On 3 July 2013 08:52, Steve Bennett <[email protected]> wrote: > > Also a quick stat for you. 165,000 highways in Australia have a > surface tag. 718,000 don't. > > Surprising stat. Especially considering paved is considered the default.
> it's no more burdensome > to show all of [unsealed, unpaved, gravel, dirt] as a dashed line > rather than just, say, unpaved. > 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. Ian
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