From the preface: Ray tracing is a very active research area with applications in industrial and scientific visualization, photorealistic rendering, feature films, simulation, and much more. These proceedings contain the papers from the IEEE/Eurographics Interactive Ray Tracing Symposium 2007 which took place in Ulm, Germany on September 10-12, 2007. The event followed the first IEEE Symposium on Interactive Ray Tracing 2006 that took place in Salt Lake City, Utah.

Published as: Alexander Keller and Per Christensen, editors, Proceedings of the IEEE/EG Symposium on Interactive Ray Tracing 2007. IEEE / Eurographics, September 2007. (Ulm, Germany, September 10-12.)

Symposium web page: RT07.html

Open problems RT07: The results of the "Open Problems" poll:

- Soft shadows

- Level of detail

- Animation (dynamic models: API / scene graphs)

- Robustness + smoothness

- Efficient antialiasing

- Efficient integration (glossy)

- SIMD >4

- Particle / volume effects

- Displacement

- Hierarchical geometry

- Faster RT on GPUs (special architectures)

- Memory bandwidth

- Real-world cameras

- Educate game developers

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