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/24443/?format=api

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

{
    "ob_id": 24443,
    "uuid": "35ad728e1bc04150819ac607a953656a",
    "title": "KIT-ENDURO EUFAR VESSAER Flight, 2012-07-09: in situ atmospheric measurements",
    "abstract": "In situ atmospheric measurements using the KIT Enduro core instruments  onboard the ENDURO - KIT aircraft for the VESSAER - VErtical Structure and Sources of AERosols in the Mediterranean Region project (flight reference: 20120709).\r\n\r\nData were collected over the Corsica, France area.\r\n",
    "keywords": "VESSAER, EUFAR, aircraft, atmospheric",
    "publicationState": "citable",
    "dataPublishedTime": "2017-02-06T15:54:33",
    "doiPublishedTime": "2018-01-17T10:51:00",
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/24442/?format=api",
        "dataPath": "/badc/eufar/data/projects/vessaer/kit-enduro_20120709_vessaer",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 3295526,
        "numberOfFiles": 5,
        "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/6639/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/1931/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56074/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56075/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56076/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56077/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56078/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56079/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56080/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56081/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56083/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56084/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56085/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56086/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56087/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56088/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56089/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56090/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56091/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56092/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56093/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56094/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56095/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56096/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56097/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56098/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56099/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56100/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56101/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56102/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56103/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56104/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56105/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56106/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56107/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56108/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56109/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56110/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56111/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56112/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56113/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56114/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56115/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56116/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56117/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56118/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56119/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56120/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56121/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56122/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56123/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56124/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56125/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56126/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56127/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56128/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56129/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56131/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56132/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56133/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56134/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56135/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56136/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56137/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56138/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56139/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56140/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56141/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56142/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56143/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56144/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56145/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56146/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56147/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56148/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56149/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56163/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56164/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56165/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56166/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56167/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/56168/?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/9457/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/20356/?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/24423/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100079/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100072/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100075/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100076/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100077/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100078/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106370/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/100071/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106371/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106005/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106372/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/24440/?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"
        }
    ]
}