[Tagging] Power=cable for low voltage lines?

François Lacombe fl.infosreseaux at gmail.com
Sun Oct 14 14:17:55 UTC 2018

Hi Jospeh,

What a time to discuss about minor_line!

Basically in power language, a line is not insulated while a cable actually
I won't be in favor to slightly adapt minor_line to include some cables
(even tiny).

More generally, the concern to show on carto render only what is relevant
or significant regards the voltage here.
An important voltage makes things really bigger while a low one allow to
reduce sizes, including the space between conductors.
This what is exactly implied in minor_line, and what is cluttering power
key values too.

To solve the problem, carto can filter power=cable on voltage=*, because we
shouldn't introduce power=minor_cable.

All the best


Le dim. 14 oct. 2018 à 12:48, Joseph Eisenberg <joseph.eisenberg at gmail.com>
a écrit :

> The team at Openstreetmap-carto (the "standard" map style) recently added
> rendering for power=cable which are specifically tagged as being overground
> or overhead (on the ground or on poles).
> Most power=cable are high-voltage underground or underwater power cables,
> but some are insulated cables above-ground.
> Now it's can be seen that in some places, eg France, power=cable has been
> used for minor distribution lines (220 volt?) bringing power to individual
> buildings.
> Eg 1. https://www.openstreetmap.org/#map=18/47.95900/6.80918
> 2. https://www.openstreetmap.org/way/512818816
> Perhaps these should be tagged as power=minor_line, but the wiki says
> these are uninsulated, hence the confusion. And the wiki says "Use
> power=cable for any voltage"!
> Should the wiki page for power=minor_line be changed to mention the
> possibility that these lines may be insulated in some places? Should the
> power=cable page state that this is only intended for higher-voltage lines?
> -Joseph
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