On 12/03/19 02:32, Peter Elderson wrote:
you can use landcover, it has about 160K uses now by 6000 users, but
you should know that
a. landcover is not currently rendered by OSM Carto.
b. THe proposal states that "All areas in the landcover features
ofnatural <https://wiki.openstreetmap.org/wiki/Key:natural>=*will be
transfered tolandcover
<https://wiki.openstreetmap.org/wiki/Key:landcover>=*. ...The
tagslanduse <https://wiki.openstreetmap.org/wiki/Key:landuse>=grass
<https://wiki.openstreetmap.org/wiki/Tag:landuse%3Dgrass>,landuse
<https://wiki.openstreetmap.org/wiki/Key:landuse>=forest
<https://wiki.openstreetmap.org/wiki/Tag:landuse%3Dforest>andlanduse
<https://wiki.openstreetmap.org/wiki/Key:landuse>=railway
<https://wiki.openstreetmap.org/wiki/Tag:landuse%3Drailway>will be
transfered tolandcover
<https://wiki.openstreetmap.org/wiki/Key:landcover>=*." This is
certainly not going to happen any time soon.
And it is incorrect. landuse=railway is a use of the land, it does not
indicate a land cover.
If you decide to use landcover for existing area's, use it in addition
to current mapping. For instance, if you replace landuse=grass with
landcover=grass, or natural=wood with landcover=trees, most renderings
suddenly will show these areas as grey. I would not recommend that, in
fact you'll get a storm of protest! So in these cases, you use
landcover in addition to landuse, and when landcover gets rendered
(which I'm sure it will, some time) you can alter landuse without
greying the map.
Not all present landuse tags are landcovers.
To add patches of trees and grass in an area with landuse=residential,
industrial or leisure, you can use landcover, though it will not yet
show op on OSM Carto.
Some of the tags relevant when mapping land covers are the keys
natural=*, landcover=*, building=*, sub keys surface=* and the one value
landcover=grass.
The landuse=residential, industrial or leisure are not relevant to land
cover as they may have different land covers within their boundaries.
Also, major editors allow entering landcover, but have no special
support for landcover tags.
Of course, if you make your own map style for the project, you can
make landcover show up, just remember that the standard OSM Carto map
does not.
Fr gr Peter Elderson
Op ma 11 mrt. 2019 om 15:16 schreef Lorenzo Stucchi
<lorenzostucch...@outlook.it <mailto:lorenzostucch...@outlook.it>>:
Hi all,
I’m Lorenzo, the vice-president of PoliMappers, the YouthMappers
chapter in Politecnico di Milano, we are going to organize a
mapathon in Milan talking about deforestation, in collaboration
with the Semillero Geolab UdeA, a Colombian chapter of YouthMappers.
We will would like to map land-cover in an area near the Amazonian
forest, the mappers will be people that have few experience in
mapping so we are thinking to map basic elements in landuse and we
found this proposal [1] on map basic elements.
The idea was to map: bareland, artificial surface and forest.
Should be a good idea to map following this idea?
Thanks for all the possible answer.
Best regards,
Lorenzo Stucchi
[1] https://wiki.openstreetmap.org/wiki/User:Rudolf/draft_landcover
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