[Tagging] Use of highway=track vs highway=service cemeteries, parks, allotment gardens, golf courses, and recreation areas

[Mateusz Konieczny]

Mar 5, 2021, 11:06 by marc_marc at mailo.com:

> Le 05.03.21 à 10:50, Richard Fairhurst a écrit :
>
>> You really do not need two keys to express this.
>>
>
> I agree, but the fact that each tool has to build a list of values
> and then classify them into main groups is not ideal either.
>
Why? Different tools will have different needs and
data consumers will need to make their own decisions.

For example surface=grass_paver is horrible for bicycles and fine for cars,
surface=sand is bad for cars and bicycles, fine or maybe preferable
for hikers.

> you have made such a list, others also make such a list and with each
> new value, you have to make a new piece of code to say that the new
> "ultra precise" value is in practice in category A or B
>
What is preferable to taking classification from some external dataset.

> at least there should be a way to build this list in a collaborative way
> and easily readable by a program, this would allow to build a
> preprocessor to group all the ultra detailed values into larger groups
> for those who do not need to make the difference between a paving_stone
> variant A and variant B.
>
That would be far more complex.

BTW, you may use https://wiki.openstreetmap.org/wiki/Data_items
for that.

But it would not be not useful at least in cases known to me.
For any place where I processed surface values I would prefer
a manually curated list.
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