[Tagging] Power=cable for low voltage lines?

François Lacombe fl.infosreseaux at gmail.com
Mon Oct 15 11:19:01 UTC 2018


Hi Joseph,

Yes, according to you, it's a power cable.

We don't use the same tags: the first got voltage=200000000000 while the
second got voltage=220

All the best

*François Lacombe*

fl dot infosreseaux At gmail dot com
www.infos-reseaux.com
@InfosReseaux <http://www.twitter.com/InfosReseaux>


Le lun. 15 oct. 2018 à 00:05, Joseph Eisenberg <joseph.eisenberg at gmail.com>
a écrit :

> What about the 2 insulated wires that attach my house to the nearest power
> pole? Are they a power=cable (overhead)?
>
> If we use the same tag for huge 10 cm wide cables and tiny 1cm cables, it
> makes it hard for map renderers to show power cables at all without leading
> to problems.
>
> Joseph
>
> On Sun, Oct 14, 2018 at 11:19 PM François Lacombe <
> fl.infosreseaux at gmail.com> wrote:
>
>> Hi Jospeh,
>>
>> What a time to discuss about minor_line!
>>
>> Basically in power language, a line is not insulated while a cable
>> actually is.
>> 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
>>
>> François
>>
>> 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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