as an example, say a cash machine dispenses £10 and £20 notes... you
can't guarantee you'll get 20s can you? but what you do know, is you can
get any multiple of 10. so maybe the standard notation could be that you
put currency, the currency code, then the smallest amount you can get?
as the smallest amount is usually meant to be able to make up any larger
amount theoretically that should be enough. (for example, 5 would
declare you can get anything that is a multiple of 5, 10 would declare
anything that is a multiple of 10). so using that idea you could put
currency:GBP=5, and that would declare it lets you get multiples of 5,
but if you're unsure you can put currency:GBP=yes. i guess you could
also put currency:GBP=5;10;20. there are no other cases of numerical
uses for the currency tag, so it seems like an okay way to do it
On 08/24/18 19:41, Paul Allen wrote:
On Fri, Aug 24, 2018 at 6:38 PM, seirra <gene...@sarifria.x10.bz
<mailto:gene...@sarifria.x10.bz>> wrote:
i would imagine it would be better having some data over none though?
Incomplete data is better than no data. Incorrect data is worse than
no data. The problem with this is that
incomplete (or even complete) data can become incorrect over time.
OTOH, we already map other things that are relatively ephemeral.
Opening hours can change. Hygiene certificate
ratings can go up or down. Businesses go bankrupt. Etc. There's a
place near me that was a shop, then a
fast food outlet called "Porky Pies", then an Indian restaurant,
within the last month it became a fast food outlet
called Deegee's. That's all over the span of about 5 years. It's
inconsiderate of them to force me to keep updating
the map.
ATM denominations would be great if there is an effort to keep it up
to date. Maybe suggest that mappers only tag
it (with whatever tag we decide upon, if we decide to do it, and if
ever we can decide on a tagging scheme) if they
use that particular ATM at least monthly. Everyone will ignore the
suggestion, of course, and use the tag on ATMs
they've used only once and will never use again.
Maybe I'm just worrying because I can remember the days when ATMs
dispensed £1/£5, then went to £5/£10 and
are now (mostly) £10/£20. Inflation is still present and bank
branches keep closing, so there's more demand for
ATMs. Which means they'll empty faster, which means we may see
£20/£50 soon.
In the end, though, if enough people want do to it they'll do it, so
all we can do here is try to come up with a
sensible way of tagging it then document it.
We already have currency:XXX=yes/no (a proposal but the iD editor has
supported it for a while). So maybe something like
currency:denomination:GBP=10;20. Then if there's a locality with two
common currencies where an ATM might dispense
one, or the other, or both, we can use currency:denomination:GBP=10;20
+ currency:denomination:EUR=5;10 (a
situation we're unlikely to see in the UK, but it's just an example).
There's probably a better way of doing it, and
people will be along shortly to argue about it. :)
--
Paul
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