On 19/02/2015 8:55 PM, Martin Koppenhoefer wrote:
2015-02-19 10:20 GMT+01:00 Warin <61sundow...@gmail.com
<mailto:61sundow...@gmail.com>>:
The usuall OSM practice is to have one tag xxx=maze and then have
a sub tag to distinguish the type of maze. Why this exception ..
other than poor practice in the past?
you seem to imply that there is just one way to look at the world. A=B
with subtypes of B, but a wall engraving is something completely
different (artwork) than a hedge or a ruin of an ancient religious
site, all of which can come in the form of a maze.
E.g. we are _not_ tagging man_made=metal_plate and then distinguish
metal_plate=memorial
metal_plate=sluice_gate
metal_plate=roof
metal_plate=hole_cover
etc.
Instead we use building=roof for all kinds of roofs and
historic=memorial for some kinds of memorials, and don't care whether
they are made of a metal plate or not.
There are infinite ways to structure / classify / interpret the world,
which are "main classes" and which are "sub classes" is something that
evolves within our open tagging system. There is no "usual OSM
practise" in a way it would determine how to classify mazes.
OSM usually tags what is seen on the ground ..
A stone sculpture is tagged
tourism=artwork
artwork_type=sculpture
material=stone
etc.
My preference is for one tag xxxx=maze .. if a distinction is to
be made between them then use a sub tag.. but there does not look
to be enough of them for that to be worthwhile?
So the choice for tags so far is
attraction=maze ... looks too restrictive if restrained to only
amusement parks.
historic=maze ..looks too restrictive as new mazes would be excluded.
So I'd exclude the above two.
amenity=maze
leisure=maze
tourism=maze
I'd be tossing a coin to chose between the three.
to describe what kind of object?
A maze. Be it stone, hedge, etc within an amusement facility or not.
Given the above artwork example .. I'm inclined to the leisure=maze
solution. As that would not conflict with an art work within the maze,
nor a fountain (amenity=fountain) and not restrict it to an amusement
facility.
So
leisure=maze
Possible sub tags?
material=
fee=
operator=
opening_hours=
etc.
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