I believe Kelly was interested in static maps (eg paper maps) that cannot be re-rendered every second. Instead of providing map insets with higher detail it would be interesting to have a "fisheye" style map, which would cover large areas, but still provide high details in the centre or some other area(s) of interest.
Google has some examples to illustrate the idea: http://images.google.si/images?q=fisheye+map "3d map" view on navigation devices is similarly showing detailed map of immediate surroundings, but showing low scale map only in the direction of travel. Maybe areas of interest could be determined by node density instead of having to define them manually, which brings me to an idea of elastically joining nodes with springs of equal length and see how they settle. This might be computationally very demanding and yielding strange results if an unconnected straight way traverses highly and densely connected area (eg underground under a city centre, straight administrative borders...). Some average node density would probably be simpler and giving smoother maps. Stefan On Tue, Jul 14, 2009 at 4:43 AM, Marcus Wolschon<[email protected]> wrote: > On Tue, Jul 14, 2009 at 4:30 AM, Kelly Jones<[email protected]> > wrote: >> Most maps of small areas have a constant scale: eg: 100 pixels = 1 mile. >> >> Has anyone created maps w/ variable scales? > > Yes, all the time. > That's interactive rendering in the client. > Every satnav does that. > > Marcus > > _______________________________________________ > dev mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/dev > _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
