fietenoer opened a new pull request, #2195:
URL: https://github.com/apache/systemds/pull/2195

   ### Summary
   Add support for reading COGs (Cloud-optimized GeoTIFFs). It enables both 
sequential and parallel reading.
   
   ### Details
   This PR adds the `cog` format to the `read` function in DML. In general, any 
tiled TIFFs with no compression or *Deflate* compression can be read. The 
implementation is tested with a number of different combinations for number of 
tiles, bands, data types etc.
   
   All functionality is implemented directly in Java without additional 
dependencies. A small section in the DML language reference now mentions the 
COG format.


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