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

[Eric Ladner]

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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