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| Sentinel-2 Odata attributes | data type | to be removed | target STAC extension | STAC Counterpart | Description | Example STAC | Example Odata | |||||||||||||||||||||||||||||||||||
| mediaContentType | StringAttribute | X | X | X | application/octet-stream | |||||||||||||||||||||||||||||||||||||
| Id | StringAttribute | X | X | X | Odata internal id | X | 3e3b9d1a-18d5-43b8-83d8-564587ec3070 | |||||||||||||||||||||||||||||||||||
| Name | StringAttribute | id (core STAC attribute) | s2:product_uri | product name. STAC "id" is without .SAFE | S2A_MSIL2A_20240308T100841_N0510_R022_T33UVR_20240308T143352.SAFE | S2B_MSIL2A_20240419T001429_N0510_R116_T56NNG_20240419T013152.SAFE | ||||||||||||||||||||||||||||||||||||
| ContentType | StringAttribute | core STAC attribute | type | differs between Odata and STAC | image/jp2 | application/octet-stream | ||||||||||||||||||||||||||||||||||||
| ContentLength | IntegerAttribute | file | file:size | in bytes | 720970508 | 720970508 | ||||||||||||||||||||||||||||||||||||
| OriginDate | DateTimeOffsetAttribute | core STAC attribute | datetime | 2024-03-08T14:33:52.000000Z | 2024-04-19T02:13:20.000Z | |||||||||||||||||||||||||||||||||||||
| PublicationDate | DateTimeOffsetAttribute | core STAC attribute | published | 2024-03-08T14:33:52.000000Z | 2024-04-19T02:20:17.555Z | |||||||||||||||||||||||||||||||||||||
| ModificationDate | DateTimeOffsetAttribute | core STAC attribute | updated | 2024-03-08T14:33:52.000000Z | 2024-04-19T02:21:14.300Z | |||||||||||||||||||||||||||||||||||||
| Checksum | Checksum | file | file:checksum | Blake3/MD5 in Odata vs Multihash in STAC | ||||||||||||||||||||||||||||||||||||||
| ContentDate.Start | DateTimeOffsetAttribute | core STAC attribute | start_datetime | the same as end_datetime | 2024-03-08T10:08:41.024Z | 2024-04-19T00:14:29.024Z | ||||||||||||||||||||||||||||||||||||
| ContentDate.End | DateTimeOffsetAttribute | core STAC attribute | end_datetime | the same as start_datetime | 2024-03-08T10:08:41.024Z | 2024-04-19T00:14:29.024Z | ||||||||||||||||||||||||||||||||||||
| Footprint | X | X | ||||||||||||||||||||||||||||||||||||||||
| GeoFootprint | core STAC attribute | geometry | "geometry":{"type":"Polygon","coordinates":[[[13.588086,50.543732],[15.13777,50.552211],[15.134971,49.564676],[13.616763,49.556488],[13.588086,50.543732]]]} | "GeoFootprint":{"type":"Polygon","coordinates":[[[153.9866661847601,0.945453049017732],[153.9866661847601,0.945453049017732]]]} | ||||||||||||||||||||||||||||||||||||||
| origin | StringAttribute | processing | processing:facility | ESA | ||||||||||||||||||||||||||||||||||||||
| tileId | StringAttribute | mgrs | mgrs:utm_zone mgrs:grid_square mgrs:latitude_band | mgrs extention requires 3 fields where Odata just one | 33 | 56NNG | ||||||||||||||||||||||||||||||||||||
| cloudCover | DoubleAttribute | eo | eo:cloud_cover | 15.0 | 14.583966 | |||||||||||||||||||||||||||||||||||||
| datastripId | StringAttribute | eof:s2_datastrip_id | s2:datastrip_id | S2A_OPER_MSI_L2A_DS_2APS_20240308T143352_S20240308T101546_N05.10 | S2B_OPER_MSI_L2A_DS_2BPS_20240419T013152_S20240419T001424_N05.10 | |||||||||||||||||||||||||||||||||||||
| orbitNumber | IntegerAttribute | sat | sat:absolute_orbit | 45493 | 37179 | |||||||||||||||||||||||||||||||||||||
| sourceProduct | StringAttribute | X | not needed as it is part of the tracebility and is redundant | S2B_OPER_MSI_L2A_TL_2BPS_20240419T013152_A037179_T56NNG_N05.10 S2B_OPER_MSI_L2A_DS_2BPS_20240419T013152_S20240419T001424_N05.10 | ||||||||||||||||||||||||||||||||||||||
| processingDate | DateTimeOffsetAttribute | core STAC attribute | created | s2:generation_timecreated? | 2024-03-08T15:36:50.000Z | 2024-04-19T01:31:52+00:00 | ||||||||||||||||||||||||||||||||||||
| productGroupId | StringAttribute | eof:s2_datatake_id | s2:datatake_id | GS2A_20240308T100841_045493_N05.10 | GS2B_20240419T001429_037179_N05.10 | |||||||||||||||||||||||||||||||||||||
| operationalMode | StringAttribute | X | eof:s2_datatake_type | s2:datatake_type | INS-NOBS | INS-NOBS | ||||||||||||||||||||||||||||||||||||
| processingLevel | StringAttribute | processing | processing:level | L2A | S2MSI2A | |||||||||||||||||||||||||||||||||||||
| processorVersion | StringAttribute | processing:version (PR) | s2:processing_baseline | 05.10 | 5.1 | |||||||||||||||||||||||||||||||||||||
| granuleIdentifier | StringAttribute | eof:s2_tile_id | s2:tile_id | S2A_OPER_MSI_L2A_TL_2APS_20240308T143352_A045493_T33UVR_N05.10 | S2B_OPER_MSI_L2A_TL_2BPS_20240419T013152_A037179_T56NNG_N05.10 | |||||||||||||||||||||||||||||||||||||
| platformShortName | StringAttribute | core STAC attribute | constellation | sentinel-2 | SENTINEL-2 | |||||||||||||||||||||||||||||||||||||
