[Tagging] Race track

Richard Welty rwelty at averillpark.net
Sun Jan 31 03:08:51 GMT 2010

On 1/30/10 9:22 PM, Steve Bennett wrote:
> On Sun, Jan 31, 2010 at 11:34 AM, Roy Wallace<waldo000000 at gmail.com>  wrote:
>> Sure, but what about mapping the way *as an area*, e.g. if you want to
>> accurately trace over wide vs. narrow parts of the track? I remember
>> this came up a little while ago in the context of "should all highways
>> be mapped as areas", but I'm not sure if there were any tagging
>> guidelines produced as an outcome of that... it is just a matter of
>> adding area=yes?
> Race tracks are probably well suited to mapping as areas rather than
> simple highways, both because there's more to map (they're very wide,
> but as you point out, vary in width a lot), but also because they
> don't need to be routed on (pretty unlikely anyone is going to try and
> navigate one with a gps).
> In other words, mapping with area=yes will probably produce a better
> result in renderers and a worse result in routers, and in this case,
> that's probably a good thing.
they are also unidirectional (with rare exceptions), and not all 
possible physical configurations
necessarily are used. none of these factors can be represented with a 
multipolygon based


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