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STAC-extensions.yaml
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STAC-extensions.yaml
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openapi: 3.0.1
info:
title: The SpatioTemporal Asset Catalog API + Extensions
version: 0.9.0
license:
name: Apache License 2.0
url: 'http://www.apache.org/licenses/LICENSE-2.0'
description: >-
This is an OpenAPI definition of the core SpatioTemporal Asset Catalog API
specification. Any service that implements this endpoint to allow search of
spatiotemporal assets can be considered a STAC API. The endpoint is also
available as an OpenAPI fragment that can be integrated with other OpenAPI
definitions, and is designed to slot seamlessly into a OGC API - Features
definition.
contact:
name: STAC Specification
url: 'http://stacspec.org'
tags:
- name: Capabilities
description: essential characteristics of this API
- name: Data
description: access to data (features)
- name: STAC
description: >-
Extension to OGC API - Features to support STAC metadata model and search
API
- name: Transaction Extension
description: >-
STAC-specific operations to add, remove, and edit items within OGC API -
Features collections.
paths:
/:
get:
tags:
- Capabilities
summary: landing page
description: |-
Returns the root STAC Catalog or STAC Collection that is the entry point
for users to browse with STAC Browser or for search engines to crawl.
This can either return a single STAC Collection or more commonly a STAC
catalog.
The landing page provides links to the API definition, the conformance
statements, the collections and sub-catalogs.
operationId: getLandingPage
responses:
'200':
$ref: '#/components/responses/LandingPage'
'500':
$ref: '#/components/responses/ServerError'
/conformance:
get:
tags:
- Capabilities
summary: information about specifications that this API conforms to
description: |-
A list of all conformance classes specified in a standard that the
server conforms to.
operationId: getConformanceDeclaration
responses:
'200':
$ref: '#/components/responses/ConformanceDeclaration'
'500':
$ref: '#/components/responses/ServerError'
/collections:
get:
tags:
- Capabilities
summary: the feature collections in the dataset
operationId: getCollections
responses:
'200':
$ref: '#/components/responses/Collections'
'500':
$ref: '#/components/responses/ServerError'
'/collections/{collectionId}':
get:
tags:
- Capabilities
summary: describe the feature collection with id `collectionId`
operationId: describeCollection
parameters:
- $ref: '#/components/parameters/collectionId'
responses:
'200':
$ref: '#/components/responses/Collection'
'404':
$ref: '#/components/responses/NotFound'
'500':
$ref: '#/components/responses/ServerError'
'/collections/{collectionId}/items':
get:
tags:
- Data
summary: fetch features
description: |-
Fetch features of the feature collection with id `collectionId`.
Every feature in a dataset belongs to a collection. A dataset may
consist of multiple feature collections. A feature collection is often a
collection of features of a similar type, based on a common schema.
Use content negotiation to request HTML or GeoJSON.
operationId: getFeatures
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/limit'
- $ref: '#/components/parameters/bbox'
- $ref: '#/components/parameters/datetime'
responses:
'200':
$ref: '#/components/responses/Features'
'400':
$ref: '#/components/responses/InvalidParameter'
'404':
$ref: '#/components/responses/NotFound'
'500':
$ref: '#/components/responses/ServerError'
post:
summary: add a new feature to a collection
description: create a new feature in a specific collection
operationId: postFeature
tags:
- Transaction Extension
parameters:
- $ref: '#/components/parameters/collectionId'
requestBody:
content:
application/json:
schema:
oneOf:
- $ref: '#/components/schemas/item'
- $ref: '#/components/schemas/itemCollection'
responses:
'201':
description: Status of the create request.
headers:
Location:
description: A link to the item
schema:
type: string
format: url
ETag:
schema:
type: string
description: A string to ensure the item has not been modified
content:
application/geo+json:
schema:
type: string
text/html:
schema:
type: string
'400':
$ref: '#/components/responses/BadRequest'
5XX:
$ref: '#/components/responses/InternalServerError'
default:
description: An error occurred.
content:
application/json:
schema:
$ref: '#/components/schemas/exception'
text/html:
schema:
type: string
'/collections/{collectionId}/items/{featureId}':
get:
tags:
- Data
summary: fetch a single feature
description: |-
Fetch the feature with id `featureId` in the feature collection
with id `collectionId`.
