[Talk-us] [bot] Proposal to fix issue with duplicated inner polygons in the United States

[Eric Ladner]

It's a daunting task to update thousands of miles of coastline, bays,
rivers, etc., after a weather event, esp. when the satellite imagery lags
by months or years.

Probably a "best-effort" thing.

On Wed, Feb 16, 2022 at 7:17 PM Eric Patrick <txemt1 at gmail.com> wrote:

> Will these be updated after every hurricane comes through and changes the
> coastline?
>
> On Tue, Feb 15, 2022 at 2:24 PM Eric Ladner <eric.ladner at gmail.com> wrote:
>
>> Having experience with editing some of the Lousiana coastal areas, it's
>> several failed, incomplete, and possibly overlapping NHD imports with a
>> mess of invalid multi-polygons, unclosed features, and any other error you
>> can think of.
>>
>> I would recommend against turning the bot loose on that geometry until
>> simpler test cases are attempted.
>>
>> On Tue, Feb 15, 2022 at 5:20 AM TomTom OSM <OSM at tomtom.com> wrote:
>>
>>> Hi Minh,
>>>
>>> Thank you for your kind words, and valuable feedback!
>>>
>>> I passed your suggestions to my team. They will take a closer look at
>>> them, and I'll get back with more details in a while.
>>>
>>> Kind regards,
>>> Marjan
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Minh Nguyen <minh at nguyen.cincinnati.oh.us>
>>> Sent: Friday, February 11, 2022 6:58 PM
>>> To: talk-us at openstreetmap.org
>>> Subject: Re: [Talk-us] [bot] Proposal to fix issue with duplicated inner
>>> polygons in the United States
>>>
>>> [You don't often get email from minh at nguyen.cincinnati.oh.us. Learn why
>>> this is important at http://aka.ms/LearnAboutSenderIdentification.]
>>>
>>> Vào lúc 04:25 2022-02-08, TomTom OSM đã viết:
>>> > We propose to do a test run by updating invalid polygons in the
>>> > Louisiana state, where 5,541 cases are logged by the Osmose rule. Per
>>> > the Automated Edits code of conduct, we will wait for your feedback
>>> > before we begin.
>>>
>>> Hi Marjan, at a glance, it looks like many of the issues involve
>>> multipolygons imported from NHD, since Louisiana has a very complex
>>> coastline and system of bayous. [1][2] I think many of us would welcome
>>> help cleaning up old NHD imports, particularly regarding topology issues.
>>>
>>> If you later move on to other states, you may need to pay additional
>>> attention to occurrences of this warning that don't only involve natural
>>> multipolygons. For example, it's possible that a natural feature might be
>>> coincident to an enclave of a boundary relation. I'm unsure if mappers
>>> would prefer the boundary relation to be conflated with the natural feature
>>> or kept separate from it.
>>>
>>> [1]
>>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.openstreetmap.org%2Fwiki%2FNational_Hydrography_Dataset&data=04%7C01%7Cosm%40tomtom.com%7Ca2065442e7e14a5f7f7408d9ed886316%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637801992953769114%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=DdeDNtg2FTWBWHq5B3nViP%2BQi7M8OqEb5kylsBUBcEg%3D&reserved=0
>>> [2]
>>>
>>> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fosmose.openstreetmap.fr%2Fen%2Fissues%2Fopen%3Fsource%3D10139%26item%3D1170%26class%3D1%26limit%3D500&data=04%7C01%7Cosm%40tomtom.com%7Ca2065442e7e14a5f7f7408d9ed886316%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637801992953769114%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=wmlkJzpsSzLtPa36I%2B6TXqXJyG%2BPMH%2Brqn4eA2%2B13X0%3D&reserved=0
>>>
>>> --
>>> minh at nguyen.cincinnati.oh.us
>>>
>>>
>>>
>>>
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>>
>>
>> --
>> Eric Ladner
>> _______________________________________________
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>>
>

-- 
Eric Ladner
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