[OSM-talk-be] Meeting with SPW (some elements of the discussion may also interest Flemish people)

[Ben Abelshausen]

Julien,

Starting slow is good I think and the part about updating is very very
interesting!

Can't they judge an update based on a comparison between OSM and their own
data? Or is this supposed to be an automated process?

Can't they also ask users directly why they made a change if there is some
doubt about something?

(I probably don't understand completely! :-) )

Met vriendelijke groeten,
Best regards,

Ben Abelshausen
ben.abelshausen at gmail.com <ben.abelshausen at gmail.be>
http://twitter.com/xivk <http://twitter.com/xivk>



On Sat, Mar 23, 2013 at 9:55 PM, Julien Fastré <julien at fastre.info> wrote:

> Hi,
>
> This is some news following the contact that eMerzh, Benoit Coumont and
> I had with the SPW (Service Public de Wallonie) on Friday.
>
> The meeting was rather positive. They think about applying an
> ODbL-compatible licence on some data.
>
> - at first, they will think about letting us use the new orthophoto
> (precision 25cm). The year-2012 pictures will be published on the
> website before summer ;
> - we agreed on the fact that beginning "slowly" is better. They will
> discuss about releasing three kind of data under open-licence:
>     - hydrological data (there isn't a lot of rivers and streams in the db)
>     - path and footways, because we were thinking that osm is quite
> useful for hikers, we thought it was an added value for everybody ;
>     - and "Arbres et haies remarquables" because it is easy and quite
> fun :-)
>
> They were speaking having a decision for their "master plan" which
> should be adopted in September 2013. But they also added that it will be
> easy to add "opendata" items in their master plan if a first experience
> works before. So, one of those items could be released before.
>
> The SPW has also a request for our community (this is were flemish
> people might be more interested !)
>
> They would like to use OSM to track changes in Wallonia. They would like
> to know where to send their teams, where there is some new roads, or
> where the roads or elements are modified.
>
> The problem is: how to track those changes ? If I add a new road in OSM,
> is it a road build in the past month, or is it a road build years ago,
> but which didn't exist in the osm'db ? And if I update a line "highway",
> am I correcting some mistake, or adapting our map to some new reality ?
>
> We thought about one solution: a tag "since" to object which are updated
> or build in the reality and modified in the db. Example: if a road has a
> new bike lane, I update the line with JOSM and add the tag
> "since=2013-01-01" on the object. Within SPW, they track the tags
> "since" and see where are changes.
>
> What do you think ?
>
> Julien Fastré
>
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