Use content negotiation to request HTML or GeoJSON.
operationId: getFeature
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/featureId'
responses:
'200':
$ref: '#/components/responses/Feature'
headers:
ETag:
schema:
type: string
description: A string to ensure the item has not been modified
'404':
$ref: '#/components/responses/NotFound'
'500':
$ref: '#/components/responses/ServerError'
put:
summary: update an existing feature by Id with a complete item definition
description: >-
Use this method to update an existing feature. Requires the entire
GeoJSON description be submitted.
operationId: putFeature
tags:
- Transaction Extension
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/featureId'
- $ref: '#/components/parameters/IfMatch'
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/item'
responses:
'200':
description: Status of the update request.
headers:
ETag:
schema:
type: string
description: A string to ensure the item has not been modified
content:
text/html:
schema:
type: string
application/json:
schema:
type: string
'400':
$ref: '#/components/responses/BadRequest'
'404':
$ref: '#/components/responses/NotFound'
'412':
$ref: '#/components/responses/PreconditionFailed'
5XX:
$ref: '#/components/responses/InternalServerError'
default:
description: An error occurred.
content:
application/json:
schema:
$ref: '#/components/schemas/exception'
text/html:
schema:
type: string
patch:
summary: update an existing feature by Id with a partial item definition
description: >-
Use this method to update an existing feature. Requires a GeoJSON
fragement (containing the fields to be updated) be submitted.
operationId: patchFeature
tags:
- Transaction Extension
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/featureId'
- $ref: '#/components/parameters/IfMatchOptional'
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/partialItem'
responses:
'200':
description: Status of the update request.
headers:
ETag:
schema:
type: string
description: A string to ensure the item has not been modified
content:
text/html:
schema:
type: string
application/json:
schema:
type: string
'400':
$ref: '#/components/responses/BadRequest'
'404':
$ref: '#/components/responses/NotFound'
5XX:
$ref: '#/components/responses/InternalServerError'
default:
description: An error occurred.
content:
application/json:
schema:
$ref: '#/components/schemas/exception'
text/html:
schema:
type: string
delete:
summary: delete an existing feature by Id
description: Use this method to delete an existing feature.
operationId: deleteFeature
tags:
- Transaction Extension
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/featureId'
- $ref: '#/components/parameters/IfMatch'
responses:
'204':
description: Status of the delete request.
'400':
$ref: '#/components/responses/BadRequest'
'404':
$ref: '#/components/responses/NotFound'
5XX:
$ref: '#/components/responses/InternalServerError'
default:
description: An error occurred.
content:
application/json:
schema:
$ref: '#/components/schemas/exception'
text/html:
schema:
type: string
/search:
get:
summary: Search STAC items with simple filtering.
description: |-
Retrieve Items matching filters. Intended as a shorthand API for simple
queries.
This method is optional, but you MUST implement `POST /search` if you
want to implement this method.
If this endpoint is implemented on a server, it is required to add a
link referring to this endpoint with `rel` set to `search` to the
`links` array in `GET /`. As `GET` is the default method, the `method`
may not be set explicitly in the link.
operationId: getSearchSTAC
tags:
- STAC
parameters:
- $ref: '#/components/parameters/bbox'
- $ref: '#/components/parameters/datetime'
- $ref: '#/components/parameters/limit'
- $ref: '#/components/parameters/ids'
- $ref: '#/components/parameters/collectionsArray'
- $ref: '#/components/parameters/query'
- $ref: '#/components/parameters/sortby'
- $ref: '#/components/parameters/fields'
responses:
'200':
description: A feature collection.
content:
application/geo+json:
schema:
$ref: '#/components/schemas/itemCollection'
text/html:
schema:
type: string
default:
description: An error occurred.
content:
application/json:
schema:
$ref: '#/components/schemas/exception'
text/html:
schema:
type: string
post:
summary: Search STAC items with full-featured filtering.
description: |-
retrieve items matching filters. Intended as the standard, full-featured
query API.
This method is mandatory to implement if `GET /search` is implemented.
