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ARLAS Item Registration Service Model

Project description

AIRS Model

This package contains the data model for sending requests to ARLAS Item Registration Services.

Item Schema

airs_model
Abstract Extensible Status Identifiable Custom Properties Additional Properties Access Restrictions Defined In
Can be instantiated No Unknown status No Forbidden Allowed none model.schema.json

Item Type

object (Item)

Item Properties

Property Type Required Nullable Defined by
collection Merged Optional cannot be null Item
catalog Merged Optional cannot be null Item
id Merged Optional cannot be null Item
geometry Merged Optional cannot be null Item
bbox Merged Optional cannot be null Item
centroid Merged Optional cannot be null Item
assets Merged Optional cannot be null Item
properties Merged Optional cannot be null Item
Additional Properties Any Optional can be null

collection

collection

collection Type

merged type (Name of the collection the item belongs to.)

any of

catalog

catalog

catalog Type

merged type (Name of the catalog the item belongs to.)

any of

id

id

id Type

merged type (Unique item identifier. Must be unique within the collection.)

any of

geometry

geometry

geometry Type

merged type (Defines the full footprint of the asset represented by this item, formatted according to `RFC 7946, section 3.1 (GeoJSON) <https://tools.ietf.org/html/rfc7946>`_)

any of

bbox

bbox

bbox Type

merged type (Bounding Box of the asset represented by this item using either 2D or 3D geometries. The length of the array must be 2*n where n is the number of dimensions. Could also be None in the case of a null geometry.)

any of

centroid

centroid

centroid Type

merged type (Coordinates (lon/lat) of the geometry's centroid.)

any of

assets

assets

assets Type

merged type (A dictionary mapping string keys to Asset objects. All Asset values in the dictionary will have their owner attribute set to the created Item.)

any of

properties

properties

properties Type

merged type (Item properties)

any of

Additional Properties

Additional properties are allowed and do not have to follow a specific schema

Item Definitions

Definitions group Asset

Reference this group by using

{"$ref":"airs_model#/$defs/Asset"}
Property Type Required Nullable Defined by
name Merged Optional cannot be null Item
size Merged Optional cannot be null Item
href Merged Optional cannot be null Item
asset_type Merged Optional cannot be null Item
asset_format Merged Optional cannot be null Item
storage__requester_pays Merged Optional cannot be null Item
storage__tier Merged Optional cannot be null Item
storage__platform Merged Optional cannot be null Item
storage__region Merged Optional cannot be null Item
airs__managed Merged Optional cannot be null Item
airs__object_store_bucket Merged Optional cannot be null Item
airs__object_store_key Merged Optional cannot be null Item
title Merged Optional cannot be null Item
description Merged Optional cannot be null Item
type Merged Optional cannot be null Item
roles Merged Optional cannot be null Item
extra_fields Merged Optional cannot be null Item
gsd Merged Optional cannot be null Item
eo__bands Merged Optional cannot be null Item
sar__instrument_mode Merged Optional cannot be null Item
sar__frequency_band Merged Optional cannot be null Item
sar__center_frequency Merged Optional cannot be null Item
sar__polarizations Merged Optional cannot be null Item
sar__product_type Merged Optional cannot be null Item
sar__resolution_range Merged Optional cannot be null Item
sar__resolution_azimuth Merged Optional cannot be null Item
sar__pixel_spacing_range Merged Optional cannot be null Item
sar__pixel_spacing_azimuth Merged Optional cannot be null Item
sar__looks_range Merged Optional cannot be null Item
sar__looks_azimuth Merged Optional cannot be null Item
sar__looks_equivalent_number Merged Optional cannot be null Item
sar__observation_direction Merged Optional cannot be null Item
proj__epsg Merged Optional cannot be null Item
proj__wkt2 Merged Optional cannot be null Item
proj__geometry Merged Optional cannot be null Item
proj__bbox Merged Optional cannot be null Item
proj__centroid Merged Optional cannot be null Item
proj__shape Merged Optional cannot be null Item
proj__transform Merged Optional cannot be null Item
Additional Properties Any Optional can be null

name

name

name Type

merged type (Asset's name. But be the same as the key in the `assets` dictionary.)

any of

size

size

size Type

merged type (Asset's size in Bytes.)

any of

href

href

href Type

merged type (Absolute link to the asset object.)

