[Tagging] Feature Proposal - RFC - boundary=forest(_compartment) relations
Martin Koppenhoefer
dieterdreist at gmail.com
Wed Feb 10 13:50:11 UTC 2021
Am Mi., 10. Feb. 2021 um 13:47 Uhr schrieb Paul Allen <pla16021 at gmail.com>:
>
> The forestry proposal emphasises that its boundary may encompass
> areas of not-trees: lakes, rocks, cleared ground where trees have
> been felled and new trees have yet to be planted, etc.
>
I believe it is not helpful to include lakes, rocks or scree in "forestry"
areas. I can understand that from a macro perspective, in a "forestry" area
there might be lakes, e.g. if you say "the Amazon rainforest is a forestry
area" (exaggerating here to make the point) but going more into detail, you
can hardly argue that a lake is used for forestry, or scree. In OSM we tend
to expect that the macro view is represented by analyzing the detailed
mapping. We generalize as few as we think makes sense (and according to the
time we dedicate), but in principle we strive for a high level of detail,
because you can always compute more abstract generalizations, but you can
never get detail that isn't there.
I also do not believe it is helpful to see sawmills as part of forestry. We
do not see furniture factories as part of residential landuse, do we?
> On one hand
> the cleared areas are part of forestry, and should be included in
> the boundary. OTOH, what is visible from a nearby hill are
> areas of trees and areas of not-trees and in some ways it
> might be nice to make the distinction so that people can
> see that reality matches the map (it's always nice when we
> can tweak reality so it matches what is on the map).
>
question is what you consider a "tree", does it depend on the size, or only
the species? Is a 1 month old tree a tree?
https://de.depositphotos.com/1662947/stock-photo-oak-plant-growing-in-soil.html
If you don't expect trees that create significant shade, a cut down forest
where new trees should grow could still be seen a forest or forestry area
(generally I believe it is better not to clear cut all trees, if you intend
to have a forest in the future as well).
Cheers
Martin
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