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

Tue Mar 1 07:24:38 UTC 2022

Hi everyone,
Today (Tuesday March 1st) we will start the test run of our bot in the state of Louisiana, where 5,542 cases of duplicated inner polygons were logged.
We will keep you informed on the progress and results of the test run.
Have a nice day!
Marjan

From: TomTom OSM <OSM at tomtom.com>
Sent: Tuesday 22 February 2022 20:45
To: talk-us at openstreetmap.org
Subject: Re: [Talk-us] [bot] Proposal to fix issue with duplicated inner polygons in the United States

Hi, Andy,
Thanks for all of this—there was plenty to think about.
It’s true that the duplicate polygons are not the biggest problem here. Our intent is just to help by cleaning up the data so that it is easier for editors to correct the features. We did this work in Canada, too, in collaboration with the community and learned a lot from them. (Here’s the conversation thread<https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.openstreetmap.org%2Fpipermail%2Ftalk-ca%2F2021-December%2F010184.html&data=04%7C01%7Cosm%40tomtom.com%7Ced2bfc66032a4d25a26a08d9f63c4545%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637811561005791842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=A5Ujiw74IqBnqfhvrahWqh84GMS9QvwsHmxt%2B1izE1w%3D&reserved=0>.)
As to our methods, our plan is to fix the violations as they appear in Osmose<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fosmose.openstreetmap.fr%2Fen%2Fissues%2Fopen%3Fitem%3D1170%26source%3D%26class%3D1%26username%3D%26bbox%3D&data=04%7C01%7Cosm%40tomtom.com%7Ced2bfc66032a4d25a26a08d9f63c4545%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637811561005791842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=UJ6JVTPybQYKUdVQixce0rK7JTHxKeWa02ed%2BZwRgEY%3D&reserved=0>.  For instance, this is the link for the features to be fixed in the Louisiana state: http://osmose.openstreetmap.fr/en/issues/open?country=usa_louisiana&item=1170&source=&class=1&username=&bbox=<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fosmose.openstreetmap.fr%2Fen%2Fissues%2Fopen%3Fcountry%3Dusa_louisiana%26item%3D1170%26source%3D%26class%3D1%26username%3D%26bbox%3D&data=04%7C01%7Cosm%40tomtom.com%7Ced2bfc66032a4d25a26a08d9f63c4545%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637811561005791842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=FkmUWMOo42XkmDmQvFT994vNpU6J9QZGXvsa1pGoF2U%3D&reserved=0>; this is an example of Illinois: http://osmose.openstreetmap.fr/en/issues/open?country=usa_illinois&item=1170&source=&class=1&username=&bbox=<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fosmose.openstreetmap.fr%2Fen%2Fissues%2Fopen%3Fcountry%3Dusa_illinois%26item%3D1170%26source%3D%26class%3D1%26username%3D%26bbox%3D&data=04%7C01%7Cosm%40tomtom.com%7Ced2bfc66032a4d25a26a08d9f63c4545%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637811561005791842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=UZ%2BeVzzTwjkyoc7IsBfTKmKomLNw59VNqEMv0SyuQMM%3D&reserved=0>; and so on.
The count shown in the table<https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.openstreetmap.org%2Fwiki%2FAutomated_edits%2FTTmechanicalupdates%2FFix_issue_with_duplicated_inner_polygons_in_United_States%23Bot_runs&data=04%7C01%7Cosm%40tomtom.com%7Ced2bfc66032a4d25a26a08d9f63c4545%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637811561005791842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=Fr%2BI%2BsEhWzKKEwnM8sWTcYx7Uxi2VwQ65f7cfb7ELFQ%3D&reserved=0> on the wiki is the one taken from Osmose<https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fosmose.openstreetmap.fr%2Fen%2Fissues%2Fopen%3Fitem%3D1170%26source%3D%26class%3D1%26username%3D%26bbox%3D&data=04%7C01%7Cosm%40tomtom.com%7Ced2bfc66032a4d25a26a08d9f63c4545%7C374f80267b544a3ab87d328fa26ec10d%7C0%7C0%7C637811561005791842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=UJ6JVTPybQYKUdVQixce0rK7JTHxKeWa02ed%2BZwRgEY%3D&reserved=0>, and dates back to 8 February 2022, when we first published this documentation. We've just added a few words of explanation and a general link to this Osmose violation so that hopefully there are no more misunderstandings.

It is true, as you say, that a double inner polygon might appear on features that have incorrect geometry or incorrect tags or are generally badly captured so that even if we fix the violation as logged by Osmose, it will still leave the feature itself incorrect. Still, in cleaning up the data, we are moving things along in the right direction. Our aim is to make small contributions that we know will be good for the map.

We would like to go ahead with the plan as outlined below, but if you have further concerns, please let me know.
Courtney
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