[Qgis-user] Cannot add cloud optimised GeoTIFF (COG) as raster layer

[Rahkonen Jukka (MML)]

Hi,

I have a DEM file http://latuviitta.kapsi.fi/data/dem10m/dem10.tif on my server. GDAL can access it fine through /vsicurl/ as can be verified with
gdalinfo /vsicurl/http://latuviitta.kapsi.fi/data/dem10m/dem10.tif

However, I cannot add this URI as a raster layer by using a protocol like in the tutorial https://www.cogeo.org/qgis-tutorial.html. The error message is:
CRITICAL    Invalid Layer : GDAL provider Cannot open GDAL dataset /vsicurl/http://latuviitta.kapsi.fi/data/dem10m/dem10.tif:
             Raster layer Provider is not valid (provider: gdal, URI: /vsicurl/http://latuviitta.kapsi.fi/data/dem10m/dem10.tif

I had the debugging tools open during my trials and it seems that QGIS did not send any HTTP request. I am behind a proxy but I can access WMS and WMTS services so my network settings seem to be right. The vrt file workaround did not work either. What should I try next?

I am using QGIS 3.18.1 from OSGeo4W.

-Jukka Rahkonen-

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