[Tagging] Sample tagging for highways with no lane markings

[Warin]

On 26/05/18 23:13, Tod Fitch wrote:
>> On May 26, 2018, at 5:42 AM, Martin Koppenhoefer <dieterdreist at gmail.com> wrote:
>>
>>
>>
>> sent from a phone
>>
>>> On 24. May 2018, at 05:47, Tod Fitch <tod at fitchdesign.com> wrote:
>>>
>>> By the way, I don’t see a way to tag the accuracy or confidence level for a measurement. Seems like we ought to have something like *:confidence=*, similar to the *:lanes tagging so we could, for example tag the width of a road as:
>>>
>>> width=18’0"
>>> width:confidence=2’0"
>>
>> I’m not sure we really need this, road width will have small variations anyway.
>>
> Road widths can vary. But a general method of tagging uncertainty could be useful for other things. It gives a way of indicating that the location of some items has been surveyed with professional equipment and techniques and is accurate to, say, a centimeter.

The variation of the road width should be included in the uncertainty.