STAC extensions

Learn about UP42-specific 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

ParameterOverview
up42-system:sourcestring
The source of data. The allowed values:
  • ARCHIVE
  • TASKING
  • PROCESSING
  • PLATFORM
  • USER
up42-system:account_idstring
The account ID.
up42-system:asset_idstring
The UP42 asset ID.
up42-system:workspace_idstring
The user workspace ID.
up42-system:metadata_versionstring
The metadata version.
up42-system:job_idstring
The ID of the processing job that has generated this STAC object.

UP42 product extension

ParameterOverview
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

ParameterOverview
up42-user:titlestring
A custom title added to the corresponding UP42 asset in storage.
up42-user:tagsstring
Tags added to the corresponding UP42 asset in storage.

UP42 order extension

ParameterOverview
up42-order:idstring
The order ID.
up42-order:statusstring
The status of the order. The allowed value is FULFILLED.
up42-order:host_idstring
The provider order ID.

Earth Search extension

ParameterDescription
earthsearch:boa_offset_appliedboolean
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-2 extension

ParameterDescription
s2:sequencestring
The version number of the data. Values other than 0 mean that this is either a processed version of the STAC item or another image taken for that tile on a given date.
s2:processing_baselinestring
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.