c980g1gj15=5njstC_BT-WYDgKQx9BRycdFKA8OvgtiOg AT mail DOT gmail DOT com>
	<B54C0E1F-1986-4C79-9F70-7F1919B8B26D AT noqsi DOT com>
	<CAC4O8c9bxJP1eMG4yz3YwKkQJRmsDGmLQ0aMd5pJRyu0WpdCtQ AT mail DOT gmail DOT com>
	<C1CFCCEE-C64A-4E49-AA64-446C061656D6 AT noqsi DOT com>
	<CAC4O8c-zt8B=joDd+ws77D2jt6aZf3MWfR_dAvpzGcNuBrTURQ AT mail DOT gmail DOT com>
	<alpine DOT DEB DOT 2 DOT 11 DOT 1601030040320 DOT 2176 AT newt>
From:	John Griessen <john AT ecosensory DOT com>
Message-ID:	<568883AF.6060605@ecosensory.com>
Date:	Sat, 2 Jan 2016 20:13:03 -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:	<alpine.DEB.2.11.1601030040320.2176@newt>
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 01/02/2016 06:04 PM, Roland Lutz wrote:
> the main thing which keeps me from defining PCB object types right now is that I haven't found a convincing data model for these yet.

It's the 3D physics model.  Connection needs to allow going vertical through vias to be robust.
Adding geometry will be a key underpinning to robustness.  Then it will be possible to add heuristic 3D DRCs
without "breaking the bank" of volunteer effort and enthusiasm available.

- Raw text -