Interactive ray tracing of arbitrary implicits with simd interval arithmetic (2007)
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| Venue: | In Proceedings of the 2nd IEEE/EG Symposium on Interactive Ray Tracing |
| Citations: | 12 - 6 self |
BibTeX
@INPROCEEDINGS{Knoll07interactiveray,
author = {Aaron Knoll and Younis Hijazi and Ingo Wald and Charles Hansen and Hans Hagen},
title = {Interactive ray tracing of arbitrary implicits with simd interval arithmetic},
booktitle = {In Proceedings of the 2nd IEEE/EG Symposium on Interactive Ray Tracing},
year = {2007},
pages = {11--18}
}
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Abstract
We present a practical and efficient algorithm for interactively ray tracing arbitrary implicit surfaces. We use interval arithmetic (IA) both for robust root computation and guaranteed detection of topological features. In conjunction with ray tracing, this allows for rendering literally any programmable implicit function simply from its definition. Our method requires neither special hardware, nor preprocessing or storage of any data structure. Efficiency is achieved through SIMD optimization of both the interval arithmetic computation and coherent ray traversal algorithm, delivering interactive results even for complex implicit functions.
