[OSM-dev] Server-side data validation
Roland Olbricht
roland.olbricht at gmx.de
Fri Jul 13 22:12:24 BST 2012
Hi Pawel,
> Hi Peter,
>
> Thanks for the response.
>
> So for now I'm trying to discuss this at a more abstract level -
> that the contract would be "we can't have X in the database" but how it
> is implemented (at changeset close maybe?) - I cannot say (yet) as I am
> no expert in OSM. For now more important is whether this kind of
> thinking even makes sense for you.
I would not make much sense. There are a lot of ideas what could be done on
the API, please see
http://wiki.openstreetmap.org/wiki/API_v0.7
The more import thing is that OpenStreetMap is about a community, not about
data. Business logic in the API will sooner or later include controversial
topics and this will end with losing valuable contributers.
For example: if you want the API to reject nodes at the same location, you may
demotivate indoor mappers who model structural identical building levels with
different shops per level.
Or even simpler: every change in the API breaks temporarily or permanently
tools. And the mapper who finds that his or her tool doesn't work any more is
lost forever.
On the other hand, duplicate or wrong data is not really a problem. There are
a lot of applications (renderers, routers etc.) that do succesfully manage the
existing data.
Cheers,
Roland
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