[Tagging] Planning route in the shade during hikes either in urban areas or forests

[Brian M. Sperlongano]

I am opposed to the mapping of shade.

While I think this is an interesting problem, I think it is simply too
nebulous of a concept that doesn't belong in OSM.

I believe the Australians would also object to the characterization of
shade being on the north side of a building as well :)

I intend to vote against it if put up for a vote.

On Sun, Jul 4, 2021 at 2:05 AM bkil <bkil.hu+Aq at gmail.com> wrote:

> How would you specify the kind of shade, like whether it comes from a
> man_made feature or foliage (tree or hedge)? Should it be combined
> with seasonal=* for deciduous plants?
>
> What is the criterion with regard to time of day, like if due to the
> angle of the sun, it only provides shade between 11:00-13:00 (the most
> important time), before noon or in the afternoon? It can also come
> handy to know whether the pavement will still be burning to your dog
> if shade only reaches the highway during the afternoon.
>
> https://wiki.openstreetmap.org/wiki/Talk:Key:shade#type_of_shade
> https://wiki.openstreetmap.org/wiki/Proposed_features/Shade
>
> As an alternative, it would be possible to map each and every tree and
> hedge, along with its taxon, height and crown_diameter, each fence
> with fence_type and each building and other structure in 3D, each
> sidewalk with exact material and geometry and compute shading based on
> that, but this sounds like much more work and it is implausible in
> most parts of the world in the foreseeable future (and not required
> for solving the problem at hand to a given approximation anyway).
>
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