[Tagging] maxspeed=signals

Peter Wendorff wendorff at uni-paderborn.de
Wed Jun 27 08:19:16 BST 2012

That's how it's documented and defined, but I fear, if you look into 
maxspeed tags of countries not using the metric system on signs, we 
probably have many "bugs" in values without units, if you use that 
It's similar to everything else:
If there's nothing declared, you don't know if it's wrong or missing. If 
there's no maxspeed at all in the database, we don't know if there's the 
national default or if nobody cared about maxspeeds there, yet.

That's why I want to ALLOW a unit information even where it's metric.


Am 26.06.2012 17:03, schrieb Paul Johnson:
> On Jun 26, 2012 6:03 AM, "Peter Wendorff" <wendorff at uni-paderborn.de 
> <mailto:wendorff at uni-paderborn.de>> wrote:
> > I would prefer to allow (not require) an additional unit information 
> (mph, km/h), simply to encourage data consumers to deal with them as 
> they are usually added by users.
> > On the other hand no data consumer can be sure about a (global) 
> default unit if there's no unit given.
> I thought it was assumed to be metric unless specified otherwise.
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