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/24046/?format=api

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

{
    "ob_id": 24046,
    "uuid": "7ea2135839844ad3897c262f9c599c48",
    "title": "SAFIRE-ATR42 AS43 EUFAR GEOMAD Flight, 2010-08-31: in situ atmospheric measurements",
    "abstract": "In situ atmospheric measurements using the SAFIRE ATR42 Core Instrument suite onboard the ATR42 - SAFIRE aircraft for the GEOMAD - Measuring the geoid over Madeira project (flight reference: as43).\n\nData were collected over the Madeira, Portugal area.\n",
    "keywords": "GEOMAD, EUFAR, aircraft, atmospheric",
    "publicationState": "citable",
    "dataPublishedTime": "2017-01-25T17:05:44.462622",
    "doiPublishedTime": "2018-01-17T09:35:57.017042",
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/24045/?format=api",
        "dataPath": "/badc/eufar/data/projects/geomad/safire-atr42_as43_20100831_geomad",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 992088,
        "numberOfFiles": 3,
        "fileFormat": "Data are netCDF and ENVI Binary formatted. Ancillary files may be plain ASCII or PDF formatted. Image files may be PNG or JPG formatted."
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/6548/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/1716/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/20269/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/50416/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52306/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52307/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52308/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52309/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52310/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52311/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52312/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52313/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52314/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52315/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52316/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52317/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52318/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52319/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52320/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52321/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52322/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52323/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52324/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52325/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52327/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52328/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52329/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/52330/?format=api"
    ],
    "dataLineage": "Data were collected by instrument scientists during the flight before preparation and delivery for archiving at the Centre for Environmental Data Analysis (CEDA).",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/9398/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/19606/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/6382/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/24039/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98653/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98646/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98649/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98650/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98651/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98652/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106100/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/98645/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106101/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105917/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106102/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/24043/?format=api",
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2528/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "http://creativecommons.org/licenses/by/4.0/",
            "licenceClassifications": "any"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}