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<p>Building pyramids gobbles up heaps of disk space. I tried
pyramids on 157 MB layer, which created an extra file 1.6 GiB.</p>
<p>I can't see the WMTS building lots of temporary file pyramids
using up disk<br>
</p>
<div class="moz-cite-prefix">On 18/11/19 10:50 PM, Alexandre Neto
wrote:<br>
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<blockquote type="cite"
cite="mid:CA+H0G_GAKOEnYvMJYzr0R_Qz1N_UuEZSqht7CSNnZoct=91Z3g@mail.gmail.com">
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<div dir="auto">Hi Patrick,
<div dir="auto"><br>
</div>
<div dir="auto">Sorry for asking, did you create pyramids
(overlays) for your raster "tiles"?</div>
<div dir="auto"><br>
</div>
<div dir="auto">See more information about pyramids on QGIS
official documentation:</div>
<div dir="auto"><br>
</div>
<div dir="auto"><a
href="https://docs.qgis.org/3.4/en/docs/user_manual/working_with_raster/raster_properties.html#pyramids-properties"
moz-do-not-send="true">https://docs.qgis.org/3.4/en/docs/user_manual/working_with_raster/raster_properties.html#pyramids-properties</a><br>
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<div dir="auto"><br>
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<div dir="auto">To create pyramids on many files, it's probably
better to use GDAL directly to process all files in a folder:</div>
<div dir="auto"><br>
</div>
<div dir="auto"><a
href="https://gdal.org/programs/gdaladdo.html"
moz-do-not-send="true">https://gdal.org/programs/gdaladdo.html</a><br>
</div>
<div dir="auto"><br>
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<div dir="auto">My feeling is that the WMS service is doing that
for you, and that's the reason why it works well with a
service.</div>
<div dir="auto"><br>
</div>
<div dir="auto">Alexandre Neto</div>
<div dir="auto">QGIS Support</div>
<div dir="auto"><a href="http://www.qcooperative.net"
moz-do-not-send="true">www.qcooperative.net</a></div>
</div>
<br>
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