Cloud Optimized GeoTIFF support for ALUs

cgi-estonia-space / ALUs

GPU accelerated earth observation data processors

https://twitter.com/spacest372

GNU General Public License v3.0

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Cloud Optimized GeoTIFF support for ALUs #16

Closed kautlenbachs closed 1 year ago

kautlenbachs commented 1 year ago

Currently only for coherence
https://gdal.org/drivers/raster/cog.html
Add checks that if COG is available, such a format is used instead of default GeoTIFF

Format after processing using GDAL

kautlenbachs commented 1 year ago

COG driver does not support CREATE, rather an update or transformation. Hence a separate step needs to be added. https://saxenasanket.medium.com/cog-overview-and-how-to-create-and-validate-a-cloud-optimised-geotiff-b39e671ff013

gdaladdo -r average in.tif 2 4 8 16
gdal_translate in.tiff out.tiff -co COMPRESS=LZW -co TILED=YES -co COPY_SRC_OVERVIEWS=YES
python validate_cloud_optimized_geotiff.py out.tif