[OSM-talk-be] Railway data accuracy , age and origin

[Maarten Deen]

On 2015-01-07 18:08, Glenn Plas wrote:

> I actually missed that motm edition.   It is because it's so detailed I
> wondered if that was an import job or not.  I wonder how 'open' NMBS
> would be if we asked for their digitized data... I'm working all angles
> at this moment.

The wiki [1] mentions a GPS file and in the past there was some 
discussion about that, but I think the majority is mapped from BING 
imagery. I know I have done a lot of that.
And it will probably not be NMBS you want to talk to but Infrabel.

[1] <http://wiki.openstreetmap.org/wiki/WikiProject_Belgium/Railways>

Regards,
Maarten

> On 07-01-15 18:00, Sander Deryckere wrote:
>> Most of the railway data comes from survey, aerial images and 
>> knowledge
>> (no imports, apart from Urbis, Brussels).
>> 
>> The lines are usually mapped to the pair of rails (even showing the
>> switches in most cases), and many lines have extra details s.a. gauge,
>> voltage or maxspeed. But those are not rendered. Mapnik rendering does
>> differ between major lines and service lines.
>> 
>> Remeber that an active OSM mapper is actually a train driver:
>> http://osm.be/nl/content/mapper-van-de-maand-ben-laenen
> 
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