1. Unfolding
T. Nagel, J. Klerkx, A. Vande Moere, E. Duval
SouthCHI 2013, Maribor
A Library for Interactive Maps and Geovisualizations
in Java and Processing

2. • Need in own research projects
• Teaching to design students
Motivation
See details in paper

3. • Learning
Simple API to create simple sketches.
• Prototyping
Explore data sets.
Quickly develop in an iterative design process.
• Creating
Build applications for a broader audience.
Task Areas
See details in paper

4. Hello World, literally

5. Multitouch interactions

6. Google
Maps
Google
Terrain
Microso0
Aerial
Open
Street
Map
Midnight
Commander
ImmoScout
Heatmap
(CloudMade)
(CloudMade)
Custom map styles

7. Event system

8. My bike rides in Berlin, summer 2012
Supports various data formats
Tracked on smart phone as GPX files

9. Tutorials & Examples

10. Examples: Prototyping

11. Explore data sets

16. Prototype for evaluating Exploding
menu, a novel interaction technique.
Develop prototypes

17. Usage & Survey

18. Downloads
• 3000+ First public release v0.8 (August 2011)
• 5700+ v0.9 (since September 2012)

19. Use in University Courses
• FH Potsdam, Germany
• KU Leuven, Belgium
• IUAV University of Venice, Italy
• Carnegie Mellon, USA
• MIT, USA
• Harvard, USA
• …
(not only by design students, but also by students
in urban planning, GIS, transport, etc)

20. Applications
• Design and dissemination of successful projects
• Collected 50+ Unfolding projects
• Some notably successful visualizations
• Featured in design blogs, magazines, books, …

21. Max Planck Research Network
Moritz Stefaner and Onformative, 2012

22. User Survey
• Online questionnaire
• 37 participants
• Based on ISO to evaluate software & SUS
• Asked about
• Expertise
• Projects & Features
• Satisfaction

23. Satisfaction with Unfolding
See details in paper

24. Results
• Satisfied with basic features, e.g. displaying
maps (97%), enabling zoom + pan (91%), etc.
• Fewer satisfied with more advanced features, e.g.
loading geo-spatial data (54%)
• Satisfied with examples (62%) and tutorials (53%)
See details in paper

25. Results
• Satisfied with Unfolding (91%)
• Achieved what they planned in project (81%)
• Plan to use Unfolding in the future (88%)

26. Applications

28. Live Singapore!

29. http://www.youtube.com/watch?v=wQpTM7ASc-w

30. LiquiData

31. Guy Debord, 1957
The Naked City

32. LiquiData
Gunnar Friedrich, Luis Grass,
Christopher Pietsch, David
Ikuye, Pierre La Baume

34. http://vimeo.com/43120464

35. Conclusion & Future Work

36. Conclusion
• Library with simple API to create maps
• Successful, well accepted
• Users were highly satisfied

37. Unfolding: Future work
• Release v1.0 with new features and tutorials
• Support Processing 2.0

38. Unfolding: Future work
• Release v1.0 with new features and tutorials
• Support Processing 2.0

39. Unfolding: Future work
• Release v1.0 with new features and tutorials
• Support Processing 2.0
• Invite experts to use Unfolding for prototyping

40. Call for Action
• Use it and give feedback
• Request features
• Report bugs
• Suggest examples & tutorials
• Participate in the project

41. Play with it!

42. Till Nagel, FHP & KUL
mail@tillnagel.com – twitter: @tillnm
Thank you.
SouthCHI 2013
2nd July2013, Maribor
Visit http://unfoldingmaps.org