[Talk-us] Proposed mechanical edit - New York building footprints

[Kevin Kenny]

On Mon, Mar 28, 2022 at 4:36 PM Kevin Kenny <kevin.b.kenny at gmail.com> wrote:

> On Mon, Mar 21, 2022 at 8:17 PM Kevin Kenny <kevin.b.kenny at gmail.com>
> wrote:
>
>> On Fri, Mar 18, 2022 at 11:21 PM Kevin Kenny <kevin.b.kenny at gmail.com>
>> wrote:
>>
>>> (See a more detailed project plan, including scripts developed and used
>>> so far,
>>> at https://github.com/kennykb/NYbuildings_repair)
>>>
>>> In the last week or so, I've discovered a somewhat distressing fact
>>> about building footprints in New York State. Well over 100,000 of them were
>>> created by OSM users 'NYbuildings' and 'AlexCleary', both of which are
>>> identified as pseudonyms for 'mileuthi'. The process appears to have been
>>> that they were transcribed from Microsoft's AI-generated building
>>> footprints, obtainable from
>>> https://cugir.library.cornell.edu/?f%5Bcugir_category_sm%5D%5B%5D=structure,
>>> together with the Street and Address Map data developed for the E911 system
>>> and obtainable from
>>> https://gis.ny.gov/gisdata/inventories/details.cfm?DSID=921.
>>>
>>
>> The fix-bot for this problem is getting close to be ready to roll.
>>
>> I've created a project page at
>> https://wiki.openstreetmap.org/wiki/Mechanical_edits/ke9tv_NYbuildings_repair
>> ,
>> and uploaded a bunch of randomly-selected changesets that the bot would
>> apply into
>> https://github.com/kennykb/NYbuildings_repair/tree/main/sample_changesets
>> .
>>
>> Consider this message to be a first request for peer review. If I don't
>> hear any shouts of "NO!!!!" in the next week or so, I'll upload a few
>> changesets, and post links to them here so that the end product can be
>> reviewed.
>>
>
> Don't say I didn't warn you.  I've uploaded ten changesets after carefully
> hand-scrubbing them.  The only potential issue that I found was that two
> housenumbers appeared possibly to have been transposed. Since the two
> establishments share a common, named, service way, it's entirely possible
> that their house numbers run out of sequence with respect to the main
> highway, which appears in the postal address, so this is not a definite
> error.
>
> I spotted a couple of misspelt street names in OSM that had arrived from
> the TIGER import. Clearly a fix to building addresses won't change these.
> I also spotted a block of `addr:place=*` tags that are both incorrect (the
> houses in question are not in the named village) and out of keeping with US
> practice.  Since the mechanical edit does nothing with `addr:place=*`, I
> didn't consider that to be a problem with the edit.  I can fix these
> separately under my own user name rather than under the mechanical edit
> account.
>
> Descriptions of the changesets appear as an update at the bottom of the
> GitHub project page at https://github.com/kennykb/NYbuildings_repair.
> You can also see them under the mechanical edit user
> 'ke9tv_NYbuildings_repair'
> https://www.openstreetmap.org/user/ke9tv_NYbuildings_repair/history .
>
> I'll put the project on hold for another week or so, and if I don't hear
> anything adverse here or in changeset comments, I'll start moving forward
> with the rest of the repair.
>

I'll extend the pause an additional week (until April 9 or so) to allow
potential reviewers time to get back from SOTM-US.



-- 
73 de ke9tv/2, Kevin
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