[Imports] Import of Flemish Government data (building footprints and addresses)

[Gertjan Idema]

I'm sorry to hear that and I'm sure this was not the intention of writer 
of the changeset comment.

In this particular case, the new mapper changed the building outline to 
the top view base on aerial imaging, which was quite different from the 
footprint due to parallax. As far as I can find, the changeset has been 
reverted based on mutual consent between the two mappers. But I don't if 
the difference between the top view on aerial imaging and the foot print 
was explained to the new mapper.

Mapping discussions like these are inevitable in OSM, independent 
whether the data comes from government data or not. The quality of the 
government data in the Netherlands is very good. But if we are aware 
that the government data is incorrect, we put the correct data in OSM 
and inform the municipality so they can update their database. The 
response differs between municipalities, but is generally improving.

One thing that we might improve in our presentation of government data 
is to take the 'under investigation' flag into account and present this 
information to the mappers. Unfortunately that field is currently not 
available in the official WFS service.

On 05/11/2018 21:31, Andy Townsend wrote:
> On 05/11/2018 19:35, Gertjan Idema wrote:
>>
>> We have no issue with mappers being afraid to touch buildings because 
>> of the building id's.
>>
>
> You do have cases of new mappers being told that they are "doing it 
> wrong" because they try and update OSM data that is (at least 
> partially) regularly updated by imported government data, though. 
> https://www.openstreetmap.org/changeset/63105329 is one that springs 
> to mind (mainly because it's a buolding I've visited a very long time 
> ago).  Whatever the rights and wrongs of the situation, this mapper 
> didn't feel able to continue in OSM.
>
> Best Regards,
>
> Andy
>
>
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