2009/11/25 Jean-Marc Liotier <j...@liotier.org>: > Ævar Arnfjörð Bjarmason's diary entry last week (http://j.mp/8ESP8o) > stired my interest. Using a few examples, he showed how mapping > everything as an area - or as a volume - makes ultimate sense. Should we > go for it now ? > > Mapping the crossing of two roads, four cycleways and four sidewalks all > as surfaces requires about twenty times as many nodes as mapping the > crossing of two linear roads. That is a hefty increase in complexity, > especially when having to deal with the modification of existing ways. > Should that be put forward as a best practice ? > > When dealing with pedestrian plazas and their surroundings, the value > added by area mapping makes it worthwhile, but for more standard street > grids I'm not sure if that should be a priority. My geeky nitpicky self > makes me want to do it, but maybe I should focus my energy somewhere > else where it would be more useful. And maintaining that complexity may > be more costly than what we have now. > > So what is your opinion ? Generalized area mapping is the future, but > should we wholeheartedly embrace it right now or wait for more > sophisticated tools for maintaining it and a clearer "business case" ? >
It is very interesting question. I like to do micro mapping myself and I have thought lot of business uses for it, but more or less I see it as evolutionary thing. First of all, for area I map I would like to see generalized stuff which is useful now - roads with proper tagging and directions, bus stops, public transport routes, house numbers, etc. This is what I would call first level. Second would be add paths and sizes of the roads like this. And third would be area based mapping mentioned in your message. I would like to see first level completed for 80% for selected region before moving to second and third. Also resource issues (high resolution ortphotos, sathotos, local plans) plays a role if micro mapping is possible for this region. Cheers, Peter. _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
