[talk-au] surface=unsealed in 4wd/dirt road tagging

[Steve Bennett]

On Wed, Jul 3, 2013 at 9:03 AM, Ian Sergeant <inas66+osm at gmail.com> wrote:
> Surprising stat.  Especially considering paved is considered the default.

Yeah - I try to specify it wherever possible though, outside cities.

> I really like multi-level tags.
>
> natural=water
> water=lake
>
> surface=unpaved
> unpaved=gravel
>
> surface=paved
> paved=asphalt
>
> It makes it easy for people two write simple parsers without enumerating the
> options, but people who are want to parse the details to do so.
>
> There are a number of instances when OSM uses this type of multi-level
> tagging scheme, but it lacks any form of consistency.

Agreed on all counts. There are a lot of people who still think the
best thing to do is make up new tags on the fly and to encourage
others to do the same.

Steve