STAC extensions

Overview

STAC is extensible, being a network of JSON files that follow corresponding specifications. A STAC extension is a JSON schema with additional parameters available for a specific STAC collection or a STAC item. For more information, see STAC Extensions.

STAC extensions contain descriptions of parameters with {prefixes}:. UP42 has its own platform-specific extensions.

UP42 system extension

Parameter	Overview
`up42-system:source`	string The source of data. The allowed values: `ARCHIVE` `TASKING` `ANALYTICS` `PLATFORM` `USER`
`up42-system:account_id`	string The account ID.
`up42-system:asset_id`	string The UP42 asset ID.
`up42-system:workspace_id`	string The user workspace ID.
`up42-system:metadata_version`	string The metadata version.

UP42 product extension

Parameter	Overview
`up42-product:` `data_type`	string The type of data. The allowed valued: `raster` `vector` `pointcloud`
`up42-product:` `modality`	string The modality of data that depends on the data type. For example, multispectral or hyperspectral.
`up42-product:` `collection_name`	string The geospatial collection name.
`up42-product:` `product_id`	string The product ID.

UP42 user extension

Parameter	Overview
`up42-user:title`	string A custom title added to the corresponding UP42 asset in storage.
`up42-user:tags`	string Tags added to the corresponding UP42 asset in storage.

UP42 order extension

Parameter	Overview
`up42-order:id`	string The order ID.
`up42-order:status`	string The status of the order. The allowed value is `FULFILLED`.
`up42-order:host_id`	string The provider order ID.

Sentinel-2 extension

Parameter	Description
`sentinel:` `sequence`	string The version number of the data. Values other than `0` mean that this is either a processed version of the scene or another image taken for that tile on a given date.
`sentinel:` `utm_zone`	integer The UTM longitude zone.
`sentinel:` `product_id`	string The original product ID. For more information, see Sentinel-2 naming convention.
`sentinel:` `grid_square`	string A two-letter code indicating a particular 110×110 km region inside the UTM grid zone.
`sentinel:` `data_coverage`	integer The percentage of the scene covered by valid data pixels, that is, not NoData values.
`sentinel:` `latitude_band`	string A letter indicating the scene's latitude band. Beginning at 80°S and proceeding northward, the 20 bands are lettered C through X, omitting I and O. The bands are all 8° high except band X, which is 12° high.
`sentinel:valid_` `cloud_cover`	boolean Whether the `eo:cloud_cover` parameter is valid.
`sentinel:boa_` `offset_applied`	boolean Whether the –0.1 offset added by ESA after January 25, 2022 was applied to the cloud optimized GeoTIFF. For more information, see Sentinel news.
`sentinel:` `processing_` `baseline`	string The version of the Ground Image Processing Parameters used by ESA to process the raw Sentinel-2 data into Level-1C and Level-2A products. For more information see, Sentinel-2 processing baseline.