[Tagging] sidewalks

Anthony osm at inbox.org
Fri Aug 27 14:05:56 BST 2010

On Fri, Aug 27, 2010 at 5:36 AM, Nathan Edgars II <neroute2 at gmail.com> wrote:
> One real problem with routing along
> sidewalks is that they sometimes don't have curb cuts at
> intersections, yet it's legal to cross there. Example:
> http://maps.google.com/maps?ll=28.457321,-81.45624&spn=0.000993,0.002575&t=k&z=20&layer=c&cbll=28.457407,-81.45623&panoid=W8rLGRkFUgFWzRRpWLSWCg&cbp=12,59.26,,0,10.44
> To route correctly here, you'd either have to draw an incorrect
> footway, or the router would need to be able to "jump" a gap if
> there's no barrier (and you don't tell it you're in a wheelchair).

I see how that's a problem.  However, I'd say the best solution is to
just pick some unique way to describe it, and then it can be retagged
later when we can come up with a better scheme.

Really, this is one of those situations that's going to require editor
and/or API improvements to map correctly.  But get the data in the db,
and the situation can be better analyzed.

On Fri, Aug 27, 2010 at 9:03 AM, Nathan Edgars II <neroute2 at gmail.com> wrote:
> On Fri, Aug 27, 2010 at 9:00 AM, Anthony <osm at inbox.org> wrote:
>>> Then why map the sidewalks at all, if you're just going to put them
>>> next to every road whether or not one exists?
>> You can't legally walk next to every road.
> That's what foot=no is for.

What if you can walk on the road, but not next to it?

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