[talk-au] Discussion B: three shades of green
ahoran at gmail.com
Thu Sep 26 04:07:26 UTC 2019
Do you have a specific question? Send us a link to a way or changeset
rather than handwaving towards 20sq km of map, I have no idea where on that
map i'm meant to look.
As a guide to asking better questions: make it short, make it specific,
show that you've done some homework first, make it easy for people to help
'Green' isn't a tag? Green is a rendered representation of the map data,
and is based on the choices made by the renderer for the purposes they need.
You should be looking at the access tag
https://wiki.openstreetmap.org/wiki/Key:access this tag is generally
applied to nodes (eg gates) or ways (eg roads) and is less frequently
applied to areas.
The access statement is from the point of view of the public. The farmers
and construction workers are both just different types of private access,
and it's not particularly helpful to attempt to map that.
Most urban & urban fringe land in Australia is likely private, but you
won't find it mapped like this. In general you'll find mappers only add
access tags to clarify public or permissive access to public-looking land
(eg parks, reserves, gardens, sporting facilities, etc), or to land that
might look public but is in fact private. (eg school sports fields maybe?)
There are various tags for construction
https://wiki.openstreetmap.org/wiki/Construction check them out first.
In *general *we only map what is on the ground, and drawing in 'planned'
stuff is not always helpful. Particularly if the planned roads modify
existing/current roads. Additionally, for 'planned' things you can't always
get the geometry data from a source that we can use. Adn you'll find that
lots of things get 'planned' and never materialise, so there's little point
building up that potential debt in our map.
On Thu, 26 Sep 2019 at 12:54, Herbert.Remi via Talk-au <
talk-au at openstreetmap.org> wrote:
> Discussion B: three shades of green
> There are three areas along the Molonglo River in the ACT, each about 1-4
> square km in size. All cover mostly in grass with the occasional dam,
> fences and creeks. But they are quite different in land use. One is a farm,
> one area is currently being built into a new suburb of Canberra, and the
> third is a nature reserve.
> This is important but the access is different. The fist for the farmer,
> the second for the builders and the third for recreation. If you ride, run
> or walk about Canberra it is the last one that you are looking for and need
> to find on the map.
> How to tag these three areas?
> Currently, they are all green. Of particular interest, I think, are land
> use and permissions. Permission information is important for gates and
> paths and tracks within the area for the maps to be valuable for routing.
> Link to the map:
> The details:
> Coppins Crossing Rd, ACT is being duplicated. On the west side, the new
> suburb of Whitlam is under construction. To the east is an area that will
> be developed into a suburb in a few years but currently is used for grazing
> stock (sheep and cattle). Both were used for agriculture until recently. On
> the other side of Whitlam is the Kama Nature Reserve.
> I am interested in tagging land usage and permissions.
> Further details for Whitlam
> Developer: ACT Land Development Agency
> Stages: 4
> Dwellings: 600 in FY 2019, 600 in FY 2020, 500 in FY 2021, 400 in FY 2022
> Keywords: construction, grassland, meadow, nature reserve, land use,
> permission, lifecycle, rural, multipolygon, ACT, Australia
> Talk-au mailing list
> Talk-au at openstreetmap.org
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