{"stac_version": "1.0.0", "stac_extensions": ["https://stac-extensions.github.io/view/v1.0.0/schema.json", "https://stac-extensions.github.io/processing/v1.2.0/schema.json"], "id": "44787", "type": "Feature", "title": "Calibration data from heliostat AG52 for image 44787", "description": "Raw and processed calibration image of focused sunlight on the calibration target from heliostat AG52 for image 44787 with associated calibration properties", "collection": "AG52-calibration-collection", "geometry": {"type": "Polygon", "coordinates": [[50.913391839040266, 6.38788603808917, 119.268], [50.91339186595943, 6.387886052532388, 126.47], [50.91339215692524, 6.387763472205384, 126.506], [50.9133923375531, 6.387763217765237, 119.279], [50.913391839040266, 6.38788603808917, 119.268]]}, "bbox": [50.913391839040266, 6.387763217765237, 119.268, 50.9133923375531, 6.387886052532388, 126.506], "properties": {"datetime": "2021-09-16T13:05:29Z", "instruments": ["HeliOS.FDM"], "view:sun_azimuth": -30.880736427142246, "view:sun_elevation": 37.467214209754054}, "links": [{"rel": "self", "href": "https://paint-database.org/WRI1030197/AG52/Calibration/44787-calibration-item-stac.json", "type": "application/geo+json", "title": "Reference to this STAC file"}, {"rel": "root", "href": "https://paint-database.org/WRI1030197/WRI1030197-catalog-stac.json", "type": "application/geo+json", "title": "Reference to the entire catalogue for WRI1030197"}, {"rel": "parent", "href": "https://paint-database.org/WRI1030197/AG52/Calibration/AG52-calibration-collection-stac.json", "type": "application/geo+json", "title": "Reference to the collection STAC file"}, {"rel": "collection", "href": "https://paint-database.org/WRI1030197/AG52/Calibration/AG52-calibration-collection-stac.json", "type": "application/geo+json", "title": "Reference to the collection STAC file"}], "assets": {"raw_image": {"href": "https://paint-database.org/WRI1030197/AG52/Calibration/44787-raw.png", "roles": ["data"], "type": "image/png", "title": "Raw calibration image with id 44787", "created": "2021-09-16T13:05:29Z", "updated": "2022-04-26T15:00:52Z"}, "calibration_properties": {"href": "https://paint-database.org/WRI1030197/AG52/Calibration/44787-calibration-properties.json", "roles": ["metadata"], "type": "application/geo+json", "title": "Calibration properties for the calibration image id 44787", "created": "2021-09-16T13:05:29Z", "updated": "2022-04-26T15:00:52Z", "processing:lineage": "Focal spot extraction", "processing:software": "HeliOS, UTIS (https://github.com/DLR-SF/UTIS-HeliostatBeamCharacterization)"}, "cropped_image": {"href": "https://paint-database.org/WRI1030197/AG52/Calibration/44787-cropped.png", "roles": ["data"], "type": "image/png", "title": "Cropped calibration image with id 44787", "processing:lineage": "Target cropping through template matching", "processing:software": "PAINT target cropper (https://github.com/ARTIST-Association/PAINT)"}, "flux_image": {"href": "https://paint-database.org/WRI1030197/AG52/Calibration/44787-flux.png", "roles": ["data"], "type": "image/png", "title": "Cropped and segmented calibration image with id 44787", "processing:lineage": "Target cropping through template matching and segmentation", "processing:software": "PAINT target cropper (https://github.com/ARTIST-Association/PAINT), UTIS (https://github.com/DLR-SF/UTIS-HeliostatBeamCharacterization)"}, "flux_centered_image": {"href": "https://paint-database.org/WRI1030197/AG52/Calibration/44787-flux-centered.png", "roles": ["data"], "type": "image/png", "title": "Cropped, segmented, and centered calibration image with id 44787", "processing:lineage": "Target cropping through template matching, segmentation, and centering", "processing:software": "PAINT target cropper (https://github.com/ARTIST-Association/PAINT), UTIS (https://github.com/DLR-SF/UTIS-HeliostatBeamCharacterization)"}}}