[COG] Cloud-ready GeoTiff Basic Functionality

Brian M Hamlin maplabs at light42.com
Sat May 19 12:05:23 PDT 2018


Great topic - ready for good discussion here --
 
 For an HTTP-visible GeoTIFF today, is this roughly the idea ?
 
* prepare the GeoTIFF with embedded overviews, for example
  gdaladdo file0.tif  ....  2 4 8 16
 
* process the GeoTIFF to tiled
  gdal_translate -lco TILED=YES -lco COPY_SRC_OVERVIEWS=YES 
-lco COMPRESS=whichever src dst
 
Reliable HTTP client CURL to test byte-range access
 
  curl -v -X GET -H "range: bytes=-11" <file_URL>
 
more?
 
  best regards from Berkeley, California
   --Brian
  



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