2014-04-02 19:29 GMT+02:00 Mike Thompson <miketh...@gmail.com>: > 1) How much precision/accuracy? No real world measurement or recording > of such measurement is exactly precise/accurate. Do you use a commercial > grade differential GPS when surveying? When you are create a way to > represent a road which in reality is an arc or curve, how many nodes do you > use? You could increase your precision by adding more nodes.
more than positional precision I try to achieve relative accuracy, e.g. the position of a building in respect to another, the shape of something (e.g. if the road is straight, I do not put intermediate points), if a feature is linear I do not represent it as a node, etc. cheers, Martin
_______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging