[mkgmap-dev] Commit: r1377: Limit length of lines to work around problems when subdividing long lines.From Felix Hartmann extremecarver at googlemail.com on Wed Nov 11 23:49:42 GMT 2009
svn commit wrote: > Version 1377 was commited by markb on 2009-11-11 21:25:03 +0000 (Wed, 11 Nov 2009) > > Limit length of lines to work around problems when subdividing long lines. > > This is not the ideal solution but works as an interim fix until the > real problem is solved. > > The fundamental problem appears to be that very long lines (national boundaries, > etc.) can be segmented such that some of the line's segments fall outside > the map area that the line has been assigned to. By chopping the line into > segments before the line is assigned to a subdivision, the problem is > avoided. > > This can't be done for polygons and so very large polygons can still > yield errors. > _______________________________________________ > mkgmap-dev mailing list > mkgmap-dev at lists.mkgmap.org.uk > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev > 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): -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.mkgmap.org.uk/pipermail/mkgmap-dev/attachments/20091112/e36f4ee6/attachment.html -------------- next part -------------- A non-text attachment was scrubbed... Name: bad route.png Type: image/png Size: 62707 bytes Desc: not available Url : http://lists.mkgmap.org.uk/pipermail/mkgmap-dev/attachments/20091112/e36f4ee6/attachment.png
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