| Point2D | Simple 2D point and vector type |
| Quasisampler | This is a base class that implements the Quasi-Sampler importance sampling system, as presented in the paper : "Fast Hierarchical Importance Sampling with Blue Noise Properties", by Victor Ostromoukhov, Charles Donohue and Pierre-Marc Jodoin, to be presented at SIGGRAPH 2004 |
| Quasisampler::TileLeafIterator | Leaf iterator for the tile subdivision tree |
| Quasisampler::TileNode | Individual tile elements, which also serve as nodes for the tile subdivision tree |