Interactive Ray Tracing for Isosurface Rendering
Overview
Video
Outline
Isosurfacing for Analytic Functions
Trilinear Cells are Easier
Isosurfacing for a Trilinear Cell
Why Not Always Use Marching Cubes?
Isosurfacing for a Piecewise Linear Cell
Effects of Direct Cubic Solution
Isosurfacing for a grid of cells
PPT Slide
Previous Ray Tracing for Isosurfaces
Feature Comparison
Shadows
Performance Comparison
How Fast is Ray Tracing?
Optimizations
Parallel Implementation
Hierarchical Data Representation
Two Level Representation
Number of Hierarchy Levels
Data Layout (Bricking)
Combining Hierarchy and Bricking
Indexing
What about that function?
Efficiency of Data Access
Optimization Results
Where time is spent
Results
Summary
Future Work
Email: sparker@cs.utah.edu
Home Page: http://www.cs.utah.edu/~sparker