W dniu 07.08.2017 o 10:51, Frederik Ramm pisze:
You are welcome to write a renderer that computes these orders from the
existing data but please don't expect or entice mappers to compute this
and add the tags (or worse, entice people to write scripts that compute
these orders and add the tags to OSM). That would be like adding "is_in"
tags because the geocoder cannot be expected to compute this by itself.


I don't expect anyone to do this. I just noticed that we lack any worldwide classification of waterways (other than stream/river), which could be valuable data for different things. Some things can be computed and aggregated, but others are tagged as a general property - most notably highway types.

I agree that some sort of river classification might be helpful but you
cannot expect a mapper standing before a river to first analyse a large
dataset before they can find the right classification tag - that would
totally run counter of "on the ground verification".

This list is about creating standards for tagging. I ask here how to tag existing river classifications if someone wants to use it, not insist that we have to do it.

--
"Like a halo in reverse" [M. Gore]


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