any of

asset_type

asset_type

asset_type Type

merged type (Type of data (ResourceType))

any of

asset_format

asset_format

asset_format Type

merged type (Data format (AssetFormat))

any of

storage__requester_pays

storage__requester_pays

storage__requester_pays Type

merged type (Is the data requester pays or is it data manager/cloud provider pays. Defaults to false. Whether the requester pays for accessing assets)

any of

storage__tier

storage__tier

storage__tier Type

merged type (Cloud Provider Storage Tiers (Standard, Glacier, etc.))

any of

storage__platform

storage__platform

storage__platform Type

merged type (PaaS solutions (ALIBABA, AWS, AZURE, GCP, IBM, ORACLE, OTHER))

any of

storage__region

storage__region

storage__region Type

merged type (The region where the data is stored. Relevant to speed of access and inter region egress costs (as defined by PaaS provider))

any of

airs__managed

airs__managed

airs__managed Type

merged type (Whether the asset is managed by AIRS or not.)

any of

airs__managed Default Value

The default value is:

true

airs__object_store_bucket

airs__object_store_bucket

airs__object_store_bucket Type

merged type (Object store bucket for the asset object.)

any of

airs__object_store_key

airs__object_store_key

airs__object_store_key Type

merged type (Object store key of the asset object.)

any of

title

title

title Type

merged type (Optional displayed title for clients and users.)

any of

description

description

description Type

merged type (A description of the Asset providing additional details, such as how it was processed or created. CommonMark 0.29 syntax MAY be used for rich text representation.)

any of

type

type

type Type

merged type (Optional description of the media type. Registered Media Types are preferred. See MediaType for common media types.)

any of

roles

roles

roles Type

merged type (Optional, Semantic roles (i.e. thumbnail, overview, data, metadata) of the asset.)

any of

extra_fields

extra_fields

extra_fields Type

merged type (Optional, additional fields for this asset. This is used by extensions as a way to serialize and deserialize properties on asset object JSON.)

any of

gsd

gsd

gsd Type

merged type (Ground Sampling Distance (resolution) of the asset)

any of

eo__bands

eo__bands

eo__bands Type

merged type (An array of available bands where each object is a Band Object. If given, requires at least one band.)

any of

sar__instrument_mode

sar__instrument_mode

sar__instrument_mode Type

merged type (The name of the sensor acquisition mode that is commonly used. This should be the short name, if available. For example, WV for "Wave mode" of Sentinel-1 and Envisat ASAR satellites.)

any of

sar__frequency_band

sar__frequency_band

sar__frequency_band Type

merged type (The common name for the frequency band to make it easier to search for bands across instruments. See section "Common Frequency Band Names" for a list of accepted names.)

any of

sar__center_frequency

sar__center_frequency

sar__center_frequency Type

merged type (The center frequency of the instrument, in gigahertz (GHz).)

any of

sar__polarizations

sar__polarizations

sar__polarizations Type

merged type (Any combination of polarizations.)

any of

sar__product_type

sar__product_type

sar__product_type Type

merged type (The product type, for example SSC, MGD, or SGC)

any of

sar__resolution_range

sar__resolution_range

sar__resolution_range Type

merged type (The range resolution, which is the maximum ability to distinguish two adjacent targets perpendicular to the flight path, in meters (m).)

any of

sar__resolution_azimuth

sar__resolution_azimuth

sar__resolution_azimuth Type

merged type (The azimuth resolution, which is the maximum ability to distinguish two adjacent targets parallel to the flight path, in meters (m).)

any of

sar__pixel_spacing_range

sar__pixel_spacing_range

sar__pixel_spacing_range Type

merged type (The range pixel spacing, which is the distance between adjacent pixels perpendicular to the flight path, in meters (m). Strongly RECOMMENDED to be specified for products of type GRD.)

any of

sar__pixel_spacing_azimuth

sar__pixel_spacing_azimuth

sar__pixel_spacing_azimuth Type

merged type (The azimuth pixel spacing, which is the distance between adjacent pixels parallel to the flight path, in meters (m). Strongly RECOMMENDED to be specified for products of type GRD.)

any of

sar__looks_range

sar__looks_range

sar__looks_range Type

merged type (Number of range looks, which is the number of groups of signal samples (looks) perpendicular to the flight path.)

