TangibleData: Interactive Data Visualization with Mid-Air Haptics
summary
Toolkit combines bare-hand tracking (Leap Motion) with an ultrasound array (Stratos Explore) and VR headset (Oculus Rift) to render 3D scatterplots where points become mid-air haptic sources. Three encodings are implemented: density-to-intensity encoding for cluster density, tetrahedron-based volume→intensity for irregular volumes, and distance-to-tactile for feature seeking. Two user studies (16 participants each) show visual+haptic improves accuracy and often reduces completion time, noise hurts accuracy but not time, and direct touch favors many small targets while indirect touch favors single salient features.
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chapters (15)
- 0:00Intro
- 0:27Immersive Analytics
- 1:23Tangible Interaction for 3D Data Exploration
- 2:12Questions
- 3:00Tangible Data
- 3:56Data Interaction Modes
- 4:35Data Encoding with Haptics - Density
- 5:07Data Encoding with Haptics - Volume
- 5:29Data Encoding with Haptics - Feature Exploration
- 6:09Experimental Design
- 6:41Results - Accuracy
- 6:56Results - Completion Time
- 7:10Results - Subjective Responses
- 7:43Experiment Design
- 8:31Conclusion
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