[Openstreetmap] Routefinding

[Amaury Jacquot]

Ross McNab wrote:
> NavTeq are a big player in satnav products. They've been pushing their
> own route/map database format as an industry standard.
> 
> You'll find a spec for the format here: http://www.navteq.com/sdalformat/
> 
> Most of the spec deals with the nitty-gritty binary storage format,
> but you might be able to glean a few ideas for logical data structures
> from it.
> 
> Their enumerations for road types, points of interest, etc are also interesting.
> 
> Ross.

unfortunately, their file format is patented.
Also, the doc says that you're not allowed to implement the format if
you only have the doc, you need a (supposedly overly expensive)
developers' license.