[mkgmap-dev] Commit: r1377: Limit length of lines to work around problems when subdividing long lines.From Marko Mäkelä marko.makela at iki.fi on Thu Nov 12 10:03:41 GMT 2009
Hi Mark, Felix, On Thu, Nov 12, 2009 at 09:30:17AM +0000, Mark Burton wrote: > > Hi Felix, > > > I am not sure which of todays changes is responsible, but routing in > > Mapsource became a lot worse! Often I get routes 10-30% longer or on > > less priorised ways than before, this is a drastic example but happens > > on every 10 route: > > > > Yellow route is old SVN 1773, pink is newest SVN version (yellow is > > 17.8km and 33 minutes, pink is 26.5km and 56 minutes): > > > > Please try increasing the values of MAX_ARC_LENGTH and MAX_LINE_LENGTH > and see if that improves things. I would not expect MAX_LINE_LENGTH to > make a difference as that only influences lines not routable ways. > > If the reduction in MAX_ARC_LENGTH is causing your routing to become > worse, that's going to conflict with the issue Marko reported. The Nuvi user reported that he is still having routing trouble with the MAX_ARC_LENGTH=39062 that I used in conjunction with r1366. I asked him to experiment with different values of MAX_ARC_LENGTH. You reduced the parameter to 35000, IIRC. Marko
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