[OSM-dev] Using NULL values in mapnik / postgres DB

Raphaël Jacquot sxpert at sxpert.org
Wed Feb 21 08:26:12 GMT 2007


Artem Pavlenko wrote:

> 2.  http://artem.dev.openstreetmap.org/files/notsimple_way-2.png  - 
> self-intersecting way.

this particular example may not be wrong. and inserting a node at the 
intersection will probably not be what you were looking for.

this type of way is typical of a cloverleaf motorway exchange. in that 
case, the better way to handle it would be to separate it and make a 
bridge out of one of the new ways. problem is, from an algorithmic point 
of view, there's no way to do that




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