any of

sar__looks_azimuth

sar__looks_azimuth

sar__looks_azimuth Type

merged type (Number of azimuth looks, which is the number of groups of signal samples (looks) parallel to the flight path.)

any of

sar__looks_equivalent_number

sar__looks_equivalent_number

sar__looks_equivalent_number Type

merged type (The equivalent number of looks (ENL).)

any of

sar__observation_direction

sar__observation_direction

sar__observation_direction Type

merged type (Antenna pointing direction relative to the flight trajectory of the satellite, either left or right.)

any of

proj__epsg

proj__epsg

proj__epsg Type

merged type (EPSG code of the datasource.)

any of

proj__wkt2

proj__wkt2

proj__wkt2 Type

merged type (PROJJSON object representing the Coordinate Reference System (CRS) that the proj:geometry and proj:bbox fields represent.)

any of

proj__geometry

proj__geometry

proj__geometry Type

merged type (Defines the footprint of this Item.)

any of

proj__bbox

proj__bbox

proj__bbox Type

merged type (Bounding box of the Item in the asset CRS in 2 or 3 dimensions.)

any of

proj__centroid

proj__centroid

proj__centroid Type

merged type (Coordinates representing the centroid of the Item (in lat/long).)

any of

proj__shape

proj__shape

proj__shape Type

merged type (Number of pixels in Y and X directions for the default grid.)

any of

proj__transform

proj__transform

proj__transform Type

merged type (The affine transformation coefficients for the default grid.)

any of

Additional Properties

Additional properties are allowed and do not have to follow a specific schema

Definitions group Band

Reference this group by using

{"$ref":"airs_model#/$defs/Band"}
Property Type Required Nullable Defined by
name string Required cannot be null Item
common_name Merged Optional cannot be null Item
description Merged Optional cannot be null Item
center_wavelength Merged Optional cannot be null Item
full_width_half_max Merged Optional cannot be null Item
solar_illumination Merged Optional cannot be null Item
quality_indicators Merged Optional cannot be null Item
Additional Properties Any Optional can be null

name

name

name Type

string (The name of the band (e.g., B01, B8, band2, red).)

name Constraints

maximum length: the maximum number of characters for this string is: 300

common_name

common_name

common_name Type

merged type (The name commonly used to refer to the band to make it easier to search for bands across instruments. See the list of accepted common names.)

any of

description

description

description Type

merged type (Description to fully explain the band. CommonMark 0.29 syntax MAY be used for rich text representation.)

any of

center_wavelength

center_wavelength

center_wavelength Type

merged type (The center wavelength of the band, in micrometers (μm).)

any of

full_width_half_max

full_width_half_max

full_width_half_max Type

merged type (Full width at half maximum (FWHM). The width of the band, as measured at half the maximum transmission, in micrometers (μm).)

any of

solar_illumination

solar_illumination

solar_illumination Type

merged type (The solar illumination of the band, as measured at half the maximum transmission, in W/m2/micrometers.)

any of

quality_indicators

quality_indicators

quality_indicators Type

merged type (Set of indicators for estimating the quality of the datacube variable (band).)

any of

Additional Properties

Additional properties are allowed and do not have to follow a specific schema

Definitions group DimensionType

Reference this group by using

{"$ref":"airs_model#/$defs/DimensionType"}
Property Type Required Nullable Defined by

Definitions group Group

Reference this group by using

{"$ref":"airs_model#/$defs/Group"}
Property Type Required Nullable Defined by
timestamp Merged Optional cannot be null Item
rasters Merged Optional cannot be null Item
quality_indicators Merged Optional cannot be null Item

timestamp

timestamp

timestamp Type

merged type (The timestamp of this temporal group.)

any of

rasters

rasters

rasters Type

merged type (The rasters belonging to this temporal group.)

any of

quality_indicators

quality_indicators

quality_indicators Type

merged type (Set of indicators for estimating the quality of the datacube group. The indicators are group based.)

any of

Definitions group Indicators

Reference this group by using

{"$ref":"airs_model#/$defs/Indicators"}
Property Type Required Nullable Defined by
time_compacity Merged Optional cannot be null Item
spatial_coverage Merged Optional cannot be null Item
group_lightness Merged Optional cannot be null Item
time_regularity Merged Optional cannot be null Item

time_compacity

time_compacity

time_compacity Type

merged type (Indicates whether the temporal extend of the temporal slices (groups) are compact or not compared to the cube temporal extend. Computed as follow: 1-range(group rasters) / range(cube rasters).)

