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/33141/?format=api

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

{
    "ob_id": 33141,
    "uuid": "bfa7f9b9bde5414c96a281fa0a566e0c",
    "title": "HiTemp: High density temperature and meteorological measurements within the Urban Birmingham conurbation. CSV version as supplied by project team.",
    "abstract": "This dataset contains  temperature and meteorological data from a high density network of meteorological sensors installed within the Birmingham conurbation: This includes low-cost, battery-powered WiFi Aginova Sentinel Micro air temperature sensors, operated at 73 stations  and 25 Vaisala WXT520 weather transmitters measuring temperature, precipitation, relative humidity, wind speed and direction, pressure, solar radiation and quality flags.   \r\n\r\nThis data is the basic Comma Separated Variable (CSV) format version as supplied by the project team.  Reformatted versions with inclusive metadata have superceded this data.\r\n\r\nThese measurements have been made by the Birmingham Urban Climate Laboratory (BUCL) for the HiTemp (High Density Measurements within the Urban Environment) project in order to study the Birmingham Urban Heat Island (UHI)",
    "keywords": "HiTemp, BUCL, UHI, network of sensors, urban heat island",
    "publicationState": "working",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/33142/?format=api",
        "dataPath": "/badc/hitemp/data/raw",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 2597407524,
        "numberOfFiles": 28661,
        "fileFormat": "csv"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/3781/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/775/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [],
    "dataLineage": "Data received from BUCL team and stored as supplied at CEDA.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/13923/?format=api"
    ],
    "observationcollection_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147988/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147989/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147990/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147987/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147991/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147992/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147993/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147994/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147995/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147996/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147997/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147998/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/147999/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/33143/?format=api",
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2526/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": []
}