Observation Instance – Django REST framework

Get a list of Observation objects.

### Available end points:

- `/observations/` - Will list all Results in the database
- `/observations.json` - Will return all Results in json format. This can
also be achieved by using the accept header. `application/json`
- `/observations/<object_id>/` - Returns Results object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `title`
- `uuid`
- `keywords`
- `status`
- `result_field`
- `discoveryKeywords`
- `updateFrequency`
- `nonGeographicFlag`
- `publicationState`
- `permissions`

### How to use filters:

These filters can be used like django query filters using __ for related model relationships.

- `/observations/?uuid=d594d53df2612bbd89c2e0e770b5c1a0`
- `/observations/?status=completed`
- `/observations/?results_field__dataPath__startswith=/neodc/esacci`
- `/observations/?discoveryKeywords__name=ESACCI`
- `/observations/?nonGeographicFlag=True`

Filters can be stacked to build an 'AND' relationship. E.g.

- `/observations/?publicationState__in=published,citable&nonGeographicFlag=True`
- `/observations/?publicationState__in=published,citable&discoveryKeyword__name=NDGO0003`

GET /api/v2/observations/28128/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28128,
    "uuid": "893b8a270f924d67af8541011f407b29",
    "title": "Weybourne Atmospheric Observatory: Fourier Transform Infra-Red (FTIR) measurements",
    "abstract": "This dataset contains measurements taken from the Fourier Transform Infra-Red (FTIR instrument location at the Weybourne Atmospheric Observatory. The instrument measures CH4, N2O, CO and CO2.\r\n\r\nThe Weybourne Atmospheric Observatory (WAO) is a Regional station in the Global Atmosphere Watch (GAW) programme of the World Meteorological Organization (WMO). It is situated on the North Norfolk coast (52°57’02’’N, 1°07’19’’E, 15 m asl).",
    "keywords": "Weybourne Atmospheric Observatory, v",
    "publicationState": "published",
    "dataPublishedTime": "2020-03-03T15:05:01",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/28129/?format=api",
        "dataPath": "/badc/weybourne/data/ftir",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 102987651,
        "numberOfFiles": 10,
        "fileFormat": "Data are NetCDF formatted."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/7572/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/69/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50512/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53936/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53937/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53938/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53939/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53940/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53941/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53942/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53943/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/53944/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/55553/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61137/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61138/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61139/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/61140/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/74110/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/91565/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/91566/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/91567/?format=api"
    ],
    "dataLineage": "Data is collected at the Weybourne Atmospheric Observatory (WAO), which operates a range of instruments in its measurement programme. After collection, data is processed and formatted by the station manager, then uploaded as is to the Centre for Environmental Data Analysis (CEDA).",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/12057/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/3818/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/24762/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118426/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118428/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118427/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118432/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118433/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118430/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/118429/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/28136/?format=api",
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2522/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "registered",
            "accessRoles": null,
            "label": "registered: None group",
            "licenceURL": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}