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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