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  • All gallery keys are optional. If the data does not contain certain information and the key pair (gallery key: data key)  is not set in the mapping file, the corresponding functionality will not be enabled in the gallery.
  • All data keys that are identical to the gallery keys can be omitted - the entry in the gallery mapping file is only required for key names that differ.
  • If the data key is unknown, i.e. the WFS response does not contain it, it is set as a constant parameter during mapping.
SectionGallery KeyNote

Title




event

iFDO icons


Values are based on the iFDO core icons. For a detailed overview, see SOP iFDO Creation Supplement

image-acquisition



image-marine-zone



image-deployment



image-navigation



image-illumination



image-scale-reference



image-quality



image-pixel-magnitude

'image-resolution' in formerly iFDOs


image-spectral-resolution



image-capture-mode



image-license


Overview text


 


z_value

For definition, see O2A specification for GeoCSV (.sdi.csv)


z_type

For definition, see O2A specification for GeoCSV (.sdi.csv)


citation

 


pi_name

 

Main gallery




mime_type

The MIME-Type used to distinguish between media in the gallery. It is based on the source media, not the web preview file (e.g, video/mp4). Consequently, it starts with 'image' or 'video' (e.g., image/jpg, video/octet-stream). Capitalization does not matter.

If not available, auto guessing based on acquisition - if defined, else based on presence of photo_src and video_src.


photo_src

URL to the web version of the photo file. Fallback if scrset is not given or not supported by the browser.

photo_srcset

HTML5 img srcset attribute. Recommended to use width descriptor.

video_src

String or list with strings containing URLs to media representations. Recommended to use a list for streams, where each list item is a fallback if the previous item was not supported in the browser. Example: [
                "hidden.url_stream.dash",
                "hidden.url_stream.hls",
                "hidden.url_stream.video"
            ]


photo_width

Largest width of photo proxy. Observe: if an orientation parameter is present in the exif metadata of a proxy, it will not be considered. Consequently, photo_width must be larger than photo_height to show a proxy in landscape mode.

photo_height

Largest height of photo proxy. Observe: if an orientation parameter is present in the exif metadata of a proxy, it will not be considered. Consequently, photo_width must be smaller than photo_height to show a proxy in portrait mode.

video_width

Largest width of video proxy (same orientation as proxy).

video_height

Largest height of video proxy (same orientation as proxy).

thumbnail_src

URL to the webvtt file. Thumbnails are shown when pointer hovers over video player seek bar. 


cover_src

URL to the video cover.

cover_srcset

HTML5 img srcset attribute. Recommended to use width descriptor.

poster_src

Background poster when loading video in player. If skipped, default viewer based posters are shown.

duration

Video duration in human readable format, i.e., 00:16:45. Shown as overlay on video cover.

Sharing Feature




persistent_identifier

Media identifier used for the sharing feature in the media gallery. Fallbacks exist when not given.

name

File name of the source media file. Assumption: Only once per gallery.

Sharing feature: First fallback if no persistent identifier is given.


date_time

Sharing feature: Second fallback if no persistent identifier is given to calculate a share id (together with coordinates).