any of

spatial_coverage

spatial_coverage

spatial_coverage Type

merged type (Indicates the proportion of the region of interest that is covered by the input rasters. Computed as follow: area(intersection(union(rasters),roi)) / area(roi)))

any of

group_lightness

group_lightness

group_lightness Type

merged type (Indicates the proportion of non overlapping regions between the different input rasters. Computed as follow: area(intersection(union(rasters),roi)) / sum(area(intersection(raster, roi))))

any of

time_regularity

time_regularity

time_regularity Type

merged type (Indicates the regularity of the extends between the temporal slices (groups). Computed as follow: 1-std(inter group temporal gaps)/avg(inter group temporal gaps))

any of

Definitions group Properties

Reference this group by using

{"$ref":"airs_model#/$defs/Properties"}
Property Type Required Nullable Defined by
datetime Merged Optional cannot be null Item
start_datetime Merged Optional cannot be null Item
end_datetime Merged Optional cannot be null Item
programme Merged Optional cannot be null Item
constellation Merged Optional cannot be null Item
satellite Merged Optional cannot be null Item
instrument Merged Optional cannot be null Item
sensor Merged Optional cannot be null Item
sensor_type Merged Optional cannot be null Item
annotations Merged Optional cannot be null Item
gsd Merged Optional cannot be null Item
secondary_id Merged Optional cannot be null Item
data_type Merged Optional cannot be null Item
item_type Merged Optional cannot be null Item
item_format Merged Optional cannot be null Item
main_asset_format Merged Optional cannot be null Item
main_asset_name Merged Optional cannot be null Item
observation_type Merged Optional cannot be null Item
data_coverage Merged Optional cannot be null Item
water_coverage Merged Optional cannot be null Item
locations Merged Optional cannot be null Item
create_datetime Merged Optional cannot be null Item
update_datetime Merged Optional cannot be null Item
view__off_nadir Merged Optional cannot be null Item
view__incidence_angle Merged Optional cannot be null Item
view__azimuth Merged Optional cannot be null Item
view__sun_azimuth Merged Optional cannot be null Item
view__sun_elevation Merged Optional cannot be null Item
storage__requester_pays Merged Optional cannot be null Item
storage__tier Merged Optional cannot be null Item
storage__platform Merged Optional cannot be null Item
storage__region Merged Optional cannot be null Item
eo__cloud_cover Merged Optional cannot be null Item
eo__snow_cover Merged Optional cannot be null Item
eo__bands Merged Optional cannot be null Item
processing__expression Merged Optional cannot be null Item
processing__lineage Merged Optional cannot be null Item
processing__level Merged Optional cannot be null Item
processing__facility Merged Optional cannot be null Item
processing__software Merged Optional cannot be null Item
dc3__quality_indicators Merged Optional cannot be null Item
dc3__composition Merged Optional cannot be null Item
dc3__number_of_chunks Merged Optional cannot be null Item
dc3__chunk_weight Merged Optional cannot be null Item
dc3__fill_ratio Merged Optional cannot be null Item
cube__dimensions Merged Optional cannot be null Item
cube__variables Merged Optional cannot be null Item
acq__acquisition_mode Merged Optional cannot be null Item
acq__acquisition_orbit_direction Merged Optional cannot be null Item
acq__acquisition_type Merged Optional cannot be null Item
acq__across_track Merged Optional cannot be null Item
acq__along_track Merged Optional cannot be null Item
acq__archiving_date Merged Optional cannot be null Item
acq__download_orbit Merged Optional cannot be null Item
acq__request_id Merged Optional cannot be null Item
acq__quality_average Merged Optional cannot be null Item
acq__quality_computation Merged Optional cannot be null Item
acq__receiving_station Merged Optional cannot be null Item
acq__reception_date Merged Optional cannot be null Item
acq__spectral_mode Merged Optional cannot be null Item
sar__instrument_mode Merged Optional cannot be null Item
sar__frequency_band Merged Optional cannot be null Item
sar__center_frequency Merged Optional cannot be null Item
sar__polarizations Merged Optional cannot be null Item
sar__product_type Merged Optional cannot be null Item
sar__resolution_range Merged Optional cannot be null Item
sar__resolution_azimuth Merged Optional cannot be null Item
sar__pixel_spacing_range Merged Optional cannot be null Item
sar__pixel_spacing_azimuth Merged Optional cannot be null Item
sar__looks_range Merged Optional cannot be null Item
sar__looks_azimuth Merged Optional cannot be null Item
sar__looks_equivalent_number Merged Optional cannot be null Item
sar__observation_direction Merged Optional cannot be null Item
proj__epsg Merged Optional cannot be null Item
proj__wkt2 Merged Optional cannot be null Item
proj__geometry Merged Optional cannot be null Item
proj__bbox Merged Optional cannot be null Item
proj__centroid Merged Optional cannot be null Item
proj__shape Merged Optional cannot be null Item
proj__transform Merged Optional cannot be null Item
generated__has_overview Merged Optional cannot be null Item
generated__has_thumbnail Merged Optional cannot be null Item
generated__has_metadata Merged Optional cannot be null Item
generated__has_data Merged Optional cannot be null Item
generated__has_cog Merged Optional cannot be null Item
generated__has_zarr Merged Optional cannot be null Item
generated__date_keywords Merged Optional cannot be null Item
generated__day_of_week Merged Optional cannot be null Item
generated__day_of_year Merged Optional cannot be null Item
generated__hour_of_day Merged Optional cannot be null Item
generated__minute_of_day Merged Optional cannot be null Item
generated__month Merged Optional cannot be null Item
generated__year Merged Optional cannot be null Item
generated__season Merged Optional cannot be null Item
generated__tltrbrbl Merged Optional cannot be null Item
generated__band_common_names Merged Optional cannot be null Item
generated__band_names Merged Optional cannot be null Item
generated__geohash2 Merged Optional cannot be null Item
generated__geohash3 Merged Optional cannot be null Item
generated__geohash4 Merged Optional cannot be null Item
generated__geohash5 Merged Optional cannot be null Item
Additional Properties Any Optional can be null

