[Tagging] transaction parameters for ATMs

[seirra blake]

some providers already make it publicly available knowledge. for example 
in the UK link ATM has an app, and you can use it to find nearby ATMs. 
most of the things it tells you are pretty standard, but some things 
that may need new tags are pin management services, audio assistance and 
£5 notes (because otherwise you're limited to denominations of 10). I 
was thinking with these tags included, link ATM may feel encouraged to 
import their data and maintain it on OSM allowing them to save costs on 
their end and have a more detailed map. when I tried proposing minimum 
denominations before on here though it got shot down very fast.

On 2/14/19 7:17 AM, Colin Smale wrote:
>
> Tagging min and max withdrawals on the ATM is asking for confusion. 
> The normal limits are set by the card issuer, and I can see many 
> people mistakenly putting their personal card limits into these tags 
> on the ATM.
>
> More relevant here would be the denomination mix. ATMs have a fixed 
> number of canisters (maybe 2/3/4), each of which can hold a single 
> type of note. Which denominations are loaded depends on historical 
> usage patterns. Stocking low denomination notes might be good for user 
> convenience, but bad for the possibility of running out of money in a 
> busy location. Knowing the normal mix for a particular ATM, in 
> particular the smallest denomination, is useful for knowing which 
> amounts can be dispensed, and which not.
>
> So instead of min_withdrawal on the ATM, I would suggest min_denomination.
>
> In the case of multi-currency ATMs there will need to be a 
> currency-specific variant, like min_denomination:EUR=20
>
> Problem is, it will probably require data from multiple transactions 
> from small to large to work out the mix and we need to keep mappers 
> merging the data from their experience, and not overwriting the valid 
> data from a previous ATM user, while recognising that the denomination 
> mix can change, even according to the days of the week (weekends might 
> be different to weekdays in city centres).
>
> On 2019-02-14 07:29, OSMDoudou wrote:
>
>> The minimum can also differ.
>>
>> Some banks allow their young customers to withdraw small amounts, 
>> like 5 EUR, whereas adults and even young customers with cards from 
>> other banks will not be allowed to withdraw less than 20 EUR.
>>
>> So, it may create confusion between mappers because what you see as 
>> options on the ATM may depend on your card and your affiliation with 
>> the bank.
>>
>> This impairs verifiability on the ground of the information.
>> On 2/14/19, 03:45 Warin <61sundowner at gmail.com> wrote:
>>
>>     The maximum may also be limited by the card provider. Need some
>>     careful words on the proposal to say it is the limit of the ATM
>>     provider.
>>
>>
>>     On 14/02/19 13:31, Joseph Eisenberg wrote:
>>>     Withdrawals are not the only type of ATM transaction. 
>>
>>     So use
>>     withdraw_min=*
>>     withdraw_max=/*
>>
>>     ???
>>
>>     /The currency is set by some other tag that I forget now. That
>>     needs to be mentioned in the proposal.
>>     As a user .. I have no idea what the limits are. I suspect I may
>>     know the lower limit, but not the upper.
>>
>>
>>>
>>>     Perhaps max_withdrawal would be clearer?
>>>     On Thu, Feb 14, 2019 at 10:57 AM Nathan Wyand
>>>     <propaganda at nathanwyand.com <mailto:propaganda at nathanwyand.com>>
>>>     wrote:
>>>
>>>         Hello mappers,
>>>
>>>         I frequently use OSM to find ATM's near me, but many of
>>>         these machines place limits on how much can be withdrawn in
>>>         1 transaction. This can make it inconvenient and expensive
>>>         to withdraw money, requiring several transactions. Another
>>>         issue is that many machines only carry $20 notes, which
>>>         forces people to withdraw more or less than they actually
>>>         desire. I am considering two tags for use alongside
>>>         'amenity=atm':
>>>
>>>         *min_transaction* (the minimum amount of cash that can be
>>>         withdrawn in one transaction...typically the smallest
>>>         denomination of notes in the machine)
>>>         *max _transaction* (the maximum amount of cash that can be
>>>         withdrawn in one transaction)
>>>
>>>         This is my first time proposing a tag, and I would love to
>>>         hear your input and and advice. Thank you!
>>>
>>>         -Nathan
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>>>
>>>
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