See, saying “seems reasonable” actually seems reasonable, until one realizes 
one doesn’t truly know.  Ask yourself if others in OSM would agree if “seems 
reasonable” is good enough to meet OSM’s criteria for data entry:  you’ll get 
mixed answers, though a sizable number will say “not really good enough.”  You 
might even have a very high degree of confidence…though, ask yourself if you 
want to navigate (or otherwise rely upon) a map with what amounts to guesswork. 
 That’s how the camel’s nose (of creeping errors, one datum at a time) gets 
into the tent (map).  I mean no disrespect to camels.

I have decades of experience in software quality assurance at top companies 
(Apple, Adobe…), so I have great respect for Lukas’ tool finding / identifying 
errors (emphasis on those verbs), it’s what is done after that which matters.  
Guesswork?  Mmm, no, I’d prefer not.  Our usual “on the ground verify” (or 
otherwise equivalent, like “I already know that”) criteria:  yes, much better.

We’re not quibbling (slightly objecting to trivial matters) here:  these are 
fundamental decisions each and every mapper makes as they enter data into our 
map database.  I strive to keep that quality as high as I possibly can, though 
everything I say here is simply one person’t opinion.  Let’s be careful with 
power tools:  they’re great at finding / identifying errors, whether they can 
“fix” the data after that must be carefully considered case-by-case.


On Nov 28, 2022, at 12:44 AM, Marc_marc <marc_m...@mailo.com> wrote:
> Le 28.11.22 à 00:43, Dave F via talk a écrit :
>> a "high confidence" interpolation, from an armchair or anywhere, will lead 
>> to inaccurate data being added to the OSM database.
> 
> if you have a road in 3 segments A B C and A+C have the ssame name,
> then not only does it seem reasonable to me to add the name on B
> but also the reply "do a survey" is a dogmatic answer: the ground
> does not contain a sign every time osm cuts a way because of a change
> in the number of strips for example.
> So by survey, you will be reduced to deducing that a segment between
> 2 others with the same name, probably also has the same name


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