[OSM-talk] no rendering of amenity=veterinary

Joseph Reeves iknowjoseph at gmail.com
Mon Jan 11 00:47:27 GMT 2010


>The most important thing, imho, is that different people who set out to tag the same thing do it the same way.

+1

Which is why keep right! OSM Doc, tagstat, tagwatch, et al. are all so
important.

Cheers, Joseph




2010/1/11 Steve Bennett <stevagewp at gmail.com>:
> On Mon, Jan 11, 2010 at 11:16 AM, Ulf Lamping <ulf.lamping at googlemail.com>
> wrote:
>>
>> The first case is "just" garbage in the database - not nice but doesn't
>> really hurt. But how do you know that it will "never" get rendered?
>
> Obviously you'd only know retrospectively. But when I say that unrendered
> tags are harmful, I mean situations where there are multiple ways of tagging
> the same situation, and only some of them get rendered. The unsupported tags
> are worse than junk, and worse than nothing, because mappers will be misled
> into thinking that the thing has been tagged properly.
>
> For example, in this case, imagine that lots of people are using amenity=vet
> or service=veterinarian or something, which never gets supported. That's
> wasted effort, and may prevent someone else tagging those vets properly.
>
>>
>> However, "tagging for the renderer" will make existing data less
>> reliable: "is this really a beach or someone tagged their personal
>> playground to appear in yellow?". Bad!
>>
>
> At least it renders. :)
>
> I really do think it's time to address our processes here. The most
> important thing, imho, is that different people who set out to tag the same
> thing do it the same way. It doesn't matter all that much the tag is
> amenity=veterinarian or amenity=vet, but if both are used, that's bad. So
> the wiki should attempt to document and normalise usage of tags as soon as
> they appear. And people should make every attempt to follow that
> documentation. The relationship between tag usage, tag documentation, and
> support in mapnik/osmarender is a bit less clear, but should be talked
> about.
>
> Steve
>
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