CyArc Europe - Introduction and operational framework
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Transcript of CyArc Europe - Introduction and operational framework
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DEDICATE Seminar21 October 2013
Adam Frost
Introduction and operational framework
CyArk Europe is a registered charity in Scotland, number: SC044310
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Our Mission
CyArk is dedicated to the digital preservation of cultural heritage sites through the use of innovative methods,
to collect, archive, and provide open access to data created by laser scanning, digital 3D modelling, and
other state of the art technologies.
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Urban SprawlPyramids at Giza, Egypt
ArsonSungnyemun Gate, Seoul, South Korea
FloodingPiazza San Marco,
Venice, Italy
Natural and anthropogenic threats
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The CyArk outline
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CyArk’s progressComplete or partial survey data from over 100 sites internationally
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The Royal Kasubi Tombs | Uganda
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The Scottish Ten project
CyArk, in partnership with Historic Scotland and the Glasgow School of Art’s Digital Design Studio aims to digitally document 5 Scottish UNESCO World Heritage Sites and 5 international cultural heritage sites.
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So far, 9 cultural heritage sites have been documented, including 5 Scottish sites:
New Lanark Neolithic Orkney
The Antonine Wall
Edinburgh Old and New Town
St Kilda
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?
The Eastern Qing Tombs, China
Rani Ki Vav, India
Mount Rushmore, US
The Sydney Opera House, Australia
Unannounced
Working with partner countries to record 5 international sites (field data for 4 completed):
?
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CyArk’s operation
• Individually funded projects• Philanthropic donations• Working with partners – Skills and knowledge transfer– Dataset donation– In kind support
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Data/metadata management
Digital documentation overview
Data collection
Dissemination and presentation
Processing
Consumption (deliverables)
Archival ingestion and storage
Receipt of external data
Project workflow
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Handling data
• Appropriate operational best practice– Ensure file-level metadata is maintained, e.g. Exif– Consistency of RAW and lossless formats– No decimation, reduction, sub-sampling or
compression of data • Security and fixity– Storage redundancy and multiple backups– Monitor integrity of data with checksums
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Data collectionDigital documentation tools and methodologies
Principal capture techniques include:- Laser scanning survey- HDR digital photography- Photogrammetry
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ProcessingData-transformative workflows
Laser scanning data
• Raw scan data import• Registration (and georeferencing)• RGB colourisation• Quality assurance/control
Field capture
Output dataset
Photographic/photogrammetric
• Input image selection• Processing algorithms/software• Parameters (texture, resolution settings)• Quality assurance/control
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Producing deliverables
Common project outputs and media include:
• Rendered animations• Textured 3D models• Architectural CAD
drawings (and other survey outputs)
• Interactive game environments
• Panoramic virtual tours
St Peter ad Vincula, Tower of London
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Digital curation
Internal projects
Deposited & donated projects
Archival ingestion
Dissemination
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ArchivePractice
• Standardising dataset structure• Conversion from proprietary to open formats• Format specific conversion: e.g. Point clouds –
ASCII XYZRGB/I point data• Generating ingestion metadata
System
• Scalable 2PB LTFS with Crossroads Strongbox• Media and data integrity verification (checksum)• Periodic off-site backup to secure, underground
Iron Mountain facility• Data migration
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Dissemination
• Database driven website• Embracing open access– Site multimedia released
under Creative Commons license
– Free access to 3D viewer for point cloud data and 3D models
– Lesson plans (K-12 education)• Developed own tools…
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Web
• Project/site information and historical context
• Links to interactive educational content, lesson plans
• Designed to be social-media friendly, e.g. unique content URLs and comment system
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SiteManager
• Bespoke web based GIS
• Embedded multimedia content with metadata from datasets
• Management with content type filters, layers, hierarchies and sub-areas
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3D viewing tools
3D model & point cloud viewer
• Measurable• Perspective /
orthographic• RGB/Intensity• Clipping box
Church of St. Trophime, France
1.9m pts
338k pts
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Interactive/mobile applications
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Furthering the mission