<div dir="ltr"><div>Hi all,</div><div><br></div><div>I received a response from the user in my e-mail inbox. The e-mail translated from French:</div><div><br></div><div>---</div>Hello<br>- I got these data during a project in Tana. I don't really know where they come from. I reworked them on QGIS and JOSM.<br>- The housenumber corresponds to the number in the batch<br>Sincerely<br><div>Yves</div><div>---</div><div><br></div><div>So this means it is really an undiscussed import and the importer is not sure about the source.</div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><font color="#999999">--</font><table style="line-height:1.4;font-size:10.4px" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td><span style="font-stretch:normal;font-size:1.2em;line-height:normal;font-family:Arial,Helvetica,sans-serif"><font color="#999999">Dolly Andriatsiferana</font></span></td></tr></tbody></table></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le mar. 28 févr. 2023 à 14:09, Frederik Ramm <<a href="mailto:frederik@remote.org">frederik@remote.org</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
I have placed a temporary block on the user account to make them aware <br>
of the issues: <a href="https://www.openstreetmap.org/user_blocks/6904" rel="noreferrer" target="_blank">https://www.openstreetmap.org/user_blocks/6904</a><br>
<br>
Bye<br>
Frederik<br>
<br>
<br>
On 28.02.23 11:32, Dolly Andriatsiferana wrote:<br>
> Hello list,<br>
> <br>
> I am possibly wrong, but there is likely an undiscussed import of <br>
> buildings happening in Antananarivo, Madagascar. Please see this <br>
> changeset that I commented and all previous and following changesets by <br>
> the same user: <a href="https://www.openstreetmap.org/changeset/133061376" rel="noreferrer" target="_blank">https://www.openstreetmap.org/changeset/133061376</a> <br>
> <<a href="https://www.openstreetmap.org/changeset/133061376" rel="noreferrer" target="_blank">https://www.openstreetmap.org/changeset/133061376</a>><br>
> <br>
> What makes me think those buildings are from a certain source:<br>
> <br>
> - They don't align with any of the imageries available on OSM editors, <br>
> so they were likely drawn from some third party imagery (although the <br>
> source tag of the changesets says Bing).<br>
> <br>
> - The attribute table is consistent and all added buildings have the <br>
> same keys addr:suburb, addr:secteur, addr:lot, addr:housenumber, and <br>
> addr:city<br>
> <br>
> - The values of addr:lot=* are not valid house addresses like we use <br>
> here (As per the comment on <br>
> <a href="https://www.openstreetmap.org/changeset/132331988" rel="noreferrer" target="_blank">https://www.openstreetmap.org/changeset/132331988</a> <br>
> <<a href="https://www.openstreetmap.org/changeset/132331988" rel="noreferrer" target="_blank">https://www.openstreetmap.org/changeset/132331988</a>> it looks like it was <br>
> initially added to OSM as addr:ilot but then changed to addr:lot)<br>
> <br>
> - Every house has addr:housenumber=* which is very rarely used here <br>
> (only in downtowns where streets are named). We use a lot-based address <br>
> system and I am not sure what these numbers on each building are <br>
> supposed to represent (even gas station canopies are numbered).<br>
> <br>
> I put a comment on one of the changesets (first link) but haven't had a <br>
> response yet.<br>
> <br>
> I hope I am wrong and this is not an import at all. And if this is an <br>
> import and has been discussed here but I missed it, sorry too.<br>
> <br>
> Have a nice day!<br>
> <br>
> --<br>
> Dolly Andriatsiferana<br>
> <br>
> <br>
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<br>
-- <br>
Frederik Ramm ## eMail <a href="mailto:frederik@remote.org" target="_blank">frederik@remote.org</a> ## N49°00'09" E008°23'33"<br>
<br>
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</blockquote></div>