One company in the UK is actually taking photos of the roadsigns (to display on a printed map)
it's used to produce maps like this: http://www.cuesim.com/map.htm On Sun, Jun 15, 2008 at 4:32 PM, Nic Roets <[EMAIL PROTECTED]> wrote: > On Sun, Jun 15, 2008 at 1:35 PM, Jon Bright <[EMAIL PROTECTED]> wrote: >> tag a given node for example as >> >> signpost=Dortmund, Münster >> >> Or >> >> signpost:1=Dortmund, Münster >> signpost:2=Dortmund, Münster >> signpost:3=Wuppertal, Köln >> signpost:4=Sprockhövel > > This is very motorway / motorcar specific. Many roads in Africa and on > hiking trails are not signposted and can only be described by free > form strings. > > I propose that we either tag the destination way e.g. the > motorway_link, or use 1 relation for each possible maneuver > (from='source' to='dest'). It's up to the routing program to look > ahead for signpost messages. > > We need 2 sets of instructions : > * Freeform instructions that will typically be produced by a website > or non-gps device. For example the motorway_link that goes to > Wuppertal can be tagged with "At the Acme junction, take the middle > lane for the exit marked 'Wuppertal'". For messages fitting a certain > layout, we can have machine translation into other languages e.g. > using 'sed'. > * A message from a predetermined set that can easily be turned into > audible instructions on a resource poor GPS. The tag must also encode > the distance before the intersection that the instructions must be > played. It can even be a set of instructions e.g. "200m > StayInMiddleLane; 100m StayInLeftLane; 50 JoinMotorway" > > _______________________________________________ > Routing mailing list > [email protected] > http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/routing > _______________________________________________ Routing mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/routing