If this endpoint is implemented on a server, it is required to add a
link referring to this endpoint with `rel` set to `search` and `method`
set to `POST` to the `links` array in `GET /`.
operationId: postSearchSTAC
tags:
- STAC
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/searchBody'
responses:
'200':
description: A feature collection.
content:
application/geo+json:
schema:
$ref: '#/components/schemas/itemCollection'
text/html:
schema:
type: string
default:
description: An error occurred.
content:
application/json:
schema:
$ref: '#/components/schemas/exception'
text/html:
schema:
type: string
'/collections/{collectionId}/versions':
get:
summary: returns a list of links for a versioned collection
description: returns a list of links for a versioned collection
tags:
- Version Extension
parameters:
- $ref: '#/components/parameters/collectionId'
responses:
'200':
description: >-
A catalog JSON definition the returns list of links of a collection
versions
content:
application/json:
schema:
$ref: '#/components/schemas/catalogDefinition'
'/collections/{collectionId}/versions/{versionId}':
get:
summary: returns the requested version of a collection
description: returns the requested version of a collection
tags:
- Version Extension
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/versionId'
responses:
'200':
$ref: '#/components/responses/Collections'
'/collections/{collectionId}/items/{featureId}/versions':
get:
summary: returns a list of links for a versioned item
description: returns a list of links for a versioned item
tags:
- Version Extension
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/featureId'
responses:
'200':
description: >-
A catalog JSON definition the returns list of links of an item
versions
content:
application/json:
schema:
$ref: '#/components/schemas/catalogDefinition'
'/collections/{collectionId}/items/{featureId}/versions/{versionId}':
get:
summary: returns the requested version of an item
description: returns the requested version of an item
tags:
- Version Extension
parameters:
- $ref: '#/components/parameters/collectionId'
- $ref: '#/components/parameters/featureId'
- $ref: '#/components/parameters/versionId'
responses:
'200':
$ref: '#/components/responses/Collections'
components:
parameters:
bbox:
name: bbox
in: query
description: >-
Only features that have a geometry that intersects the bounding box are
selected.
The bounding box is provided as four or six numbers, depending on
whether the coordinate reference system includes a vertical axis (height
or depth):
* Lower left corner, coordinate axis 1
* Lower left corner, coordinate axis 2
* Minimum value, coordinate axis 3 (optional)
* Upper right corner, coordinate axis 1
* Upper right corner, coordinate axis 2
* Maximum value, coordinate axis 3 (optional)
The coordinate reference system of the values is WGS 84
longitude/latitude (http://www.opengis.net/def/crs/OGC/1.3/CRS84) unless
a different coordinate reference system is specified in the parameter
`bbox-crs`.
For WGS 84 longitude/latitude the values are in most cases the sequence
of minimum longitude, minimum latitude, maximum longitude and maximum
latitude. However, in cases where the box spans the antimeridian the
first value (west-most box edge) is larger than the third value
(east-most box edge).
If the vertical axis is included, the third and the sixth number are
the bottom and the top of the 3-dimensional bounding box.
If a feature has multiple spatial geometry properties, it is the
decision of the server whether only a single spatial geometry property
is used to determine the extent or all relevant geometries.
Example: The bounding box of the New Zealand Exclusive Economic Zone in
WGS 84 (from 160.6°E to 170°W and from 55.95°S to 25.89°S) would be
represented in JSON as `[160.6, -55.95, -170, -25.89]` and in a query as
`bbox=160.6,-55.95,-170,-25.89`.
required: false
schema:
type: array
minItems: 4
maxItems: 6
items:
type: number
style: form
explode: false
collectionId:
name: collectionId
in: path
description: local identifier of a collection
required: true
schema:
type: string
datetime:
name: datetime
in: query
description: >-
Either a date-time or an interval, open or closed. Date and time
expressions
adhere to RFC 3339. Open intervals are expressed using double-dots.
Examples:
* A date-time: "2018-02-12T23:20:50Z"
* A closed interval: "2018-02-12T00:00:00Z/2018-03-18T12:31:12Z"
* Open intervals: "2018-02-12T00:00:00Z/.." or "../2018-03-18T12:31:12Z"
Only features that have a temporal property that intersects the value of
`datetime` are selected.
If a feature has multiple temporal properties, it is the decision of the
server whether only a single temporal property is used to determine
the extent or all relevant temporal properties.
required: false
schema:
type: string
style: form
explode: false
featureId:
name: featureId
in: path
description: local identifier of a feature
required: true
schema:
type: string
limit:
name: limit
in: query
description: >-
The optional limit parameter limits the number of items that are
presented in the response document.
