This describes the mapping from OGC 17-003r2 to STAC Items. Thanks to Yves Coene for putting this together, this document just ports his original work for more visibility.
Note there is also a mapping from this standard to the general OGC Open Search EO GeoJSON Response.
| STAC Property | OGC 17-003r2 Property | |
|---|---|---|
| Item Fields | ||
| id | $.properties.identifier | |
| collection | $.properties.parentIdentifier | |
| Common Metadata | ||
| title | string | $.properties.title |
| description | string | $.properties.abstract (See OGC 17-084r1) |
| created | string | $.properties.creationDate |
| assets.*.created (role="data") | string | $..productInformation.processingDate |
| updated | string | $.properties.updated (metadata) |
| links | [Link Object] | $.properties.links |
| assets.*.updated | string | $.properties.availabilityTime (data) |
| assets.* (role="data") | Asset Object | $.properties.links.data |
| assets.* (role="thumbnail") | Asset Object | $.properties.links.previews |
| assets.* (role="metadata") | Asset Object | $.properties.links.alternates |
| datetime | string | null | $.properties.date |
| start_datetime | string | $..acquisitionInformation[*].acquisitionParameters.beginningDateTime |
| end_datetime | string | $..acquisitionInformation[*].acquisitionParameters.endingDateTime |
| providers | [Provider Object] | See OGC 17-084r1 |
| license | string | See OGC 17-084r1 |
| platform | string |
|
| instruments | [string] | $..acquisitionInformation[*].instrument.instrumentShortName |
| constellation | string | $..acquisitionInformation[*].platform.platformShortName |
| mission | string | |
| gsd | number | |
| EO Extension | ||
| eo:cloud_cover | number | $.properties.productInformation.cloudCover |
| eo:snow_cover | number | $.properties.productInformation.snowCover |
| eo:bands | [Band Object] | |
| SAR Extension | ||
| sar:instrument_mode (M) | string | $..acquisitionParameters.operationalMode |
| sar:polarizations (M) | [string] | $..acquisitionParameters.polarisationChannels |
| sar:product_type (M) | string | $.properties.productInformation.productType |
| sar:observation_direction | string | $..acquisitionParameters.antennaLookDirection |
| SAT Extension | ||
| sat:orbit_state | string | $.properties.acquisitionInformation[*].acquisitionParameters.orbitDirection |
| sat:absolute_orbit | integer | $.properties.acquisitionInformation[*].acquisitionParameters.orbitNumber |
| sat:anx_datetime | string | $.properties.acquisitionInformation[*].acquisitionParameters.ascendingNodeDate |
| sat:relative_orbit | integer | $..acquisitionParameters.relativeOrbitNumber |
| Scientific Extension | ||
| sci:doi | string | $.properties.doi |
| sci:citation | string | $.properties.bibliographicCitation (OGC 17-084r1) |
| Version Extension | ||
| version | string | $properties.productInformation.version |
| View Extension | ||
| view:off_nadir | number | $..acquisitionAngles.instrumentElevationAngle |
| view:incidence_angle | number | $..acquisitionAngles.incidenceAngle |
| view:azimuth | number | $..acquisitionAngles.instrumentAzimuthAngle |
| view:sun_azimuth | number | $..acquisitionAngles.illuminationAzimuthAngle |
| view:sun_elevation | number | $..acquisitionAngles.illuminationElevationAngle |
| Projection Extension | ||
| proj:epsg (M) | integer | $.properties.productInformation.referenceSystemIdentifier |
| Timestamps Extension | ||
| published | string | $.properties.published |
| expires | string | $.properties.available |
| Landsat Extension | ||
| landsat:wrs_path | string | $..acquisitionParameters.wrsLongitudeGrid |
| landsat:wrs_row | string | $..acquisitionParameters.wrsLatitudeGrid |
| landsat:scene_id | string | |
| Processing Extension | ||
| processing:level | string | $..productInformation.processingLevel |
| processing:facility | string | $..productInformation.processingCenter |
| processing:software | Map<string, string> | $..productInformation.processorName |
| processing:software | Map<string, string> | $..productInformation.processorVersion |
| Hyperspectral Extension | ||
| hsi:wavelength_min | [number] | $..wavelengths[*].startWavelength |
| hsi:wavelength_max | [number] | $..wavelengths[*].endWavelength |
| TBD Offering Extension | ||
| $.assets.*.roles | [string (uri)] | $..offerings[*].code. |
| $..offerings[*].operations[*].code | ||
| $.assets.*.method | string | $..offerings[*].operations[*].method |
| $.assets.*.type | string | $..offerings[*].operations[*].type |
| $.assets.*.href | string (uri) | $..offerings[*].operations[*].href |