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

[Pavel Machek]

On Mon 2018-10-29 10:16:31, Frederik Ramm wrote:
> Hi,
> 
> On 10/28/18 18:46, Pieter Vander Vennet wrote:
> > By having the integrationprocess in place, we can make sure that the
> > data is properly integrated, properly attributed and backreferenced for
> > future updates. 
> 
> I am always skeptical of imports trying to uphold links to an external
> database, and would recommend *not* keeping any IDs from the source
> object in OSM.
> 
> Keeping a link to the source signals to the mapper "don't touch this,
> it's official data" or "your edits can be overwritten by a future import".

FUD :-(.

> More often than not, importers keep an external ID because they think
> "it might be useful later". If you want to keep an ID then you ought
> to

It is useful later.

> determine *now* if and how you want to use that, and give guidance to
> mappers: If you split a building that has such an ID what should you do
> - delete the ID from both, keep on both, or...? If you delete a building
> that has such an ID, how will you ensure it isn't brought in again
> through a later "update import"? Etc.

Whatever the mapper does, it is better than not having the ID in the
first place.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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