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<p>I figured it out. The files_removed.geojson file at
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/PROJ-data/blob/master/files_removed.geojson">https://github.com/OSGeo/PROJ-data/blob/master/files_removed.geojson</a>
lacked a "version_removed" property, which caused the final
files.geojson file used by projsync to also lack it. And without
the information of the version where a file has been removed,
projsync is conservative and tries to download it since it doesn't
know if it might be useful or not.<br>
</p>
<p>I've fixed it in
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/PROJ-data/commit/5e84d7936226f70442f1360077ffafbf1dea2f9a">https://github.com/OSGeo/PROJ-data/commit/5e84d7936226f70442f1360077ffafbf1dea2f9a</a>
, also adding consistency checks so we properly fill metadata when
removing a file</p>
<p>But the bottom line is that we can't just remove a file from the
CDN without breaking projsync of older PROJ versions. We might
remove it one day when we are reasonably confident that nobody
longer used a PROJ version that uses a PROJ.data that is lower
than the version where the file was removed. But that's more a 5+
years horizon to be on the safe side</p>
<div class="moz-cite-prefix">Le 25/04/2024 à 21:15, Even Rouault via
PROJ a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:4919b44f-71c3-4dcb-942f-0b8a02be65ab@spatialys.com">
<p>I thought I was going to regret it: it broke "projsync --all",
at least in the context of build GDAL master docker images (it
shouldn't in theory, but in practice it does, and I don't have
time to investigate that at the moment). So I've re-uploaded
the file to the CDN to the version it was at
<a class="moz-txt-link-freetext"
href="https://github.com/OSGeo/PROJ-data/blob/0531fe9dbc818beb156df75eb5b3a8cac0278ef0/nl_nsgi/nl_nsgi_naptrans2018.tif"
moz-do-not-send="true">https://github.com/OSGeo/PROJ-data/blob/0531fe9dbc818beb156df75eb5b3a8cac0278ef0/nl_nsgi/nl_nsgi_naptrans2018.tif</a><br>
</p>
<div class="moz-cite-prefix">Le 25/04/2024 à 17:14, Even Rouault
via PROJ a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:0513eb24-81e5-4d09-83c3-cb4feae7b255@spatialys.com">
<p>I've just removed it from the CDN<br>
</p>
<div class="moz-cite-prefix">Le 23/04/2024 à 14:37, Even Rouault
via PROJ a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:ab18ada2-17f3-462e-a6ac-09aef625bc8c@spatialys.com">
<p>We use to keep old grids on the CDN even when they are
removed in a later version of PROJ-data. That way people
things will still work for people that use an older PROJ
version</p>
<p>Are we completely sure that nobody no longer use
nl_nsgi_naptrans2018.tif ?<br>
</p>
<div class="moz-cite-prefix">Le 23/04/2024 à 13:18, Lesparre,
Jochem via PROJ a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:AM0P192MB04820B06EBAB7CD11706A49FEF112@AM0P192MB0482.EURP192.PROD.OUTLOOK.COM">
<meta name="Generator"
content="Microsoft Word 15 (filtered medium)">
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<p class="MsoNormal"><span lang="EN-GB">I noticed that CDN
still contains the from VDatum (gtx) to GeoTIFF (tif)
converted geoid grid <a
href="https://cdn.proj.org/nl_nsgi_naptrans2018.tif"
class="moz-txt-link-freetext" moz-do-not-send="true">https://cdn.proj.org/nl_nsgi_naptrans2018.tif</a>
for the Netherlands, although it isn’t listed in <a
href="https://cdn.proj.org/nl_nsgi_README.txt"
class="moz-txt-link-freetext" moz-do-not-send="true">https://cdn.proj.org/nl_nsgi_README.txt</a>
I thought I removed that grid from PROJ when I
corrected the metadata of the other GeoTIFF grids for
the Netherlands, but apparently I missed something. It
doesn’t make sense to distribute that grid as GeoTIFF,
because it is only usable for PROJ versions that did
not yet support GeoTIFF. </span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Can someone help
to get the GeoTIFF version removed completely?</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">Jochem</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
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