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=JuRzXbEC c=1 sm=0 a=6jktZp3dcHAl1vye2O6wCg==:17 a=jl9P3j1e7_0A:10 a=yvSPhu-8laEA:10 a=SQvomHtPtS0A:10 a=6WB07kdHjWAA:10 a=8nJEP1OIZ-IA:10 a=wR-FlJDvAAAA:8 a=thNQAIeazvYA:10 a=CoNPr2VAu0TN-EG6ZroA:9 a=wPNLvfGTeEIA:10 a=6jktZp3dcHAl1vye2O6wCg==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 70.113.67.117 Message-ID: <50C766FB.1010709@ecosensory.com> Date: Tue, 11 Dec 2012 11:01:47 -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] Router fun with rubberbands References: <1354748372 DOT 3386 DOT 3 DOT camel AT AMD64X2> <1354900205 DOT 3512 DOT 34 DOT camel AT AMD64X2> <201212080002 DOT qB802iXg022341 AT envy DOT delorie DOT com> <87k3stclr3 DOT fsf AT gag DOT com> <50C4AAA0 DOT 2050200 AT ecosensory DOT com> <201212091922 DOT qB9JMc63002780 AT envy DOT delorie DOT com> <50C6120F DOT 5000701 AT ecosensory DOT com> <1355179738 DOT 4108 DOT 8 DOT camel AT AMD64X2> In-Reply-To: <1355179738.4108.8.camel@AMD64X2> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: geda-user AT delorie DOT com On 12/10/12 16:48, Stefan Salewski wrote: > Simulated annealing may be useful when we try to optimize the position > of components. For toporouters we have the concept of cuts and cut > capacity (distance of adjacent terminals in the constrained delaunay > triangulation, space occupied by traces). If there is unused capacity, > we may try to move components together to reduce PCB area and trace > length. > Are you studying the toporouter code Stefan?