X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Authority-Analysis: v=2.0 cv=YruNtvkX c=1 sm=0 a=6jktZp3dcHAl1vye2O6wCg==:17 a=jl9P3j1e7_0A:10 a=yvSPhu-8laEA:10 a=-bErWWmhtBcA:10 a=6WB07kdHjWAA:10 a=8nJEP1OIZ-IA:10 a=wR-FlJDvAAAA:8 a=caKvSo6u0qMA:10 a=hNojQerkQF50ANb0sfcA:9 a=wPNLvfGTeEIA:10 a=9SQSvs8foZg1dwx7:21 a=IB5xP9uoJUzM-pYK:21 a=6jktZp3dcHAl1vye2O6wCg==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 70.113.67.117 Message-ID: <50CAA11E.4010109@ecosensory.com> Date: Thu, 13 Dec 2012 21:46:38 -0600 From: John Griessen User-Agent: Mozilla/5.0 (X11; Linux i686; rv:10.0.9) Gecko/20121015 Icedove/10.0.9 MIME-Version: 1.0 To: geda-user AT delorie DOT com Subject: Re: [geda-user] Find rat lines References: <20121204183305 DOT 6b04c0dc AT jive DOT levalinux DOT org> <20121208112649 DOT 388a9d22 AT jive DOT levalinux DOT org> <1355011808 DOT 19390 DOT 8 DOT camel AT localhost> <1355188647 DOT 12937 DOT 14 DOT camel AT localhost> <1355442697 DOT 2993 DOT 14 DOT camel AT localhost> <008677C3-7BA0-4B7D-B8E7-D0A5B2CCC573 AT noqsi DOT com> <898C7D41-7B55-4D61-9CC6-7ABB560C144E AT noqsi DOT com> In-Reply-To: <898C7D41-7B55-4D61-9CC6-7ABB560C144E@noqsi.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: geda-user AT delorie DOT com On 12/13/2012 09:27 PM, John Doty wrote: > for finding an incidental short, "the least number of traces" is a heuristic. There's no guarantee that those are the correct traces to break. Combined with the heavy weighting on traces known to be self and widespread, and often involved in difficult to debug shorts, like VCC and GND, the minimum number of cuts will be very helpful and close to the problem, or suggest removing a trace that touches in multiple places. John