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/4056/?format=api

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

{
    "ob_id": 4056,
    "uuid": "d80ea7f75faffd71a051a1517f3b2c05",
    "title": "ISLSCP - I, Volume 1: Hydrology and Soil data",
    "abstract": "This CD-ROM set contains the Volume 1 hydrology and soil data collection. The data covers a 24 month period, 1987-1988, and all but one are mapped to a common spatial resolution and grid (1 degree x 1 degree). Temporal resolution for most datasets is monthly; however, a few are at a finer resolution (e.g., 6-hourly). \r\nThis dataset contains data covering:\r\n * Precipitation               \r\n * Hydrology cover         \r\n * River basin streamflow\r\n * Global soil properties  \r\n\r\n",
    "keywords": "ISLSCP, NASA, hydrology, soil",
    "publicationState": "published",
    "dataPublishedTime": "2007-02-14T23:08:18",
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "completed",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/13082/?format=api",
        "dataPath": "/badc/CDs/islscp/islscp_v1/data/hydr_sol/",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 36530985,
        "numberOfFiles": 252,
        "fileFormat": "Data are plain ASCII formatted"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/1154/?format=api",
    "geographicExtent": "https://api.catalogue.ceda.ac.uk/api/v2/bboxes/1/?format=api",
    "nonGeographicFlag": false,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21919/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21955/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21962/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22345/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22346/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22353/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22354/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22355/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22356/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22357/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22359/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25846/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25855/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25870/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25874/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25884/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25885/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25897/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25900/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25905/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25906/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25907/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25911/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25927/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25928/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25929/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25930/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25931/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25932/?format=api"
    ],
    "dataLineage": "CD-ROM was published in 1996, with data obtained over the 24 month period, 1987-1988 by satellite. CEDA-BADC acquired a copy of the CD-ROM and later uploaded its content into the BADC archive for online browsing.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2778/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/4041/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/4038/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19682/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19687/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19681/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19684/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19685/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19686/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19688/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19683/?format=api"
    ],
    "procedureAcquisition": null,
    "procedureCompositeProcess": "https://api.catalogue.ceda.ac.uk/api/v2/composites/13204/?format=api",
    "procedureComputation": null,
    "permissions": [
        {
            "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/2521/?format=api",
            "useLimitation": null,
            "accessConstraints": null,
            "accessCategory": "public",
            "accessRoles": null,
            "label": "public: None group",
            "licenceURL": "https://artefacts.ceda.ac.uk/licences/missing_licence.pdf",
            "licenceClassifications": "unstated"
        }
    ],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}