| instrumentShortName | StringAttribute | core STAC attribute | instruments | MSI | MSI | |||||||||||||||||||||||||||||||||||||
| relativeOrbitNumber | IntegerAttribute | sat | sat:relative_orbit | 22 | 116 | |||||||||||||||||||||||||||||||||||||
| sourceProductOriginDate | StringAttribute | X | X | 2024-04-19T02:13:20Z 2024-04-19T01:32:14Z | ||||||||||||||||||||||||||||||||||||||
| platformSerialIdentifier | StringAttribute | core STAC attribute | platform | sentinel-2a | B | |||||||||||||||||||||||||||||||||||||
| productType | StringAttribute | to be moved to core STAC | s2:product_type | S2MSI2A | S2MSI2A | |||||||||||||||||||||||||||||||||||||
| beginningDateTime | DateTimeOffsetAttribute | core STAC attribute | start_datetime | 2024-03-08T14:33:52.000000Z | 2024-04-19T00:14:29.024Z | |||||||||||||||||||||||||||||||||||||
| endingDateTime | DateTimeOffsetAttribute | core STAC attribute | end_datetime | 2024-03-08T14:33:52.000000Z | 2024-04-19T00:14:29.024Z | |||||||||||||||||||||||||||||||||||||
| Sentinel-2 STAC extension attributes | data type | to be removed | target extension | PR | Description | Example | ||||||||||||||||||||||||||||||||||||
| s2:tilereflectance_conversion_idfactor | string | Tile Identifier | number | Reflectance Conversion Factor | 1.01707999697991S2A_OPER_MSI_L2A_TL_2APS_20240308T143352_A045493_T33UVR_N05.10 | |||||||||||||||||||||||||||||||||||||
| s2:datatakewater_id | string | Datatake Identifier | GS2A_20240308T100841_045493_N05.10 | s2:product_uri | string | Product URI | S2A_MSIL2A_20240308T100841_N0510_R022_T33UVR_20240308T143352.SAFE | s2:datastrip_id | string | Datastrip Identifier | S2A_OPER_MSI_L2A_DS_2APS_20240308T143352_S20240308T101546_N05.10 | s2:product_type | string | Product Type | S2MSI2A | s2:datatake_type | string | Datatake Type | INS-NOBS | s2:generation_time | datetime | Generation Time | 2024-03-08T14:33:52.000000Z | s2:processing_baseline | string | https://github.com/stac-extensions/processing/pull/32 | Processing Baseline | 05.10 | percentage | number | Water Percentage | 10 | ||||||||||
| s2:snow_ice_percentage | number | Snow and Ice Percentage | 10 | |||||||||||||||||||||||||||||||||||||||
| s2:vegetation_percentage | number | Vegetation Percentage | 10 | |||||||||||||||||||||||||||||||||||||||
| s2:thin_cirrus_percentage | number | Thin Cirrus | s2:reflectance_conversion_factor | number | Reflectance Conversion Factor | 1.01707999697991 | s2:water_percentage | number | Water Percentage | 10 | s2:snow_ice_percentage | number | Snow and Ice Percentage | 10 | s2:vegetation_percentage | number | Vegetation Percentage | 10 | s2:thin_cirrus_percentage | number | Thin Cirrus Percentage | 10 | s2:cloud_shadow_percentage | number | Cloud Shadow Percentage | 10 | s2:nodata_pixel_percentage | number | No Data Pixel Percentage | 1e-05 | s2:unclassified_percentage | number | Unclassified Percentage | 0 | s2:dark_features_percentage | number | Dark Features Percentage | 10 | ||||
| s2:notcloud_vegetatedshadow_percentage | number | Not Vegetated Cloud Shadow Percentage | 10 | |||||||||||||||||||||||||||||||||||||||
| s2:degradednodata_msi_datapixel_percentage | number | Degraded MSI No Data Pixel Percentage | 0.02061e-05 | |||||||||||||||||||||||||||||||||||||||
| s2:high_probaunclassified_clouds_percentage | number | High Probability Clouds Unclassified Percentage | 100 | |||||||||||||||||||||||||||||||||||||||
| s2:mediumdark_proba_cloudsfeatures_percentage | number | Medium Probability Clouds Dark Features Percentage | 10 | |||||||||||||||||||||||||||||||||||||||
| s2:saturatednot_defective_pixelvegetated_percentage | number | Saturated Defective Pixel Not Vegetated Percentage | 010 | |||||||||||||||||||||||||||||||||||||||
| s2: | tile_idstring | externalIds? MGRS: tile_id ? | s2:product_uri | string | as a normal STAC Link | s2:datastrip_id | string | externalIds? | s2:datatake_type | string | s2:processing_baseline | degraded_msi_data_percentage | number | Degraded MSI Data Percentage | 0.0206 | |||||||||||||||||||||||||||
| s2:high_proba_clouds_percentage | number | High Probability Clouds Percentage | 10 | |||||||||||||||||||||||||||||||||||||||
| s2:medium_proba_clouds_percentage | number | Medium Probability Clouds Percentage | 10 | |||||||||||||||||||||||||||||||||||||||
| s2:saturated_defective_pixel_percentage | number | Saturated Defective Pixel Percentage | 0 | string | processing:version (PR) | s2:reflectance_conversion_factor | number | s2:degraded_msi_data_percentage | number
STAC Sentinel extensions
A priority should be to update the STAC Sentinel extensions to be less extensive at least. The plan is to find spaces in the general STAC community for these fields.
As a first step, we need to identify which fields are actually relevant to the general public.
...