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/1033/?format=api

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

{
    "ob_id": 1033,
    "uuid": "605975e19ce585889dd9855b8d254b86",
    "title": "MSF experiments",
    "abstract": "These data are held by the BADC for the Natural Environment Research Council (NERC) Molecular Spectroscopy Facility (MSF). MSF provides world-class scientific equipment and support for infrared (IR),visible, and ultraviolet (UV) spectroscopy. The MSF laboratories are used by many UK and international customers in a wide range of research and development programmes. The data are spectra of various atmospheric gases. These data are public.",
    "keywords": "ATMOSPHERICCHEMISTRY ATMOSPHERE",
    "publicationState": "published",
    "dataPublishedTime": "2007-02-20T23:20:02",
    "doiPublishedTime": null,
    "updateFrequency": "",
    "status": "ongoing",
    "result_field": {
        "ob_id": "https://api.catalogue.ceda.ac.uk/api/v2/observations/1034/?format=api",
        "dataPath": "/badc/msf",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 1271051384889,
        "numberOfFiles": 673895,
        "fileFormat": "&lt;div property=\"cedacat:formats\"&gt;\n&lt;div class=\"formats\"&gt;Availability of data&lt;/div&gt;\n&lt;p&gt;\n\nThe MSF Spectroscopic Data are held at the BADC, and can be viewed or downloaded from the  &lt;a href=\"http://badc.nerc.ac.uk/cgi-bin/data_browser/data_browser/badc/msf/\"&gt;data webpage&lt;/a&gt;.&lt;/p&gt;\n&lt;p&gt;The data held covers the following areas:&lt;/p&gt;\n&lt;ul&gt;\n&lt;li&gt;Water vapour line parameters&lt;/li&gt;\n&lt;li&gt;Molecular oxygen absorption cross-sections&lt;/li&gt;\n&lt;li&gt;Molecular oxygen/nitrogen absorption cross-sections&lt;/li&gt;\n&lt;li&gt;Hydrofluorocarbon (HFC) infrared absorption cross-sections&lt;/li&gt;\n&lt;li&gt;Perfluorocarbon (PFC) infrared absorption cross-sections&lt;/li&gt;\n&lt;li&gt;Computer software&lt;/li&gt;\n&lt;/ul&gt;\n&lt;p&gt;Other NERC-funded MSF data will be made available through the BADC shortly.&lt;/p&gt;\n&lt;/div&gt;\n"
    },
    "timePeriod": "https://api.catalogue.ceda.ac.uk/api/v2/times/277/?format=api",
    "geographicExtent": null,
    "nonGeographicFlag": true,
    "phenomena": [
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21771/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21817/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/21823/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/22341/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25383/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25385/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25865/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25866/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/phenomona/25867/?format=api"
    ],
    "dataLineage": "Data are acquired direct from the Molecular Spectroscopy Facility (MSF) at the Rutherford Appleton Laboratory (RAL) as experiments are run, and stored at the BADC.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/754/?format=api"
    ],
    "projects": [
        "https://api.catalogue.ceda.ac.uk/api/v2/projects/877/?format=api"
    ],
    "observationcollection_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observationcollections/1032/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3297/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3298/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3303/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3300/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3301/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3302/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3304/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3299/?format=api"
    ],
    "procedureAcquisition": "https://api.catalogue.ceda.ac.uk/api/v2/acquisitions/1038/?format=api",
    "procedureCompositeProcess": null,
    "procedureComputation": null,
    "permissions": [],
    "discoveryKeywords": [
        {
            "ob_id": 1138,
            "name": "NDGO0003"
        }
    ]
}