[Talk-us] Proposed mechanical edit - remove objects that are not existing according to source of GNIS import that added them

[Mateusz Konieczny]

Mar 22, 2019, 3:22 PM by m at rtijn.org:

>> On Mar 22, 2019, at 4:08 AM, Mark Wagner <>> mark+osm at carnildo.com <mailto:mark+osm at carnildo.com>>> > wrote:
>>
>> On Thu, 21 Mar 2019 13:23:48 -0600
>> Martijn van Exel <>> m at rtijn.org <mailto:m at rtijn.org>>> > wrote:
>>
>>>> On Mar 21, 2019, at 12:35 PM, Mark Wagner <>>>> mark+osm at carnildo.com <mailto:mark+osm at carnildo.com>>>>> >
>>>> wrote:
>>>>
>>>> On Wed, 20 Mar 2019 21:46:59 -0600
>>>> Martijn van Exel <>>>> m at rtijn.org <mailto:m at rtijn.org>>>>>  <mailto:>>>> m at rtijn.org <mailto:m at rtijn.org>>>>> >> wrote:
>>>>
>>>>>> On Mar 20, 2019, at 9:01 AM, Mateusz Konieczny
>>>>>> <>>>>>> matkoniecz at tutanota.com <mailto:matkoniecz at tutanota.com>>>>>>> > wrote:
>>>>>>
>>>>>> I plan to run an automated edit that will revert part of the GNIS
>>>>>> import that added them and delete objects that never had any
>>>>>> reason to appear in the OSM database in any form, at least
>>>>>> according to GNIS data.
>>>>>>
>>>>>> Please comment no matter what you think about this idea! I will
>>>>>> not make the edit without a clear support so please comment if
>>>>>> you think that it is a good idea and if you think that it should
>>>>>> not be done.
>>>>>>
>>>>>
>>>>>
>>>>> Thanks for bringing the idea up. It actually did come up fairly
>>>>> recently on Slack
>>>>> https://osmus.slack.com/archives/C029HV951/p1550176430103000 <https://osmus.slack.com/archives/C029HV951/p1550176430103000>>>>>>  
>>>>>
>>>>> My view is that we would be missing an opportunity to have mappers
>>>>> review these locations and update the areas concerned. These nodes
>>>>> exist mostly in ‘undermapped' / remote areas that could use some
>>>>> human mapper attention. So I’d be in favor of trying to resolve
>>>>> this using some human driven cleanup first.
>>>>>
>>>>
>>>> My experience is that this will mostly just make things worse.
>>>>
>>>> There was a MapRoulette task a while back for cleaning up
>>>> unmodified GNIS-imported schools.  There were only a few of them
>>>> left around me, but the most common result was that an armchair
>>>> mapper would drag the node to a nearby non-house-looking building,
>>>> trace the building, and merge it with the imported node.  Not one
>>>> of these was actually a school.
>>>>
>>>
>>> Do you think this could have been prevented had there been better
>>> instructions?
>>>
>>
>> No, I don't.  Sorting out which GNIS nodes are outdated and which are
>> merely misplaced isn't something that can reliably be done from aerial
>> imagery.  For something like "(historical)" GNIS nodes, it's better
>> just to delete all of them.
>>
>
> Short of messaging individual mappers, do you see a way in which MapRoulette could be a ‘better citizen’?
> I’m thinking perhaps a way to ‘report’ challenges. (Not sure how that would work though.)
>
Is there way to mark challenge as for armchair users/requiring local survey?

And show from the second group only when explicitly required?

I remember that on my attempt to use MapRoulette many were not doable without local survey.

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