[Tagging] Feature Proposal - RFC - Ephemeral a water property key.
Warin
61sundowner at gmail.com
Thu Dec 13 01:36:51 UTC 2018
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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>
>
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