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/1251/?format=api

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

{
    "ob_id": 1251,
    "uuid": "bbd6916225e7475514e17fdbf11141c1",
    "title": "MIDAS UK Hourly Rainfall Data",
    "abstract": "The UK hourly rainfall data describes the rainfall amount (and duration from tilting syphon gauges) during the hour (or hours) ending at the specified time. The data also conatins precipitation amounts, however precipitation measured over 24 hours will not be stored. The data is collected by observation stations across the UK and transmitted within the following message types: NCM, AWSHRLY, DLY3208, SREW, SSER and WAHRAIN. The data spans from 1915 to present.",
    "keywords": "Met Office, MIDAS, UK, meteorology, rainfall, hourly",
    "publicationState": "published",
    "dataPublishedTime": "2006-07-26T15:07:35",
    "doiPublishedTime": null,
    "updateFrequency": "monthly",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/1252/?format=api",
        "dataPath": "/badc/ukmo-midas/data/RH",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 8251886167,
        "numberOfFiles": 114,
        "fileFormat": "Data are ASCII formatted"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/369/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/17/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21941/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25869/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31142/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31144/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31146/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31150/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31161/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31162/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31210/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31211/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31213/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31215/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31217/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31334/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31335/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31336/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/31337/?format=api"
    ],
    "dataLineage": "Data collated by the Met Office and archived in the Met Office's MIDAS database. Data are extracted from a sub-set of available tables and delivered to BADC approximately on a monthly basis as flat files.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/913/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/1186/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/1183/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3915/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3917/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3918/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3919/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/43518/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/43519/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3921/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3916/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/1255/?format=api",
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2532/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "restricted",
            "accessRoles": "ukmo_wx",
            "label": "restricted: ukmo_wx group",
            "licenceURL": "https://artefacts.ceda.ac.uk/licences/specific_licences/ukmo_agreement.pdf",
            "licenceClassifications": "academic"
        },
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2533/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "restricted",
            "accessRoles": "ukmo_wx_gov",
            "label": "restricted: ukmo_wx_gov group",
            "licenceURL": "https://artefacts.ceda.ac.uk/licences/specific_licences/ukmo_agreement_gov.pdf",
            "licenceClassifications": "policy"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}