[Tagging] Are there really substations that cannot be mapped as nodes?

[François Lacombe]

Hi Mateusz,

First of all, I don't question fundamental principle of OSM to let anyone
use any tags he/she wants on any geometry.
Anyone who maps any kind of substation on a node will be welcome.

Current practices establish a clear geometry affinity
https://taginfo.openstreetmap.org/tags/substation=industrial (95% areas)
https://taginfo.openstreetmap.org/tags/substation=transmission (98% areas)
https://taginfo.openstreetmap.org/tags/substation=minor_distribution (24%
nodes)

"Other substations" look like : https://www.openstreetmap.org/way/110086345
It won't be possible to make hundred of contained features fit on a node
there.

To me, there is no point to prescript geometry affinity in wiki at the
lowest (or limited) information level available.
It's valuable to prescript it with highest knowledge possible in mind.
If not, we can map mostly everything on nodes, then why do we mind node
affinity?

>From that perspective, cemeteries should only up with areas in the wiki.
Practices go clearly in favor of area as well, 99% are areas.

Same for water=lake, deservedly discouraged on nodes in the wiki.
https://wiki.openstreetmap.org/wiki/Tag:water%3Dlake
99% are areas. A small amount of nodes remain and that's all right, thanks
to mappers, we'll look to give more details with areas later.

Finally, all this proposal is about quality control and disambiguation
between substations and contained features.
Defining situations where areas are preferred leads to more relevant
quality checks.
Particularly in regard of possible confusion between power=substation and
power=transformer.

Best regards

François
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