[Tagging] Rapids (whitewater) on rivers

[Brian M. Sperlongano]

+1

IMHO these are complementary.  waterway=rapids can be tagged from overhead
imagery, and the additional detail of the rapids can be added later by
people with subject matter expertise.

I see this as equivalent to sac_scale=* for hiking trails - it does not
replace the underlying highway=path, it adds more detail as to the type of
path.

Since both taggings are in use (and one is approved), it is appropriate to
document both.  If someone thinks that waterway=rapids should be
deprecated, I think the burden would be on them to propose that.

On Wed, Dec 16, 2020 at 3:58 PM Joseph Eisenberg <joseph.eisenberg at gmail.com>
wrote:

> In the year 2020 waterway=rapids has been added a couple hundred times,
> and the other two tags whitewater:section_grade and whitewater:rapid_grade
> have been used about 100 times each:
> https://taghistory.raifer.tech/#***/whitewater:rapid_grade/&***/whitewater:section_grade/&***/waterway/rapids
> (zoom in to the most recent yet)
>
> I think both tagging methods have their use. The tag waterway=rapids is
> great to add to a node to specify that there are rapids here, and the
> others are good for expert kayakers and rafters who are able to assess the
> rapid grade.
>
> I don't know enough about the subject to make a proposal to clear things
> up, but the existing tags seem to be fine.
>
> -- Joseph Eisenberg
>
> On Wed, Dec 16, 2020 at 12:35 PM Mateusz Konieczny via Tagging <
> tagging at openstreetmap.org> wrote:
>
>>
>>
>>
>> Dec 16, 2020, 19:27 by kevin.b.kenny at gmail.com:
>>
>> The last time I looked, there was no non-deprecated way to map the
>> information that I had.
>>
>> That is sign of bad tagging scheme.
>>
>> I now see that @jeisenbe has restored the `waterway=rapids` tag to the
>> Wiki.
>>
>> Is it enough?
>>
>> I asked here on the mailing list, and the only answers that I got were
>> along the lines of "then don't map it."  So for several years I haven't
>> attempted to map rapids. The ones I know of and want to render, I maintain
>> separately from OSM, because the previous discussion had caused me to label
>> this feature mentally as, "OSM doesn't want this mapped."
>>
>> :( Hopefully this can be fixed so this will not happen.
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