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CyArc Europe - Introduction and operational framework
CyArk is a non-profit organization dedicated to digitally preserving cultural heritage sites using technologies like laser scanning and 3D modeling. Their mission is to collect and provide open access to digital documentation of over 100 sites internationally. Some threats to these sites include urban sprawl, flooding, arson. CyArk has ongoing projects in Scotland, China, India, and the US. They follow best practices for data collection, processing, archiving, and dissemination. Data is collected using laser scanning, photography, and photogrammetry. It is processed and archived, then made accessible on their website through tools like 3D viewers and interactive applications.
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CyArc Europe - Introduction and operational framework
- 1. DEDICATE Seminar 21 October2013 Adam Frost Introduction and operational framework CyArk Europe is a registered charity in Scotland, number: SC044310
- 2. Our Mission CyArk isdedicated 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.
- 3. Natural and anthropogenicthreats Urban Sprawl Arson Pyramids at Giza, Egypt Sungnyemun Gate, Seoul, South Korea Flooding Piazza San Marco, Venice, Italy
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- 5. Complete or partialsurvey data from over 100 sites internationally CyArk’s progress
- 6. The Royal KasubiTombs | Uganda
- 7. The Scottish Tenproject 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.
- 8. So far, 9cultural heritage sites have been documented, including 5 Scottish sites: New Lanark Neolithic Orkney The Antonine Wall Edinburgh Old and New Town St Kilda
- 9. Working with partnercountries to record 5 international sites (field data for 4 completed): ? ? The Eastern Qing Tombs, China Rani Ki Vav, India Mount The Sydney Rushmore, US Opera House, Australia Unannounced
- 10. CyArk’s operation • Individuallyfunded projects • Philanthropic donations • Working with partners – Skills and knowledge transfer – Dataset donation – In kind support
- 11. Digital documentation overview Project workflow Datacollection Receipt of external data Processing Consumption (deliverables) Dissemination and presentation Archival ingestion and storage Data/metadata management
- 12. Handling data • Appropriateoperational 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
- 13. Data collection Digital documentationtools and methodologies Principal capture techniques include: - Laser scanning survey - HDR digital photography - Photogrammetry
- 14. Processing Data-transformative workflows Field capture Laser scanningdata Photographic/photogrammetric • • • • • • • • Raw scan data import Registration (and georeferencing) RGB colourisation Quality assurance/control Output dataset Input image selection Processing algorithms/software Parameters (texture, resolution settings) Quality assurance/control
- 15. Producing deliverables Common projectoutputs 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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- 17. Archive Practice • • • • Standardising dataset structure Conversionfrom 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
- 18. Dissemination • Database drivenwebsite • 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…
- 19. Web • Project/site information andhistorical context • Links to interactive educational content, lesson plans • Designed to be socialmedia friendly, e.g. unique content URLs and comment system
- 20. SiteManager • Bespoke webbased GIS • Embedded multimedia content with metadata from datasets • Management with content type filters, layers, hierarchies and sub-areas
- 21. 3D viewing tools Churchof St. Trophime, France 3D model & point cloud viewer • Measurable • Perspective / orthographic • RGB/Intensity • Clipping box 1.9m pts 338k pts
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