On 13/12/18 11:52, Sergio Manzi wrote:
Hello Warin,
I think that extending the defined values for intermittent=* could
yield the same result and convey the very same information *without
adding a new tag* (/don't we have enough?/)
Assuming (/and this is just an assumption at this time.../) that we
are able to define a correct and agreed cutoff value for the frequency
of an event for it to be defined /ephemeral /vs. /intermittent/, then
we could simply add the following keys for intermittent=*:
* ephemeral_spring
* ephemeral_summer
* ephemeral_autumn
* ephemeral_winter
* ephemeral_dry_season
* ephemeral_wet_season
... and be happy with that! :-)
Yes and no...
At the moment developing a system to render seasonal values on requires
a determination on spring/summer/autumn/winter etc .. this would add
some new terms. Not too hard but does add to things.
Not certain about ephemeral being subservient to intermittent.
Cheers,
Sergio
On 2018-12-13 00:14, Warin wrote:
Hi
I have reworked the ephemeral proposal.
This now demonstrates;
the difference between intermittent and seasonal - some want to
combine them into one and see the ephemeral key as just another
intermittent/seasonal thing so they vote no.
that ephemeral applies to more that just streams - some want it as a
sub key to streams .. that is not possible if it applies to other
things, these people too vote no.
It now draws on the seasonal page to demonstrate the use of the
seasonal values.
I see this key being used by the experienced local who can draw on
local knowledge.
The arm chair satellite mapper will have to stick with intermittent
as they will not be able to determine if seasonal nor ephemeral
apply, they may not even be able to determine intermittent.
I hope this proposal page is now somewhat clearer?
https://wiki.openstreetmap.org/wiki/Proposed_features/ephemeral
---------------------------
I may do a dairy entry on seasonal, intermittent and ephemeral. Looks
to me like a lot of confusion probably promoted by the use of
intermittent everywhere.
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