1. (1) Scalable WIM by Li, Fu and Hanson Yinggang Li *, Chi-Wing Fu +, Andrew Hanson * Department of Computer Science * Indiana University + Hong Kong University of Science & Technology Scalable WIM: Effective Exploration in Large- Scale Astrophysical Environments

2. (2) Scalable WIM by Li, Fu and Hanson Travel 13 Billion Light Year Space

3. (3) Scalable WIM by Li, Fu and Hanson Using Miniature Map in VR Linearly Scaled Down World Linearly Scaled Down World manipulating the point-of-view through metaphor manipulating the point-of-view through metaphor Help travel/wayfinding in bounded environment. Help travel/wayfinding in bounded environment.

4. (4) Scalable WIM by Li, Fu and Hanson WIM Map for Space Traveler

5. (5) Scalable WIM by Li, Fu and Hanson System Design Challenges Cover Scales and Sparsity of Universe Cover Scales and Sparsity of Universe Fit into Normalized Depth Buffer (Level-of-Detail) Fit into Normalized Depth Buffer (Level-of-Detail)

6. (6) Scalable WIM by Li, Fu and Hanson User Interaction Challenges Adaptive Speed for fast and smooth travel Adaptive Speed for fast and smooth travel Global/ Local Context Awareness Global/ Local Context Awareness

7. (7) Scalable WIM by Li, Fu and Hanson Rapid transformation of positions and vectors at any arbitrary scale. Rapid transformation of positions and vectors at any arbitrary scale. World Space Power Scaling World Space Power Scaling Providing a consistent and hierarchical structure for the unbounded sparse environment. Providing a consistent and hierarchical structure for the unbounded sparse environment. Power Cues, MST Power Cues, MST Context Knowledge for distance, scales, motion & orientation perception Context Knowledge for distance, scales, motion & orientation perception Overview Map, Eye Space Remapping … Overview Map, Eye Space Remapping … Key Features of Scalable WIM

8. (8) Scalable WIM by Li, Fu and Hanson Foundation developed for the mechanics of multi-scale visualization. Foundation developed for the mechanics of multi-scale visualization. A Transparently Scalable Visualization Architecture for Exploring the Universe, Chi-Wing Fu and Andrew J. Hanson A Transparently Scalable Visualization Architecture for Exploring the Universe, Chi-Wing Fu and Andrew J. Hanson A Transparently Scalable Visualization Architecture for Exploring the Universe A Transparently Scalable Visualization Architecture for Exploring the Universe Very Large Scale Visualization Methods for Astrophysical Data Andrew J. Hanson, Chi-Wing Fu, and E.A. Wernert Very Large Scale Visualization Methods for Astrophysical Data Andrew J. Hanson, Chi-Wing Fu, and E.A. Wernert Very Large Scale Visualization Methods for Astrophysical Data Very Large Scale Visualization Methods for Astrophysical Data Part of Solar Journey project supported in part by NASA grants NAG5-8163, NAG5- 11999, NAG5-13558, and SGI Part of Solar Journey project supported in part by NASA grants NAG5-8163, NAG5- 11999, NAG5-13558, and SGI

9. (9) Scalable WIM by Li, Fu and Hanson Scalable WIM: A 3D Map System

10. (10) Scalable WIM by Li, Fu and Hanson Design and Implementation Continuously Scaling WIM Immersive 1 st person view3rd person view

11. (11) Scalable WIM by Li, Fu and Hanson Power Spatial Scaling Power Scaled Coordinates (PSC) Power Scaled Coordinates (PSC) Map user control to the exponential power Map user control to the exponential power Linear adjusting current spatial scale S WIM Linear adjusting current spatial scale S WIM Camera setting is unaffected during scaling Camera setting is unaffected during scaling Linear scaling the entire world space relative to the current scale S WIM Linear scaling the entire world space relative to the current scale S WIM 1 Unit eye space = world space unit in meter df

12. (12) Scalable WIM by Li, Fu and Hanson Context Cues Power Cube: Nested and Centered Proximity Cue: Dynamic MST Overview Map: Context, Scale manipulation

13. (13) Scalable WIM by Li, Fu and Hanson Context Cues Nested Power Cylinder Proximity Cue: Projection Overview Map

14. (14) Scalable WIM by Li, Fu and Hanson Context Cues Landmark Reference Adaptive Reference

15. (15) Scalable WIM by Li, Fu and Hanson Logarithmic Space Mapping LogSky Logarithmically mapped Eye Space

16. (16) Scalable WIM by Li, Fu and Hanson The Select-and-Go The Select-and-Go Spatial Scaling Spatial Scaling Path-based Path-based Navigation Model

17. (17) Scalable WIM by Li, Fu and Hanson Path Planning Linear Eye Space Logarithmically mapped Eye Space

18. (18) Scalable WIM by Li, Fu and Hanson User interface design principles for exploring sparse space of large scales. User interface design principles for exploring sparse space of large scales. 3D Scalable World-In-Miniature map incorporates continuous spatial scaling to assist travel. 3D Scalable World-In-Miniature map incorporates continuous spatial scaling to assist travel. Context cues customized for wayfinding in virtual astrophysical exploration. Context cues customized for wayfinding in virtual astrophysical exploration. Summary