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

[Julien Fastré]

Ben,

The process should tend to be the most automatised possible. That's why we should think about this tag 'since' or 'start_date' (which seems to be more appropriate because already used).

Reading your answer you seems to have perfectly understood :-)

Julien

Envoyé depuis mon téléphone

Ben Abelshausen <ben.abelshausen at gmail.com> a écrit :

>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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