5 papers
Occlusion-Free Conformal Lensing for Spatiotemporal Visualization in 3D Urban Analytics
Roberta Mota, Julio D. Silva, Fabio Miranda +3
The visualization of temporal data on urban buildings, such as shadows, noise, and solar potential, plays a critical role in the analysis of dynamic urban phenomena. However, in de…
3De Interactive Lenses for Visualization in Virtual Environments
Roberta C. R. Mota, Allan Rocha, Julio Daniel Silva +2
We present 3De lens, a technique for focus+context visualization of multi-geometry data. It fuses two categories of lenses (3D and Decal) to become a versatile lens for seamlessly…
Designing Reality-Based VR Interfaces for Geological Uncertainty
Roberta Mota, Ehud Sharlin, Usman Alim
Inherent uncertainty in geological data acquisition leads to the generation of large ensembles of equiprobable 3D reservoir models. Running computationally costly numerical flow si…
Virtual Reality Lensing for Surface Approximation in Feature-driven DVR
Roberta Mota, Ehud Sharlin, Usman Alim
We present a novel lens technique to support the identification of heterogeneous features in direct volume rendering (DVR) visualizations. In contrast to data-centric transfer func…
Haptic Stylus vs. Handheld Controllers: A Comparative Study for Surface Visualization Interactions
Hamza Afzaal, Usman Alim
Surface visualizations are essential in analyzing three-dimensional spatiotemporal phenomena. Given its ability to provide enhanced spatial perception and scene maneuverability, vi…