datetime

datetime

datetime Type

merged type (datetime associated with this item. If None, a start_datetime and end_datetime must be supplied.)

any of

start_datetime

start_datetime

start_datetime Type

merged type (Optional start datetime, part of common metadata. This value will override any start_datetime key in properties.)

any of

end_datetime

end_datetime

end_datetime Type

merged type (Optional end datetime, part of common metadata. This value will override any end_datetime key in properties.)

any of

programme

programme

programme Type

merged type (Name of the programme)

any of

constellation

constellation

constellation Type

merged type (Name of the constellation)

any of

satellite

satellite

satellite Type

merged type (Name of the satellite)

any of

instrument

instrument

instrument Type

merged type (Name of the instrument)

any of

sensor

sensor

sensor Type

merged type (Name of the sensor)

any of

sensor_type

sensor_type

sensor_type Type

merged type (Type of sensor)

any of

annotations

annotations

annotations Type

merged type (Human annotations for the item)

any of

gsd

gsd

gsd Type

merged type (Ground Sampling Distance (resolution))

any of

secondary_id

secondary_id

secondary_id Type

merged type (Secondary identifier)

any of

data_type

data_type

data_type Type

merged type (Type of data)

any of

item_type

item_type

item_type Type

merged type (Type of data (ResourceType))

any of

item_format

item_format

item_format Type

merged type (Data format (ItemFormat))

any of

main_asset_format

main_asset_format

main_asset_format Type

merged type (Data format of the main asset (AssetFormat))

any of

main_asset_name

main_asset_name

main_asset_name Type

merged type (Name of the main asset (AssetFormat))

any of

observation_type

observation_type

observation_type Type

merged type (Type of observation (ObservationType))

any of

data_coverage

data_coverage

data_coverage Type

merged type (Estimate of data cover)

any of

water_coverage

water_coverage

water_coverage Type

merged type (Estimate of water cover)

any of

locations

locations

locations Type

merged type (List of locations covered by the item)

any of

create_datetime

create_datetime

create_datetime Type

merged type (Date of item creation in the catalog, managed by the ARLAS Item Registration Service)

any of

update_datetime

update_datetime

update_datetime Type

merged type (Update date of the item in the catalog, managed by the ARLAS Item Registration Service)

any of

view__off_nadir

view__off_nadir

view__off_nadir Type

merged type (The angle from the sensor between nadir (straight down) and the scene center. Measured in degrees (0-90).)

