[Tagging] Sample tagging for highways with no lane markings

Tod Fitch tod at fitchdesign.com
Sat May 26 13:13:04 UTC 2018


> On May 26, 2018, at 5:42 AM, Martin Koppenhoefer <dieterdreist at gmail.com> wrote:
> 
> 
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> 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.




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