Only items are counted that are on the first level of the collection in
the response document.
Nested objects contained within the explicitly requested items shall not
be counted.
Minimum = 1. Maximum = 10000. Default = 10.
required: false
schema:
type: integer
minimum: 1
maximum: 10000
default: 10
style: form
explode: false
ids:
name: ids
in: query
description: |-
Array of Item ids to return. All other filter parameters that further
restrict the number of search results are ignored
required: false
schema:
$ref: '#/components/schemas/ids'
explode: false
collectionsArray:
name: collections
in: query
description: |
Array of Collection IDs to include in the search for items.
Only Items in one of the provided Collections will be searched
required: false
schema:
$ref: '#/components/schemas/collectionsArray'
explode: false
query:
name: query
in: query
description: >-
query for properties in items. Use the JSON form of the queryFilter used
in POST.
required: false
schema:
type: string
sortby:
name: sortby
in: query
description: |-
An array of property names, prefixed by either "+" for ascending or
"-" for descending. If no prefix is provided, "+" is assumed.
required: false
schema:
type: string
example: '+id,-properties.eo:cloud_cover'
style: form
explode: false
fields:
name: fields
in: query
description: Determines the shape of the features in the response
required: false
schema:
type: string
example: 'id,type,-geometry,bbox,properties,-links,-assets'
style: form
explode: false
IfMatch:
name: If-Match
in: header
description: Only take the action if the ETag of the item still matches
required: true
schema:
type: string
IfMatchOptional:
name: If-Match
in: header
description: Only take the action if the ETag of the item still matches
required: false
schema:
type: string
versionId:
name: versionId
in: path
description: local identifier of a version
required: true
schema:
type: string
schemas:
collection:
type: object
required:
- id
- links
- stac_version
- description
- license
- extent
properties:
id:
description: 'identifier of the collection used, for example, in URIs'
type: string
example: address
title:
description: human readable title of the collection
type: string
example: address
description:
description: a description of the features in the collection
type: string
example: An address.
$ref: '#/components/schemas/description'
links:
type: array
items:
$ref: '#/components/schemas/link'
example:
- href: 'http://data.example.com/buildings'
rel: item
- href: 'http://example.com/concepts/buildings.html'
rel: describedBy
type: text/html
extent:
$ref: '#/components/schemas/extent'
itemType:
description: >-
indicator about the type of the items in the collection (the default
value is 'feature').
type: string
default: feature
crs:
description: the list of coordinate reference systems supported by the service
type: array
items:
type: string
default:
- 'http://www.opengis.net/def/crs/OGC/1.3/CRS84'
example:
- 'http://www.opengis.net/def/crs/OGC/1.3/CRS84'
- 'http://www.opengis.net/def/crs/EPSG/0/4326'
stac_version:
$ref: '#/components/schemas/stac_version'
stac_extensions:
$ref: '#/components/schemas/stac_extensions'
keywords:
type: array
description: List of keywords describing the collection.
items:
type: string
license:
$ref: '#/components/schemas/license'
providers:
$ref: '#/components/schemas/providers'
summaries:
description: |-
Summaries are either a unique set of all available values *or*
statistics. Statistics by default only specify the range (minimum
and maximum values), but can optionally be accompanied by additional
statistical values. The range can specify the potential range of
values, but it is recommended to be as precise as possible. The set
of values must contain at least one element and it is strongly
recommended to list all values. It is recommended to list as many
properties as reasonable so that consumers get a full overview of
the Collection. Properties that are covered by the Collection
specification (e.g. `providers` and `license`) may not be repeated
in the summaries.
type: object
additionalProperties:
oneOf:
- type: array
title: Set of values
items:
description: A value of any type.
- type: object
title: Statistics
description: |-
By default, only ranges with a minimum and a maximum value can
be specified. Ranges can be specified for ordinal values only,
which means they need to have a rank order. Therefore, ranges
can only be specified for numbers and some special types of
strings. Examples: grades (A to F), dates or times.