any of

view__incidence_angle

view__incidence_angle

view__incidence_angle Type

merged type (The incidence angle is the angle between the vertical (normal) to the intercepting surface and the line of sight back to the satellite at the scene center. Measured in degrees (0-90).)

any of

view__azimuth

view__azimuth

view__azimuth Type

merged type (Viewing azimuth angle. The angle measured from the sub-satellite point (point on the ground below the platform) between the scene center and true north. Measured clockwise from north in degrees (0-360).)

any of

view__sun_azimuth

view__sun_azimuth

view__sun_azimuth Type

merged type (Sun azimuth angle. From the scene center point on the ground, this is the angle between truth north and the sun. Measured clockwise in degrees (0-360).)

any of

view__sun_elevation

view__sun_elevation

view__sun_elevation Type

merged type (Sun elevation angle. The angle from the tangent of the scene center point to the sun. Measured from the horizon in degrees (-90-90). Negative values indicate the sun is below the horizon, e.g. sun elevation of -10° [...])

any of

storage__requester_pays

storage__requester_pays

storage__requester_pays Type

merged type (Is the data requester pays or is it data manager/cloud provider pays. Defaults to false. Whether the requester pays for accessing assets)

any of

storage__tier

storage__tier

storage__tier Type

merged type (Cloud Provider Storage Tiers (Standard, Glacier, etc.))

any of

storage__platform

storage__platform

storage__platform Type

merged type (PaaS solutions (ALIBABA, AWS, AZURE, GCP, IBM, ORACLE, OTHER))

any of

storage__region

storage__region

storage__region Type

merged type (The region where the data is stored. Relevant to speed of access and inter region egress costs (as defined by PaaS provider))

any of

eo__cloud_cover

eo__cloud_cover

eo__cloud_cover Type

merged type (Estimate of cloud cover.)

any of

eo__snow_cover

eo__snow_cover

eo__snow_cover Type

merged type (Estimate of snow and ice cover.)

any of

eo__bands

eo__bands

eo__bands Type

merged type (An array of available bands where each object is a Band Object. If given, requires at least one band.)

any of

processing__expression

processing__expression

processing__expression Type

merged type (An expression or processing chain that describes how the data has been processed. Alternatively, you can also link to a processing chain with the relation type processing-expression (see below).)

any of

processing__lineage

processing__lineage

processing__lineage Type

merged type (Lineage Information provided as free text information about the how observations were processed or models that were used to create the resource being described NASA ISO.)

any of

processing__level

processing__level

processing__level Type

merged type (The name commonly used to refer to the processing level to make it easier to search for product level across collections or items. The short name must be used (only L, not Level).)

any of

processing__facility

processing__facility

processing__facility Type

merged type (The name of the facility that produced the data. For example, Copernicus S1 Core Ground Segment - DPA for product of Sentinel-1 satellites.)

any of

processing__software

processing__software

processing__software Type

merged type (A dictionary with name/version for key/value describing one or more softwares that produced the data.)

any of

dc3__quality_indicators

dc3__quality_indicators

dc3__quality_indicators Type

merged type (Set of indicators for estimating the quality of the datacube based on the composition. The indicators are group based. A cube indicator is the product of its corresponding group indicator.)

any of

dc3__composition

dc3__composition

dc3__composition Type

merged type (List of raster groups used for elaborating the cube temporal slices.)

any of

dc3__number_of_chunks

dc3__number_of_chunks

dc3__number_of_chunks Type

merged type (Number of chunks (if zarr or similar partitioned format) within the cube.)

any of

dc3__chunk_weight

dc3__chunk_weight

dc3__chunk_weight Type

merged type (Weight of a chunk (number of bytes).)

any of

dc3__fill_ratio

dc3__fill_ratio

dc3__fill_ratio Type

merged type (1: the cube is full, 0 the cube is empty, in between the cube is partially filled.)

any of

cube__dimensions

cube__dimensions

cube__dimensions Type

merged type (Uniquely named dimensions of the datacube.)

any of

cube__variables

cube__variables

cube__variables Type

merged type (Uniquely named variables of the datacube.)

any of

acq__acquisition_mode

acq__acquisition_mode

acq__acquisition_mode Type

merged type (The name of the acquisition mode.)

any of

acq__acquisition_orbit_direction

acq__acquisition_orbit_direction

acq__acquisition_orbit_direction Type

merged type (Acquisition orbit direction (ASCENDING or DESCENDING).)

