[OSM-talk] Label Ontology Version 1.0

Etienne Cherdlu openstreetmap-L at gj0.net
Sun Mar 12 14:16:47 GMT 2006


So far I've been using the following:

For segments:
class=motorway|primary|secondary
For nodes:
class=city|town|village

I'll document these formally somewhere.  As you say, its up to the client
tool builders to decide what they support.

Etienne


On 3/3/06, Tom Carden <tom at tom-carden.co.uk> wrote:
>
> On 3/3/06, Etienne Cherdlu <openstreetmap-L at gj0.net> wrote:
> > Folks
> > There's some guidance on the wiki about using labels but nothing very
> > formalised.  There seems to be some consistency in usage for common
> labels
> > (name, class) and a lot of ideas and suggestions for additional tags.
> >
>
> I think that labelling should be determined by the clients (map
> rendering code).  If you want people to use a particular tag, then
> demonstrate the benefit of that tag.  (As you have with your road
> colouring experiments).  Having a huge list of suggested tags is of no
> benefit to this project right now.
>
> Also, tags/labels do NOT need to be human readable, so long as they
> are well specified.  Editors can hide the complexity from users and
> present tools like 'draw motorway' or more generally 'promote/demote
> line' or 'change class' rather than a text box to type the class.
> This makes it more likely that useful data will be entered, although
> there is probably a good argument for allowing free text input too.
>
> > Are we at the stage yet where we should be trying to get a version 1.0
> > ontology for labels?  If we could reach consensus on a very small set of
> > labels and values then tools could start to rely on the meaning of these
> tag
> > values and begin to present a richer experience to OSM users.
> >
>
> We should use an existing ontology if there is one available. How do
> other digital map vendors do it, and is there ontology open/free?
> IIRC I think someone donated one to Steve recently, but I'm not sure
> if there were any caveats about its use. Steve?
>
> > What do people think. Is it too early to try to do this?
>
> Yes, almost certainly for 90% of the properties that people will come
> up with.  Let's stick with the basics and get those right first.
>
> Tom.
>
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