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/27613/?format=api

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

{
    "ob_id": 27613,
    "uuid": "4a1d547929d44698b91e0d75d417220b",
    "title": "APHH: Simulated photolysis rates using the Fast-JX model at the IAP-Beijing site during the winter and summer campaigns",
    "abstract": "This dataset contains Simulated Photolysis rates using the Fast-JX model at the IAP-Beijing site during the winter and summer APHH-Beijing campaign for the Atmospheric Pollution & Human Health in a Chinese Megacity (APHH) programme.\r\n\r\nFast-JX column photolysis model was used at Lancaster University  to simulate column profiles of photolysis rates (JO3 and JNO2) centred on the Institute of Atmospheric Physics (IAP) tower site in Beijing. The photolysis rate profiles are simulated under different aerosol loadings to represent the optical effects of individual species and cloud cover on photochemistry.",
    "keywords": "APHH, photolysis, Fast-JX model, IAP, Beijing",
    "publicationState": "published",
    "dataPublishedTime": "2019-07-26T14:32:24",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/27611/?format=api",
        "dataPath": "/badc/aphh/data/beijing/lanc-fastjx",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 12008154,
        "numberOfFiles": 3,
        "fileFormat": "Data are netCDF formatted."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/7399/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/1856/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50542/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50543/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60911/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60912/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60913/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60914/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60915/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60916/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60917/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60918/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60919/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60920/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60921/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60922/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60923/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60924/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60925/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60926/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60927/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60928/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/60929/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/62353/?format=api"
    ],
    "dataLineage": "Data produced by APHH project participants at Lancaster University and uploaded to CEDA archive.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/24808/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/24817/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115461/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115418/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115420/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115421/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115423/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115424/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115426/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/115419/?format=api"
    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": null,
    "procedureComputation": "https://api.catalogue.ceda.ac.uk/api/v2/computations/27612/?format=api",
    "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"
        }
    ]
}