[OSM-dev] [Routing] Question about routing between OSM and private data

[Arlindo Pereira]

Thank you for your thoughts.

The KML does not have a license defined, but could be declared ODbL because
they mapped it themselves.
Em 23/10/2015 8:47 PM, "Greg Troxel" <gdt at ir.bbn.com> escreveu:

>
> Arlindo Pereira <openstreetmap at arlindopereira.com> writes:
>
> > 1) creating a table listing each street on his road list to an array of
> OSM
> > Way IDs, and somehow indicating to the algorithm that those ways are
> > preferred. But this would require constant maintenance as people
> > edit/split/merge/erase ways.
> >
> > 2) considering the street names, and somehow making the routing algorithm
> > prefer those ways.
>
> The basic issue is keeping two databases in somewhat sync.   If there is
> KML, I would be inclined to have a combining step where the preferred
> roads are matched up with OSM data by geometry and then the OSM ways
> marked with the special tag (locally).   Here, any of id, name, or
> shape/location could work.  shape/location is probably pretty stable.
>
> > 3) mapping those characteristics that made he chose those particular
> > streets in first place (maxspeed=, incline=, lanes=, highway= itself, etc
> > etc) and tuning the routing algorithm to prefer those streets. But
> nothing
> > would garanteed that the router wouldn't pick a particular tertiary or
> even
> > highway=residential that is not "calm" in oppositon to a "calm road".
>
> This would be interesting in the long run, but seems very hard.
>
>
> Is this other dataset also under OdbL and the merged dataset being
> released under the same terms?
>
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