STAC Extensions

Overview of STAC Extensions, with advice on creating new extensions

Provide consumers with the information required to view an asset properly (e.g. on a online map)

Indicates from which processing chain data originates and how the data itself has been produced.

Fields about instruments

Describes gridded data products, especially the grid code.

STAC Machine Learning Model (MLM) extension to describe ML models, their training details, and inference runtime requirements.

Covers electro-optical data that represents a snapshot of the Earth. It could consist of cloud cover and multiple spectral bands, for example visible bands, infrared bands, red edge bands and panchromatic bands.

View Geometry adds metadata related to angles of sensors and other radiance angles that affect the view of resulting data.

Specifies file-related details such as size, data type and checksum for assets and links in STAC.

Metadata that indicate from which publication data originates and how the data itself should be cited or referenced.