[OSM-dev] Planet.osm way representation

Ralf Zimmermann osm_list at ralfzimmermann.de
Thu Oct 4 23:13:05 BST 2007


Tomas Kolda wrote:
> There is a bug or I don't understand OSM representation in planet.osm.
> 
> As I read WIKI, I think that way is represented as a segments, that must 
> have same at least one Node. Am I right?
> 
> I am asking, because there are not solid ways there.
> 
> For example segments for way 63:
> [fromNodeID, toNodeID]
> [14462836, 200625]
> [200625, 200626]
> [200626, 200605]
> [200605, 204281]
> [204281, 200604]
> [200619, 204281]
> 
> What is right order of points? Or is it possible to disjoin way? It 
> looks like there is junction on 204281.

You have understood this correctly! This way is not linear but forked.

So far, this type of ways was discouraged but possible.
Starting with the API 0.5, this will not be possible anymore.

Ralf
Munich, Germany




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