[OSM-talk] tag proposal surface=gravel; concrete; dirt; grass

[Florian Lohoff]

On Fri, Aug 14, 2009 at 12:31:38AM +0200, Martin Koppenhoefer wrote:
> > ... and it is NOT assumed surface=paved. .. we don't ASSUME :)  .. instead
> > we have "If no other values of surface is listed, the default value is
> > "surface=paved" ... but actually, it should be "surface=undefined", as the
> > default value if none are listed.
> 
> no, I think for roads we always had the default: "paved" and I would
> stick to this and tag the exceptions.

We should have sensible default for most of the tags on highway
type of ways - I see a lot of bloat coming when people start tagging

  	
	access = yes
	bicycle = yes
	foot = yes
	layer = 0
	maxspeed = 30
	motorcar = yes
	motorcycle = yes
	surface = paved
	lit = no

And yes - this happends and it happens more and more ... These should
more or less all be default and a validator should.

I see the problem that there are other regions of the world where
a paved road is an exception e.g. Madagaskar (CIA Factbook):

	total: 65,663 km
	paved: 7,617 km
	unpaved: 58,046 km (2003)

But than make the most common usage the default - this will save gigabytes
of storage once we have the World Domination ...

Flo
-- 
Florian Lohoff                                         flo at rfc822.org
"Es ist ein grobes Missverständnis und eine Fehlwahrnehmung, dem Staat
im Internet Zensur- und Überwachungsabsichten zu unterstellen."
- - Bundesminister Dr. Wolfgang Schäuble -- 10. Juli in Berlin 
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