[OSM-talk] Area Support /Osmarender

[Joerg Ostertag (OSM Munich/Germany)]

On Sunday 17 September 2006 12:19, Andrew Loughhead wrote:
> Etienne wrote:
> > It is possible to tag ways with an elevation key.  See
> > http://wiki.openstreetmap.org/index.php/Map_features#Properties for
> > details.
> >
> > Currently osmarender doesn't do anything with the elevation key.
> > Motorways are always drawn on top of unclassified roads whether they go
> > over or under.
>
> Can you please clarify if there should be a node at the crossing, or
> not?  I guess not, as in OSM nodes seem to mean connection.  I have
> probably done one or two flyovers incorrectly on that basis.

Two roads only share nodes if you can also change from road1 to road2 at that 
point. If you cannot change roads at that point they are not allowed to share 
points! Otherwise you'll never have a chance to get routing to work 
correctly!

-

Joerg