[OSM-talk] Visually detect missing roads

[Simon Poole]

Aren't these canals/drains/etc and not tracks?

In any case I would suggest concentrating on OSM and not on what google
has/or not. Most of google data is simply purchased when they feel a
need to do so (for example like in Germany two years ago when they where
so hopelessly behind OSM that they had to do something) and not a good
yardstick for anything.

Simon


Am 22.09.2014 11:02, schrieb Sylvain Maillard:
> Hi,
> 
> in France we also have some tools to show/compare with external
> datasets. One of them is regarding the highways
> (http://tile.openstreetmap.fr/?zoom=15&lat=45.73849&lon=4.83066&layers=0000000BTFFFFFF)
> but I find it way more readable than yours with google data
> (http://compare.osm-tools.org/?zoom=15&lat=45.73829&lon=4.82987&layers=BT00)
> ...
> 
> perhaps can you add more color/shape to help to categorize the
> differences : absent / not a major / not a minor / ... ?
> 
> 
> There is also an other place whith something "strange" : OSM is really
> missing a lot of "road"/tracks, google is showing them (not sure about
> the exact classification), but the compare tool didn't show the
> differences ...
> - on google : https://www.google.fr/maps/@43.5091406,4.6686206,18z
> - on osm : http://www.openstreetmap.org/#map=18/43.50847/4.66676
> - on compare tool :
> http://compare.osm-tools.org/?zoom=15&lat=43.5091&lon=4.66833&layers=BT00
> 
> 
> Sylvain
> 
> 
> 2014-09-21 14:57 GMT+02:00 Martin Koppenhoefer <dieterdreist at gmail.com
> <mailto:dieterdreist at gmail.com>>:
> 
> 
> 
> 
> 
>     > Il giorno 20/set/2014, alle ore 21:10, John F. Eldredge
>     <john at jfeldredge.com <mailto:john at jfeldredge.com>> ha scritto:
>     >
>     > So, you feel that any road which isn't classified as highway=residential, highway=service, or highway=track is a major road?
> 
> 
>     I agree that the term major is relative, to me this would be
>     secondary (or even primary) and up, but from unclassified upwards
>     that's all connection roads.
> 
>     cheers
>     Martin
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