Vous confondez des voitures avec des bâtiments - par exemple way/607405693. Je les ai effacés.

Je suis quasiment certain qu'il n'y a pas de bâtiments au milieu du rond point - j'ai vérifié plusieurs sources d'imagerie est aucune ne les mentionne. D'où les sortez-vous ?

Concernant way/607410162, le bâtiment est orthogonal mais vous le tracez biscornu en suivant la forme des arbres qui l'environnent.

Un bâtiment ne s'appelle pas "bâtiment" - s'il vous plaît supprimez name=batiment des building=yes
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60608573

Une maison ne s'appelle pas "maison" - s'il vous plaît supprimez name=maison des building=yes
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60608262

S'il te plaît... Les voitures ne sont pas building=yes !

C'mon man - cars are not buildings...

Hello, I noticed that you are currently using Bing imagery for Bamako... Please consider using ESRI World imagery as it is more recent.
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60301108

Hello, I noticed that you are currently using Bing imagery for Bamako... Please consider using ESRI World imagery as it is more recent.
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60301127

Hello, I noticed that you are currently using Bing imagery for Bamako... Please consider using ESRI World imagery as it is more recent.
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60301779

Hello, I noticed that you are currently using Bing imagery for Bamako... Please consider using ESRI World imagery as it is more recent.
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60301923

Hello, I noticed that you are currently using Bing imagery for Bamako... Please consider using ESRI World imagery as it is more recent.
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60302324

Hello, I noticed that you are currently using Bing imagery for Bamako... Please consider using ESRI World imagery as it is more recent.
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Published using OSMCha: https://osmcha.mapbox.com/changesets/60304079

way/591025992

way/591025992 is a car, not a building...

Look at ways such as way/537939837: you are even mapping cars as buildings !

To ensure peace of mind for Openstreetmap, we are going to check the compatibility of the license with the ODbL as interpretation of other clause may raise issues. I'll keep you posted.

At least one the people who helped Senegal deploy this geographic information publishing portal is a well known Openstreetmap contributors and you can bet that he had a hand in the licensing. The paragraphs of interest to us is: "le Sénégal octroie au Détenteur de licence une licence non exclusive, sans frais ni redevances exigibles, et le droit d’utiliser, incorporer, modifier, améliorer, développer et distribuer les Données" - which translate as "Senegal grants to the licensee a non-exclusive, free of cost license and the right to use, incorporate, modify, enhance, develop and distribute the data"... Fits our purposes perfectly. Apart from that, yes, I should follow the import guidelines.

I have discussed it in private with a few persons interested in Senegal's Openstreetmap data - the most active of which are not located in Senegal (getting any sort of feedback is a challenge - especially online, even though I have met contributors personally in Dakar) - responses have been positive. Severin Menard, whom I met recently, has convinced me to document the process (especially the attributes mapping, which are sometimes not simple one to one) and publish it - that is one of my goals for 2018 and I shall do it when I resume this work (of which about two thirds remain to be done - down along the Senegal river) at an undefined later date. An awful lot of manual work goes into cherry-picking (some objects classes are worse than Openstreetmap so they are left alone - and that quality varies between regions), conflating and checking those data in JOSM - for example the waterways in the original source are not oriented and each of them has to verified manually (many thanks to the JOSM developers who responded to my needs - https://josm.openstreetmap.de/ticket/12646) so you can be assured that this is not about dumping raw data but actually smoothly integrating into Openstreetmap... Completely artisanal - the way it should be.

You're welcome. About JOSM's error checking, the error raised on the absence of name would be perfectly relevant in a European town... But of course Eastern Senegal is a little different...