mick <bare...@tpg.com.au> wrote: > On Fri, 02 Mar 2012 20:16:18 +0000 > Philip Barnes <p...@trigpoint.me.uk> wrote: > > > I have found some interesting stuff whilst playing with routing on > > http://open.mapquest.org (which uses OSM). Have found that it cannot > > route to Shrewsbury. > > > > Have found that the town waypoint has been put in the middle of a > retail > > area, with pedestrianised streets around. Am guessing it is because > it > > is too far from a road. It works if I ask for High Street, > Shrewsbury. > > > > Have moved it so that it is close to High Street and once mapquest > has > > updated the map I will see if it works again. But maybe this is > > something else we should consider. > > > > A good example of TomTom/google getting it wrong is Ironbridge, > where it > > leads you into a back street, rather than the centre i.e. the > bridge. > > > > My Navman (MY50 I think) also has problems generating a route to just > a town or suburb without a street name. > > At the times these towns developed very few people had a car and even > fewer had sat-nav units so the 'rule of thumb' didn't need to take > vehicular access into account. Now social engineers have had their > evil way, the 'rule' joins dinosaurs, woolly mammoths and this old > System/370 operator on the dusty shelves of the museum and its up to > the new generations to clean up our mess. > > mick >
Another issue you are likely to encounter is a town that has grown in an asymmetric manner, so that the current geometric center is offset, perhaps by a large amount, from the historic center point. This is particularly true where a natural barrier, such as a lake, adjoins the town. Here in the USA, some small towns that have experienced most of their growth during the automobile age are essentially one-dimensional, extending for several miles along a main road, but extending only a block or two at right angles to that main road. -- John F. Eldredge -- j...@jfeldredge.com "Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