any of

acq__acquisition_type

acq__acquisition_type

acq__acquisition_type Type

merged type (Acquisition type (STRIP))

any of

acq__across_track

acq__across_track

acq__across_track Type

merged type (Across track angle)

any of

acq__along_track

acq__along_track

acq__along_track Type

merged type (Along track angle)

any of

acq__archiving_date

acq__archiving_date

acq__archiving_date Type

merged type (Archiving date)

any of

acq__download_orbit

acq__download_orbit

acq__download_orbit Type

merged type (Download orbit)

any of

acq__request_id

acq__request_id

acq__request_id Type

merged type (Original request identifier)

any of

acq__quality_average

acq__quality_average

acq__quality_average Type

merged type (Quality average)

any of

acq__quality_computation

acq__quality_computation

acq__quality_computation Type

merged type (Quality computation)

any of

acq__receiving_station

acq__receiving_station

acq__receiving_station Type

merged type (Receiving station)

any of

acq__reception_date

acq__reception_date

acq__reception_date Type

merged type (Reception date)

any of

acq__spectral_mode

acq__spectral_mode

acq__spectral_mode Type

merged type (Spectral mode)

any of

sar__instrument_mode

sar__instrument_mode

sar__instrument_mode Type

merged type (The name of the sensor acquisition mode that is commonly used. This should be the short name, if available. For example, WV for "Wave mode" of Sentinel-1 and Envisat ASAR satellites.)

any of

sar__frequency_band

sar__frequency_band

sar__frequency_band Type

merged type (The common name for the frequency band to make it easier to search for bands across instruments. See section "Common Frequency Band Names" for a list of accepted names.)

any of

sar__center_frequency

sar__center_frequency

sar__center_frequency Type

merged type (The center frequency of the instrument, in gigahertz (GHz).)

any of

sar__polarizations

sar__polarizations

sar__polarizations Type

merged type (Any combination of polarizations.)

any of

sar__product_type

sar__product_type

sar__product_type Type

merged type (The product type, for example SSC, MGD, or SGC)

any of

sar__resolution_range

sar__resolution_range

sar__resolution_range Type

merged type (The range resolution, which is the maximum ability to distinguish two adjacent targets perpendicular to the flight path, in meters (m).)

any of

sar__resolution_azimuth

sar__resolution_azimuth

sar__resolution_azimuth Type

merged type (The azimuth resolution, which is the maximum ability to distinguish two adjacent targets parallel to the flight path, in meters (m).)

any of

sar__pixel_spacing_range

sar__pixel_spacing_range

sar__pixel_spacing_range Type

merged type (The range pixel spacing, which is the distance between adjacent pixels perpendicular to the flight path, in meters (m). Strongly RECOMMENDED to be specified for products of type GRD.)

any of

sar__pixel_spacing_azimuth

sar__pixel_spacing_azimuth

sar__pixel_spacing_azimuth Type

merged type (The azimuth pixel spacing, which is the distance between adjacent pixels parallel to the flight path, in meters (m). Strongly RECOMMENDED to be specified for products of type GRD.)

any of

sar__looks_range

sar__looks_range

sar__looks_range Type

merged type (Number of range looks, which is the number of groups of signal samples (looks) perpendicular to the flight path.)

any of

sar__looks_azimuth

sar__looks_azimuth

sar__looks_azimuth Type

merged type (Number of azimuth looks, which is the number of groups of signal samples (looks) parallel to the flight path.)

any of

sar__looks_equivalent_number

sar__looks_equivalent_number

sar__looks_equivalent_number Type

merged type (The equivalent number of looks (ENL).)

any of

sar__observation_direction

sar__observation_direction

sar__observation_direction Type

merged type (Antenna pointing direction relative to the flight trajectory of the satellite, either left or right.)

any of

proj__epsg

proj__epsg

proj__epsg Type

merged type (EPSG code of the datasource.)

any of

proj__wkt2

proj__wkt2

proj__wkt2 Type

merged type (PROJJSON object representing the Coordinate Reference System (CRS) that the proj:geometry and proj:bbox fields represent.)

any of

proj__geometry

proj__geometry

proj__geometry Type

merged type (Defines the footprint of this Item.)

any of

proj__bbox

proj__bbox

proj__bbox Type

merged type (Bounding box of the Item in the asset CRS in 2 or 3 dimensions.)

