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HTML5 WebGL technology and scanned old maps

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Presentation from "Digital Approaches …

Presentation from "Digital Approaches
to Cartographic Heritage" 8th International Workshop
Rome, 19-20 September 2013:
http://xeee.web.auth.gr/ICA-Heritage/2011_2015/Roma2013/

Published in: Technology, Education
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  • 1. HTML5 WebGL technology and scanned old maps Hynek Pridal <hynek.pridal@klokantech.com> Petr Pridal <petr.pridal@klokantech.com> 8th International Workshop Digital Approaches to Cartographic Heritage, ICA Rome, 19-20 September 2013
  • 2. Image -> Map
  • 3. Image -> Map
  • 4. Georeferencer Online service for turning scans into true maps. Collaboratively. www.georeferencer.com
  • 5. www.georeferencer.com
  • 6. Calculations from control points
  • 7. www.georeferencer.com
  • 8. WebGL? Hardware accelerated graphical operations on a web page. Software, which runs on the graphic card (GPU) inside of a web browser. <CANVAS> in HTML5, JavaScript + OpenGL ES 2.0 code 11+
  • 9. Affine transformation Traditionaly only with a server with OGC WMS / OGC WMTS Now possible with HTML5 Canvas, SVG or WebGL
  • 10. Polynomial + TPS Traditionaly only with a server with OGC WMS / OGC WMTS Now possible with HTML5 WebGL
  • 11. http://www.georeferencer.com/
  • 12. Outputs: Map overlays (WMS / WMTS / Google Maps) 3D visualizations (KML / Google Earth) Scan -> Geodata (Tiff -> GeoTiff) Metadata enrichment (MARC 034 / Dublin Core DCMI) Accuracy analysis (MapAnalyst cartometric accuracy) Crowdsourcing or hired workers www.georeferencer.com
  • 13. Culture heritage institutions pilots: and more... ... universities & research projects ... Interested to participate?
  • 14. Geographical search for old maps The technology is available for integration with web presentations and online projects.
  • 15. Search engine for maps from libraries around the world www.oldmapsonline.org
  • 16. Partners
  • 17. Thank you participation on research projects open-source development culture heritage email contact: info@klokantech.com

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