# Books API . layers . annotationData

## Instance Methods

Gets the annotation data.

Gets the annotation data for a volume and layer.

Retrieves the next page of results.

### Method Details

`get(volumeId, layerId, annotationDataId, contentVersion, scale=None, source=None, locale=None, h=None, w=None)`

    Gets the annotation data.

    Args:
      volumeId: string, The volume to retrieve annotations for. (required)
      layerId: string, The ID for the layer to get the annotations. (required)
      annotationDataId: string, The ID of the annotation data to retrieve. (required)
      contentVersion: string, The content version for the volume you are trying to retrieve. (required)
      scale: integer, The requested scale for the image.
      source: string, String to identify the originator of this request.
      locale: string, The locale information for the data. ISO-639-1 language and ISO-3166-1 country code. Ex: 'en_US'.
      h: integer, The requested pixel height for any images. If height is provided width must also be provided.
      w: integer, The requested pixel width for any images. If width is provided height must also be provided.

    Returns:
      An object of the form:

        {
        "annotationType": "A String", # The type of annotation this data is for.
        "kind": "books#annotationdata", # Resource Type
        "updated": "A String", # Timestamp for the last time this data was updated. (RFC 3339 UTC date-time format).
        "volumeId": "A String", # The volume id for this data. *
        "encoded_data": "A String", # Base64 encoded data for this annotation data.
        "layerId": "A String", # The Layer id for this data. *
        "data": "",
        "id": "A String", # Unique id for this annotation data.
        "selfLink": "A String", # URL for this resource. *
      }

`list(volumeId, layerId, contentVersion, locale=None, scale=None, pageToken=None, updatedMin=None, source=None, updatedMax=None, maxResults=None, annotationDataId=None, w=None, h=None)`

    Gets the annotation data for a volume and layer.

    Args:
      volumeId: string, The volume to retrieve annotation data for. (required)
      layerId: string, The ID for the layer to get the annotation data. (required)
      contentVersion: string, The content version for the requested volume. (required)
      locale: string, The locale information for the data. ISO-639-1 language and ISO-3166-1 country code. Ex: 'en_US'.
      scale: integer, The requested scale for the image.
      pageToken: string, The value of the nextToken from the previous page.
      updatedMin: string, RFC 3339 timestamp to restrict to items updated since this timestamp (inclusive).
      source: string, String to identify the originator of this request.
      updatedMax: string, RFC 3339 timestamp to restrict to items updated prior to this timestamp (exclusive).
      maxResults: integer, Maximum number of results to return
      annotationDataId: string, The list of Annotation Data Ids to retrieve. Pagination is ignored if this is set. (repeated)
      w: integer, The requested pixel width for any images. If width is provided height must also be provided.
      h: integer, The requested pixel height for any images. If height is provided width must also be provided.

    Returns:
      An object of the form:

        {
        "nextPageToken": "A String", # Token to pass in for pagination for the next page. This will not be present if this request does not have more results.
        "items": [ # A list of Annotation Data.
          {
            "annotationType": "A String", # The type of annotation this data is for.
            "kind": "books#annotationdata", # Resource Type
            "updated": "A String", # Timestamp for the last time this data was updated. (RFC 3339 UTC date-time format).
            "volumeId": "A String", # The volume id for this data. *
            "encoded_data": "A String", # Base64 encoded data for this annotation data.
            "layerId": "A String", # The Layer id for this data. *
            "data": "",
            "id": "A String", # Unique id for this annotation data.
            "selfLink": "A String", # URL for this resource. *
          },
        ],
        "kind": "books#annotationsdata", # Resource type
        "totalItems": 42, # The total number of volume annotations found.
      }

`list_next(previous_request, previous_response)`

    Retrieves the next page of results.

    Args:
      previous_request: The request for the previous page. (required)
      previous_response: The response from the request for the previous page. (required)

    Returns:
      A request object that you can call 'execute()' on to request the next
      page. Returns None if there are no more items in the collection.