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Accessing COG’s with cloud workflows enables diverse software to all access a single file online instead of needing to copy and cache the data.  This allows users who are interested in a subset of data by geographic or time limits to not have to download and store all the data.  

Legacy Compatibility

Traditional GIS software is able to treat Cloud Optimized GeoTIFF’s just like normal GeoTIFF’s, so data providers need only produce one format.   


Weakness

Cloud Optimized GeoTIFF does not scale indefinitely. It is useful for small to medium-sized rasters, larger national sized rasters would not be well suited to storage in a COG.

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