Implementors are free to add other derived statistical values
to the object, for example `mean` or `stddev`.
required:
- min
- max
properties:
min:
anyOf:
- type: string
- type: number
max:
anyOf:
- type: string
- type: number
example:
stac_version: 0.9.0
stac_extensions: []
id: Sentinel-2
title: 'Sentinel-2 MSI: MultiSpectral Instrument, Level-1C'
description: |
Sentinel-2 is a wide-swath, high-resolution, multi-spectral
imaging mission...
license: proprietary
keywords:
- copernicus
- esa
- eu
- msi
- radiance
- sentinel
providers:
- name: ESA
roles:
- producer
- licensor
url: 'https://sentinel.esa.int/web/sentinel/user-guides/sentinel-2-msi'
extent:
spatial:
bbox:
- - -180
- -56
- 180
- 83
temporal:
interval:
- - '2015-06-23T00:00:00Z'
- '2019-07-10T13:44:56Z'
summaries:
datetime:
min: '2015-06-23T00:00:00Z'
max: '2019-07-10T13:44:56Z'
'sci:citation':
- 'Copernicus Sentinel data [Year]'
'eo:gsd':
- 10
- 30
- 60
platform:
- sentinel-2a
- sentinel-2b
constellation:
- sentinel-2
instruments:
- msi
'view:off_nadir':
min: 0
max: 100
'view:sun_elevation':
min: 6.78
max: 89.9
'eo:bands':
- - name: B1
common_name: coastal
center_wavelength: 4.439
- name: B2
common_name: blue
center_wavelength: 4.966
- name: B3
common_name: green
center_wavelength: 5.6
- name: B4
common_name: red
center_wavelength: 6.645
- name: B5
center_wavelength: 7.039
- name: B6
center_wavelength: 7.402
- name: B7
center_wavelength: 7.825
- name: B8
common_name: nir
center_wavelength: 8.351
- name: B8A
center_wavelength: 8.648
- name: B9
center_wavelength: 9.45
- name: B10
center_wavelength: 1.3735
- name: B11
common_name: swir16
center_wavelength: 1.6137
- name: B12
common_name: swir22
center_wavelength: 2.2024
links:
- rel: self
href: 'http://cool-sat.com/collections/Sentinel-2'
- rel: root
href: 'http://cool-sat.com/collections'
- rel: license
href: >-
https://scihub.copernicus.eu/twiki/pub/SciHubWebPortal/TermsConditions/Sentinel_Data_Terms_and_Conditions.pdf
title: >-
Legal notice on the use of Copernicus Sentinel Data and Service
Information
collections:
type: object
required:
- links
- collections
properties:
links:
type: array
items:
$ref: '#/components/schemas/link'
collections:
type: array
items:
$ref: '#/components/schemas/collection'
confClasses:
type: object
required:
- conformsTo
properties:
conformsTo:
type: array
items:
type: string
exception:
type: object
description: >-
Information about the exception: an error code plus an optional
description.
required:
- code
properties:
code:
type: string
description:
type: string
extent:
type: object
description: >-
The extent of the features in the collection. In the Core only spatial
and temporal
extents are specified. Extensions may add additional members to
represent other
extents, for example, thermal or pressure ranges.
properties:
spatial:
description: The spatial extent of the features in the collection.
type: object
properties:
bbox:
description: >-
One or more bounding boxes that describe the spatial extent of
the dataset.
In the Core only a single bounding box is supported. Extensions
may support
additional areas. If multiple areas are provided, the union of
the bounding
boxes describes the spatial extent.
type: array
minItems: 1
items:
description: >-
Each bounding box is provided as four or six numbers,
depending on
whether the coordinate reference system includes a vertical
axis
(height or depth):
* Lower left corner, coordinate axis 1
* Lower left corner, coordinate axis 2
* Minimum value, coordinate axis 3 (optional)
* Upper right corner, coordinate axis 1
* Upper right corner, coordinate axis 2
* Maximum value, coordinate axis 3 (optional)
The coordinate reference system of the values is WGS 84
longitude/latitude
(http://www.opengis.net/def/crs/OGC/1.3/CRS84) unless a
different coordinate
reference system is specified in `crs`.
For WGS 84 longitude/latitude the values are in most cases the
sequence of
minimum longitude, minimum latitude, maximum longitude and
maximum latitude.
However, in cases where the box spans the antimeridian the
first value
(west-most box edge) is larger than the third value (east-most
box edge).
If the vertical axis is included, the third and the sixth
number are