1. The world links into the web
collaborative georeferencing
Raf Buyle

2. fascinated by history

3. Time travelling…

4. Historical Maps

5. MAPS ARE NOT ONLY IMAGES!
• once they are georeferenced, they are much
more attractive and useful
• visualizations, comparing, location, context,
annotations, geographical search...

6. Georeferencing
making historic maps spatial

7. Georeferencing
• Hand made georeferencing = time consuming
• There are more technical approaches how to
georeference old maps, not always clear
workflow
• especially for pre-1850 - you need to keep this
“how”
• GIS software and knowledge necessary

8. Philippe Chrétien Popp
(Utrecht, 20 februari 1805 - Brugge, 3 maart 1879)

9. Historical Maps

10. Attending presentation @ FOSS4G
collaborative online georeferencing

11. Georeferencer.org
• User-friendly online tool: runs in a web
browser
• Simply visit a website, log-in and you can start
• Open for online visitors, organized volunteers,
crowdsourcing
• No GIS software necessary, no local files to
handle

12. Georeferencer.org
Online Georeferencing Tool

13. Georeferencer.org
Google Earth

14. Georeferencer.org
Map Analyst

15. Crowdsourcing

16. Imagine… 3D

17. Source
• FOSS4G 2011
• collaborative online georeferencing
• Petr Prisal

18. Invitation
22 juni 2012
Erfgoedontsluiting 2020
Multifunctioneel en cultuurhistorisch gebruik van
cartografische bronnen
Historische Geografische Informatiesystemen (HisGIS) voor de
culturele en toeristische sector
SteM, V-ict-or, NGI
Where? www.v-ict-or.be