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/

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

4. Image -> Map

5. Georeferencer
Online service for turning scans into true maps.
Collaboratively.
www.georeferencer.com

6. www.georeferencer.com

7. Calculations from
control points

8. www.georeferencer.com

9. 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+

10. Affine transformation
Traditionaly only with a server with OGC WMS / OGC WMTS
Now possible with HTML5 Canvas, SVG or WebGL

11. Polynomial + TPS
Traditionaly only with a server with OGC WMS / OGC WMTS
Now possible with HTML5 WebGL

12. http://www.georeferencer.com/

13. 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

14. Culture heritage
institutions pilots:
and more...
... universities & research projects ...
Interested to participate?

17. Geographical search
for old maps
The technology is available for integration with web
presentations and online projects.

18. Search engine for maps from libraries
around the world
www.oldmapsonline.org

19. Partners

21. Thank you
participation on research projects
open-source development
culture heritage
email contact:
info@klokantech.com