[OSM-dev] osmtools first release - nodeID

Hendrik Siedelmann hendrik.siedelmann at googlemail.com
Sun Apr 27 16:58:30 BST 2008

2008/4/27 Marcus Wolschon <Marcus at wolschon.biz>:

>  | Nodes can still be identified by their lat/lon coordinates. As nodes
>  | are not duplicated in the database this is possible. And routing still
>  | needs to find which ways reference a node, so routing from one way to
>  | another is still complicated. On the other hand checking if another
>  | way uses the same points is fast on a spatial database (I will at some
>  | time provide funktions provide routing)
>  So the system cannot know the difference between 2 ways sharing the same
>  node and 2 ways with 2 nodes that just share the same coordinates?

Yes for the database it's the same. On the other hands if two nodes
share the same coordinates they should be joined (Thats what I read),
so there will never be two nodes at the same coordinates. (At least in

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