[OSM-talk] Wind turbines no longer rendered on mapnik layer

[Morten Kjeldgaard]

On 15/02/2012, at 10.46, Frederik Ramm wrote:

> What's even more problematic is if people try to automatically  
> change a large number of objects away from what they consider  
> "deprecated" to some "new tagging scheme". This requires a much  
> broader approval than a few votes cast on a wiki page that nobody  
> reads; we expect any automated or even mechanical edit to be  
> discussed on the mailing lists beforehand.

I agree completely, see below

> Morten, could you keep us posted about any replies you get from  
> them. It would be preferable if the Netherlands community could deal  
> with this but DWG will be happy to step in if there's a problem.

I received the following reply at 10.14.44 GMT+01:00:

> Hi mok0,
> Thanks for the notice, and I'm currently submitting a changeset  
> where everything with generator:source=wind also has  
> power_source=wind specified as well.  Also, I'll take a look into  
> the mapnik style sheet to see how this can be updated to remove the  
> depreciated tags.

... and I answered thus:

> That's great, thanks!
>
> It is great if you fix bugs in the osm tags -- misspellings and such  
> -- but you really should not remove tags that someone put there.
>
> If tag removal is to be carried out, it is best to discuss it on the  
> mailing list first, but in general, you never know if tags are being  
> used by someone, so it's better just to leave them. They do no harm.  
> If you are thinking of wasted storage space, think of the extra data  
> you produce by generating a changeset plus new versions of all the  
> objects...


So, instead of reverting, the user has uploaded a new changeset with  
the fixes.

Cheers,
mok0