William,
can you add "--debug on" and retry to see if more hints are emitted
about what's going on.
Even
Le 15/08/2022 à 11:45, William Roper a écrit :
Hi list,
I'm trying to convert a GeoTiff on s3 into a COG, that will also live
on s3. I'm working on EC2 instances, or fargate containers, because
local download and upload speeds are a bit slow.
gdalwarp \
--config AWS_SECRET_ACCESS_KEY <my-secret-key> \
--config AWS_ACCESS_KEY_ID <my-access-key> \
--config CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE YES \
--config CPL_TMPDIR /tmp \
-of COG
-co TILING_SCHEME=GoogleMapsCompatible
-co COMPRESS=DEFLATE
-co NUM_THREADS=ALL_CPUS
/vsis3/my-bucket/original-old-geotif.tif
/vsis3/my-bucket/shiny-new-cog.tif
And get the following error:
0...10...20...30...ERROR 1: Only read-only mode is supported for /vsicurl
I get the same issue running in a docker container (osgeo/gdal:latest)
or on an ubuntu EC2 instance with gdal-bin installed with apt
(version 3.4.1).
I can work around it by writing the COG to the machine, and then
uploading to s3, but was wondered what I was doing wrong/not
understanding.
Many thanks
Will
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