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    - wie funktioniert das mit mapping: item["properties#harmonized"]["persistent_identifier"]. Falls nicht vorhanden über item["properties#harmonized"]["name"] und falls das nicht als Kompbination aus [item["properties#harmonized"]["date_time"], item.geometry.coordinates.join(separator)]


Geo layer

Main idea

O2A specification for GeoCSV (.sdi.csv)

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 upcoming O2A Data Product Configuration SOP


Creating Media Files



MARIVP

Python tool to generate preview files for the marine-data viewer (photos, videos and thumbnails):

  • videos: single video files or video streams (optional with seek bar preview and cover)
  • photos: web-ready photo previews in various resolutions
  • thumbnails: hover preview pictures for the seek bar of web video players
https://codebase.helmholtz.cloud/datahub/marehub/ag-videosimages/marivp
Hotfolder refers to a folder in which media files are temporarily stored, automatically processed (i.e., encoded) and returned - all within a defined structure. FFmpeg is used to encode the media files, the encoding parameters are passed via a configuration file. Within the hotfolder different encoding profiles can be defined, even while the script is running profiles can be created and used immediately.
Web-API which brokers access to elements-content based on image uuid; Implementation of iiif image API https://iiif.io/api/image/3.0/ with elements as data source.
IIIF Image Brokerhttps://cantaloupe-project.github.io/

Recommendation - Video Proxies Parameters

https://codebase.helmholtz.cloud/datahub/marehub/ag-videosimages/hotfolder-encoding

https://codebase.helmholtz.cloud/datahub/marehub/ag-videosimages/imagebroker/image_broker


Hosting Media Files

http2

load balancing

image broker with cache

Viewer

Git repository O2A Spatial Data Products

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displayImage(),

displayVideo(), 

roundNumber?

https://marine-data.de/preview/vef/doc/api/global.html#initVideo

Gallery

Git repository O2A Spatial Data Products

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