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Ray Tracing Complex Objects Using Octrees
https://www.cs.swarthmore.edu/~jcarste1/pdfs/octree.pdf
GitHub - AlexanderRipar/Octree_Ray_Tracing: An experimental ...
https://github.com/AlexanderRipar/Octree_Ray_Tracing
An experimental implementation of a compressed Octree along with some CPU-based visualization-algorithms - GitHub - AlexanderRipar/Octree_Ray_Tracing: An experimental ...
Ray Tracing 101: Octrees for faster intersection · Julian Amann
https://vertexwahn.de/2022/03/12/octree/
Efficient intersection between rays and objects can be achieved by using acceleration structures such as octrees. The idea of an octree is to split the space into $8$ equal-sized octants (hence the name). The 2D variant of an octree is a quadtree. Analogous a binary tree can be considered to be the 1D variant of an octree and a quadtree. I use quadtrees in the …
Octree raycasting/raytracing - best ray/leaf ... - Stack …
https://stackoverflow.com/questions/6281415/octree-raycasting-raytracing-best-ray-leaf-intersection-without-recursion
Here's what it looks like when I stop at the root bounds, without using the DDA to traverse the tree: /* find which leaf, if any, the ray intersects. Returns transparency (Color (0,0,0,0)) if no intersection was found. TestValue is a shader constant parameter passed from the caller which is used to dynamically adjust the number of loops the ...
Octree-R: an adaptive octree for efficient ray tracing
https://ieeexplore.ieee.org/abstract/document/485621/
Ray tracing requires many ray-object intersection tests. A way of reducing the number of ray-object intersection tests is to subdivide the space occupied by objects into many nonoverlapping subregions, called voxels, and to construct an octree for the subdivided space. We propose the Octree-R, an octree-variant data structure for efficient ray tracing. The algorithm for …
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