any of

proj__centroid

proj__centroid

proj__centroid Type

merged type (Coordinates representing the centroid of the Item (in lat/long).)

any of

proj__shape

proj__shape

proj__shape Type

merged type (Number of pixels in Y and X directions for the default grid.)

any of

proj__transform

proj__transform

proj__transform Type

merged type (The affine transformation coefficients for the default grid.)

any of

generated__has_overview

generated__has_overview

generated__has_overview Type

merged type (Whether the item has an overview or not.)

any of

generated__has_thumbnail

generated__has_thumbnail

generated__has_thumbnail Type

merged type (Whether the item has a thumbnail or not.)

any of

generated__has_metadata

generated__has_metadata

generated__has_metadata Type

merged type (Whether the item has a metadata file or not.)

any of

generated__has_data

generated__has_data

generated__has_data Type

merged type (Whether the item has a data file or not.)

any of

generated__has_cog

generated__has_cog

generated__has_cog Type

merged type (Whether the item has a cog or not.)

any of

generated__has_zarr

generated__has_zarr

generated__has_zarr Type

merged type (Whether the item has a zarr or not.)

any of

generated__date_keywords

generated__date_keywords

generated__date_keywords Type

merged type (A list of keywords indicating clues on the date)

any of

generated__day_of_week

generated__day_of_week

generated__day_of_week Type

merged type (Day of week.)

any of

generated__day_of_year

generated__day_of_year

generated__day_of_year Type

merged type (Day of year.)

any of

generated__hour_of_day

generated__hour_of_day

generated__hour_of_day Type

merged type (Hour of day.)

any of

generated__minute_of_day

generated__minute_of_day

generated__minute_of_day Type

merged type (Minute of day.)

any of

generated__month

generated__month

  • is optional

  • Type: merged type (Month)

  • cannot be null

  • defined in: Item

generated__month Type

merged type (Month)

any of

generated__year

generated__year

  • is optional

  • Type: merged type (Year)

  • cannot be null

  • defined in: Item

generated__year Type

merged type (Year)

any of

generated__season

generated__season

  • is optional

  • Type: merged type (Season)

  • cannot be null

  • defined in: Item

generated__season Type

merged type (Season)

any of

generated__tltrbrbl

generated__tltrbrbl

generated__tltrbrbl Type

merged type (The coordinates of the top left, top right, bottom right, bottom left corners of the item.)

any of

generated__band_common_names

generated__band_common_names

generated__band_common_names Type

merged type (List of the band common names.)

any of

generated__band_names

generated__band_names

generated__band_names Type

merged type (List of the band names.)

any of

generated__geohash2

generated__geohash2

generated__geohash2 Type

merged type (Geohash on the first two characters.)

any of

generated__geohash3

generated__geohash3

generated__geohash3 Type

merged type (Geohash on the first three characters.)

any of

generated__geohash4

generated__geohash4

generated__geohash4 Type

merged type (Geohash on the first four characters.)

any of

generated__geohash5

generated__geohash5

generated__geohash5 Type

merged type (Geohash on the first five characters.)

any of

Additional Properties

Additional properties are allowed and do not have to follow a specific schema

Definitions group Raster

Reference this group by using

{"$ref":"airs_model#/$defs/Raster"}
Property Type Required Nullable Defined by
type object Required cannot be null Item
path string Required cannot be null Item
id string Required cannot be null Item

type

type

  • is required

  • Type: object (RasterType)

  • cannot be null

  • defined in: Item

type Type

object (RasterType)

path

path

  • is required

  • Type: string (Path)

  • cannot be null

  • defined in: Item

path Type

string (Path)

id

id

  • is required

  • Type: string (Id)

  • cannot be null

  • defined in: Item

id Type

string (Id)

Definitions group RasterType

Reference this group by using

{"$ref":"airs_model#/$defs/RasterType"}
Property Type Required Nullable Defined by
source string Required cannot be null Item
format string Required cannot be null Item

source

source

  • is required

  • Type: string (Source)

  • cannot be null

  • defined in: Item

source Type

string (Source)

format

format

  • is required

  • Type: string (Format)

  • cannot be null

  • defined in: Item

format Type

string (Format)

Definitions group VariableType

Reference this group by using

{"$ref":"airs_model#/$defs/VariableType"}
Property Type Required Nullable Defined by

Project details


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