Hi Jan,
I would refrain from overwriting the power_supply tags. Firstly,
speaking as a native speaker, it is not an intuitive name. The first
few times I saw this I immedialtey thought it wasn't relevant to what I
was searching for and didn't even read the wiki. A power supply
<https://en.wikipedia.org/wiki/Power_supply> is a device that supplies
electric at a specific voltage, current etc. and is typically built into
computers, used in labs etc. It does not specify the existence of
electricity. (If anything, the word they meant to use is probably
'electrical outlet'.)
Furthermore, the tagging is highly inconsistent. The way it is described
on the wiki page has nothing to do with the way it is described on the
camp_site page. I think the data would be better and more consistent if
power_supply is deprecated and slowly replaced by either socket:* or
electricity, depending on the meaning.
I think overwriting the meaning of a used tag is a dangerous method and
taggers that are already using it wouldn't necessarily notice the change
in definition. If the tag was deprecated, it would be obvious which
definition the tagger was using instead of introducing a further
variable into an already badly documented tag. Also, power_supply:socket
would again be a duplication of the already existing, well-thought-out
socket tag.
Cheers, Lukas
On 30/10/2020 15:17, Jan Michel wrote:
Hi,
I don't see a need to introduce new 'electricity:XY' keys.
The current definition of 'electricity' is to mark how an
amenity or building is supplied with energy. There is no intention
to have this key mark things like access for other people to this
energy source.
Access to electricity is tagged using 'power_supply' - and all your
ideas would fit perfectly into the already existing
'power_supply' key. It seems to be the ideal occassion to revisit
this tag and bring it to a good shape.
Here's what I would do:
- There is no formal proposal for power_supply yet, so we should write
one
- The option to have socket types as values is listed in the Wiki, but
hardly ever used (93% of uses are plain yes/no), so this should be
dropped as its mixing different things into one tag.
- Propose the new subtags according to your ideas, i.e.
power_supply -> adjust values to be yes/no/grid/generator ...
power_supply:socket -> values and meaning as in Key:socket
power_supply:source -> values and meaning as described for
power:source and generator:source
power_supply:fee -> already in use!
power_supply:access -> like in common tags like toilets:access
Jan
On 30.10.20 13:44, Lukas Richert wrote:
Since a lot of people apparently didnt see the RFC the first time,
I'll go back to RFC status for now. (I thought the threads were
sorted by subject title of the email and didnt check online if it was
actually visible. )
--------------------------------------------------------------------------------------------------------------
The original message:
Hello all,
after the comments on the confusing nature of the word 'source' in my
original proposal of 'electricity:source', I have now changed the
name to 'electricity:origin' as suggested on the discussion page.
Furthermore, I would like to revive and extend the proposal of the
key 'electricity' as this previously conflicted with parts of the
electricity:source proposal and was not consistent.
Both proposal pages:
[1] https://wiki.openstreetmap.org/wiki/Proposed_features/electricity
[2]
https://wiki.openstreetmap.org/w/index.php?title=Proposed_features/electricity:source
The idea now is to allow for the tagging of buildings or amenities
that have electricity. The rationale is described in more detail at
[1]. Tags such as access, fee, schedule and origin can then narrow
down the availability to the public and the question of financial or
direct origin of the electricity.
This is distinct from the drafted tag power_supply as it is used to
describe the type of sockets used at a specific outlet. The values
for that tag are still currently under discussion.
I would also not tag this as a subset of power=* as this maps the
facilities and features that relate to the generation and
distribution of electrical power and should not be used to map the
consumers of electricity.
I am eager to hear the feedback to the revised proposals!
-----------------------------------------------------------------------------------------------------------
Also, perhaps relevant: both the power_supply
<https://wiki.openstreetmap.org/wiki/Key:power_supply> and socket
<https://wiki.openstreetmap.org/wiki/Key:socket> keys describe the
same feature. power_supply so far has occasionally been used in the
manner that electricity proposes to be. Unfortunately, the proposal
for power_supply is relatively inconsistent. I think the socket:* tag
is better thought out and also currently more used. I would be in
favor of deprecating power_supply and separating the two meanings it
currently has into electricity=* and socket:*=#.
Regards,
Lukas
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