Automatic Creation of Object Hierarchies for Ray Tracing
IEEE Computer Graphics and Applications
Marching cubes: A high resolution 3D surface construction algorithm
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Raytracing irregular volume data
VVS '90 Proceedings of the 1990 workshop on Volume visualization
A polygonal approximation to direct scalar volume rendering
VVS '90 Proceedings of the 1990 workshop on Volume visualization
Octrees for faster isosurface generation
ACM Transactions on Graphics (TOG)
View dependent isosurface extraction
Proceedings of the conference on Visualization '98
Interactive ray tracing for isosurface rendering
Proceedings of the conference on Visualization '98
Tetrahedral projection using vertex shaders
VVS '02 Proceedings of the 2002 IEEE symposium on Volume visualization and graphics
Hardware-Accelerated Reconstruction of Polygonal Isosurface Representations on Unstructured Grids
PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
VV '04 Proceedings of the 2004 IEEE Symposium on Volume Visualization and Graphics
Hardware-Assisted Visibility Sorting for Unstructured Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Multi-level ray tracing algorithm
ACM SIGGRAPH 2005 Papers
Faster Isosurface Ray Tracing Using Implicit KD-Trees
IEEE Transactions on Visualization and Computer Graphics
Distributed Interactive Ray Tracing for Large Volume Visualization
PVG '03 Proceedings of the 2003 IEEE Symposium on Parallel and Large-Data Visualization and Graphics
Acceleration Techniques for GPU-based Volume Rendering
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Hardware-Based Ray Casting for Tetrahedral Meshes
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Ray-Tracing Polymorphic Multidomain Spectral/hp Elements for Isosurface Rendering
IEEE Transactions on Visualization and Computer Graphics
Ray tracing animated scenes using coherent grid traversal
ACM SIGGRAPH 2006 Papers
Progressive Volume Rendering of Large Unstructured Grids
IEEE Transactions on Visualization and Computer Graphics
A Generic and Scalable Pipeline for GPU Tetrahedral Grid Rendering
IEEE Transactions on Visualization and Computer Graphics
Ray tracing deformable scenes using dynamic bounding volume hierarchies
ACM Transactions on Graphics (TOG)
Interactive methods for effective particle visualization
Interactive methods for effective particle visualization
Reconstruction of volume data with quadratic super splines
IEEE Transactions on Visualization and Computer Graphics
Instant ray tracing: the bounding interval hierarchy
EGSR'06 Proceedings of the 17th Eurographics conference on Rendering Techniques
VISSYM'04 Proceedings of the Sixth Joint Eurographics - IEEE TCVG conference on Visualization
Fast ray traversal of tetrahedral and hexahedral meshes for direct volume rendering
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
Interactive particle tracing in time-varying tetrahedral grids
EG PGV'11 Proceedings of the 11th Eurographics conference on Parallel Graphics and Visualization
Ray tracing and volume rendering large molecular data on multi-core and many-core architectures
UltraVis '13 Proceedings of the 8th International Workshop on Ultrascale Visualization
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We describe a system for interactively rendering isosurfaces of tetrahedral finite-element scalar fields using coherent ray tracing techniques on the CPU. By employing state-of-the art methods in polygonal ray tracing, namely aggressive packet/frustum traversal of a bounding volume hierarchy, we can accomodate large and time-varying unstructured data. In conjunction with this efficiency structure, we introduce a novel technique for intersecting ray packetswith tetrahedral primitives. Ray tracing is flexible, allowing for dynamic changes in isovalue and time step, visualization of multiple isosurfaces, shadows, and depth-peeling transparency effects. The resulting system offers the intuitive simplicity of isosurfacing, guaranteed-correct visual results, and ultimately a scalable, dynamic and consistently interactive solution for visualizing unstructured volumes.