On 05/02/2020 15:45, Mario Frasca wrote:
... but apparently when an activity is closed, it's too late to ask them to review.

I don't think that that's a reasonable approach for any OSM mapper to take (whether they're working for a company or not).  I also don't think that's a typical reaction from paid mappers generally (apart from spammers of course), and with a DWG hat on I've contacted many, many mappers both doing it for a job and as a hobby.

An exception might be if someone has broken something that was quite complicated (perhaps an imported multipolygon forest the size of a small country) and they technically aren't able to fix it again, or there have been other edits in the mean time that might be difficult for a relatively new mapper to resolve, but "I can't be bothered" is rarely given as an excuse.

On to the "whether it is a good idea to map things this way" part of the question (which might be a better fit for the tagging list):

You can see examples of both approaches at https://www.openstreetmap.org/way/382577754#map=19/8.97397/-79.53502To the southwest there are multiple nodes within one building and to the northeast there is "one building per shop".  If there are multiple shops within one physical building I'd certainly map them as nodes within a building, but it can sometimes be difficult to decide where one building ends and the next starts. https://www.openstreetmap.org/#map=19/53.09756/-1.38685 in the UK is an example (not originally mapped by me) that shows shops as closed ways and buildings (that are connected, but are actually separate buildings) as closed ways, and the two don't necessarily map 1-1 with each other.  This matches real life, but is a pain to maintain when (for example) a large shop shuts and opens as two smaller ones.

In the Panama example even if the "buildings" northeast of https://www.openstreetmap.org/way/382577754 could be considered separate (and it sounds like you're saying that it would be wrong to) presumably the walls at least should be parallel.

Have you had an explanation of why they're taking this approach?

> I've now moved to tagging as many of them them as 'fixme'. maybe public shame will do the job.

I don't think that will help here - higgledy piggledy buildings are easy to spot, and a glut of fixmes for "obvious to spot problems" will drown out existing fixmes that might not be otherwise obvious.

The usual advice I'd give is (and apologies if this sounds like a broken record):

 * Comment politely on the changeset that introduced the problem, with
   a translation into a language that the mapper will understand,
   explaining what the problem is.
 * Also, if appropriate, mention it to the rest of the local community.
 * If they persist, repeat explaining again why it is a problem.
 * If that doesn't work, raise it with the Data Working Group via
   d...@osmfoundation.org

In this case there have been a couple of questions asked of this mapper in changeset discussion comments (though not about this particular issue) - any more and with a DWG hat on I'd definitely consider drawing their attention to the fact that other people are trying to get in touch with them.

Best Regards,

Andy (from the DWG, but as usual here writing in a personal capacity)



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