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<p class="MsoNormal">Hi Pierre, </p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Yes, LINZ updates their topographic data every few years. The next refresh for the Ross Dependency is coming in 2022 or 2023. All the LINZ imports add a tag called ref:linz:****_id to every features, so that we can easily add/move/edit/delete
the OSM data when new government data is released. This system works efficiently, we already use it fortnightly for street addresses.
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best regards,</p>
<p class="MsoNormal">Kyle</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="border:none;padding:0cm"><b>From: </b><a href="mailto:pierzenh@yahoo.fr">Pierre Béland</a><br>
<b>Sent: </b>Sunday, 24 October 2021 14:01<br>
<b>To: </b><a href="mailto:imports@openstreetmap.org">imports@openstreetmap.org</a>;
<a href="mailto:K.y.l.e@outlook.co.nz">Kyle Hensel</a><br>
<b>Subject: </b>Re: [Imports] Hydrographic data import from LINZ</p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif">Hi Kyle,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif">Do you have a plan to retrace the crevasses as they move over time ?<o:p></o:p></span></p>
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<p class="MsoNormal"><b><i><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#0000BF"> <br>
</span></i></b><b><i><span style="font-size:12.0pt;font-family:"Garamond",serif;color:#0000BF">Pierre
</span></i></b><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Le samedi 23 octobre 2021, 20 h 53 min 12 s UTC−4, Kyle Hensel <k.y.l.e@outlook.co.nz> a écrit :
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><o:p> </o:p></span></p>
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<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Hi, I’m not sure what you mean by ‘geometrically incompatible features’<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">As we discussed in that changeset, I can’t see this ‘damage to the database’ that you’re talking about.<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">The link you referred to is a bit confusing beacuse it shows every node/way/relation in OSM, rendered in the same colour.
<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><a href="https://overpass-turbo.eu/s/1cjT" target="_blank">https://overpass-turbo.eu/s/1cjT</a> is a view of the same area, with streams
and crevasses coloured differently. <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">From this map you can see that the waterways are logically mapped, as are crevasses.<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">The red lines may look ‘messy’, but this is because there are many crevasses within the Canada Glacier.
<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">If you’re unfamiliar with this type of terrain, see
<a href="https://wiki.osm.org/File:Parque_estatal_Chugach,_Alaska,_Estados_Unidos,_2017-08-22,_DD_94.jpg" target="_blank">
https://wiki.osm.org/File:Parque_estatal_Chugach,_Alaska,_Estados_Unidos,_2017-08-22,_DD_94.jpg</a><o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Hope this clarifies the situation<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Best regards,<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">Kyle<o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
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<p class="ydpfc8d0869yiv1998851460msonormal"><b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">From:
</span></b><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"><a href="mailto:osm@imagico.de" target="_blank">Christoph Hormann</a><br>
<b>Sent: </b>Saturday, 23 October 2021 23:47<br>
<b>To: </b><a href="mailto:imports@openstreetmap.org" target="_blank">imports@openstreetmap.org</a><br>
<b>Subject: </b>Re: [Imports] Hydrographic data import from LINZ<o:p></o:p></span></p>
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<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">On Saturday 23 October 2021, Kyle Hensel wrote:<br>
> Hello,<br>
><br>
> In New Zealand we are planning to expand the import of data from Land<br>
> Infomation New Zealand (LINZ).<br>
<br>
I like to point out that this import proposal is part of a series of <br>
imports that has proven to be problematic in results as previously <br>
pointed out (non-successfully) to the importer:<br>
<br>
<a href="https://www.openstreetmap.org/changeset/111427028" target="_blank">https://www.openstreetmap.org/changeset/111427028</a><br>
<br>
In particular<br>
<br>
> We will use the same system as the topographic data import and<br>
> address import, so every single feature will be reviewed using a<br>
> modified version of the RapiD editor.<br>
<br>
has been proven to be incorrect as evidenced by the speed of the <br>
imports:<br>
<br>
<a href="https://www.openstreetmap.org/user/kylenz_linz/history" target="_blank">https://www.openstreetmap.org/user/kylenz_linz/history</a><br>
<br>
and the resulting damage to the database, littering it with <br>
geometrically incompatible features, like for example visible here:<br>
<br>
<a href="https://www.openstreetmap.org/#map=13/-77.6183/162.8670&layers=D" target="_blank">https://www.openstreetmap.org/#map=13/-77.6183/162.8670&layers=D</a><br>
<br>
-- <br>
Christoph Hormann<br>
<a href="https://www.imagico.de/" target="_blank">https://www.imagico.de/</a><br>
<br>
_______________________________________________<br>
Imports mailing list<br>
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<a href="https://lists.openstreetmap.org/listinfo/imports" target="_blank">https://lists.openstreetmap.org/listinfo/imports</a><o:p></o:p></span></p>
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<p class="ydpfc8d0869yiv1998851460msonormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282A">_______________________________________________<br>
Imports mailing list<br>
<a href="mailto:Imports@openstreetmap.org" target="_blank">Imports@openstreetmap.org</a><br>
<a href="https://lists.openstreetmap.org/listinfo/imports" target="_blank">https://lists.openstreetmap.org/listinfo/imports</a><o:p></o:p></span></p>
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