Hi François,
I do actually like the word input for generator and have been thinking
that 'battery:origin' makes no sense either to specify the type of
origin. Keys such as 'electricity:grid:origin=*',
'electricity:generator:input=*', and 'electricity:battery:type=*' would
be more distinct and would separate them. My only problem with that is
that the wikipage would probably need a flowchart to explain the tagging
:/ What do you think?
Regards, Lukas
On 14.11.20 20:07, François Lacombe wrote:
Thank you Lukas for answers
Le sam. 14 nov. 2020 à 17:56, Lukas Richert <[email protected]
<mailto:[email protected]>> a écrit :
Hi François,
the combination of electricity:grid=yes with either
electricity:origin=* or electricity:grid:origin=* would point to
the origin being only about financial flows as advertised
on-the-ground.
Agree with that.
electricity:grid:origin isn't part of the proposal, will we have to
approve it?
For the purpose of filtering out amenities, e.g. charging
stations, that only use 'green' electricity it is still useful to
tag electricity:origin=* or electricity:generator:origin=* in
combination with electricity:generator=yes.
Don't agree with that :)
This filtering won't be accurate at all and will encourage people to
think claimed origin through a power grid is equivalent to certainty
of locally obtained electricity (which isn't)
I'm clearly against any association between a generator device and
'origin' word. electricity:origin should relate to grid/market only
and remain a claim with no physical reality.
Alternatively, there would need to be a tagged relation to the
specific generator and the end users it supplies which would be
considerably harder to query and many OSM editers seem to find
relations confusing. Therefore, I think the slight bit of
redundancy is useful to explicitly tag this on the amenity.
Understood, that would enable to check consistency as well.
Furthermore, the word 'origin' is used, not only to avoid two tags
with very similar meanings that can be easily distinguished by
combination with the infrastructure tag
I respectfully disagree, they don't have a similar meaning in many
situations.
Merging both in a single key will only be accurate when the claim is
equivalent to local production which isn't necessary: you buy solar
energy and backup with diesel more often than backup with solar.
, but also since 'electricity:source' would then have a double
meaning with 'the survey/map/place where the knowledge of the
electricity was obtained', which is apparently a problem for some
other tags using source as a keyword.
i'm currently thinking about refine generator:* subkeys and it's sure
this discussion will be really inspiring.
Indeed source should be avoided and I keep that in mind.
In power context "source" refers to inputs and as we already have
generator:output, why shouldn't we have generator:input?
generator:input=wind
input:wind=X kW
output:electricity= Y kW
All the best
François
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