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Ray Tracing Complex Objects Using Octrees
https://www.cs.swarthmore.edu/~jcarste1/pdfs/octree.pdf
Ray / Octree traversal – Jeroen Baert's Blog
https://www.forceflow.be/2012/04/20/ray-octree-traversal/
The most popular bottom-up approach seems to be K. Sung, A DDA Octree Traversal Algorithm for Ray Tracing, Eurographics’91, North Holland-Elsevier, ISBN 0444 89096 3, p. 73-85. Problem is that most DDA Octree …
Octree traversal for raytracing - Graphics and GPU Programming ...
https://gamedev.net/forums/topic/448781-octree-traversal-for-raytracing/3976021/
Hello, I am currently trying to use my octree for some ray tracing. The traversal of the octree requires an unexpected amount of time, taking up to 5 seconds for 2500 rays :-( The number of primitives per leaf is limited to max. 10. The intersection algorithm, called recursively starting at root node:
Single ray traversing an octree node. The traversal …
https://www.researchgate.net/figure/Single-ray-traversing-an-octree-node-The-traversal-algorithm-finds-the-order-of_fig5_261082346
Single ray traversing an octree node. The traversal algorithm, finds the order of intersection of the X (yellow), Y (blue), and Z (gray) mid-planes. As we already know the entry (black) and exit...
A DDA Octree Traversal Algorithm for Ray Tracing - EG
https://diglib.eg.org/handle/10.2312/egtp19911005
A spatial traversal algorithm for ray tracing that combines the memory efficiency of an octree and the traversal speed of a uniform voxel space is described. A new octree representation is proposed and an implementation of the algorithm based on …
Octree traversal for raytracing: integer math - Graphics and GPU ...
https://gamedev.net/forums/topic/457875-octree-traversal-for-raytracing-integer-math/4023491/
Octree traversal for raytracing: integer math Graphics and GPU Programming Programming. Started by Little Russian July 30, 2007 11:38 AM. 3 comments, last by Little Russian 14 years, 8 months ago Advertisement ...
java - Simple octree traversal: How to get the intersection …
https://stackoverflow.com/questions/24721735/simple-octree-traversal-how-to-get-the-intersection-points-with-aabb
The basic algorithmn is the following: Start with the first node if this node is hit, remember the place of the intersection in a sorted list if this node has children check if the child boxes are hit and write every intersection point in a sorted list start with the child box with the nearest intersection point if this box has children too see 4)
Ray Tracing Octree Traversal - tallyprashanth.com
https://tallyprashanth.com/uncategorized/ray-tracing-octree-traversal
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Efficient ray traversal in a sparse voxel octree : raytracing
https://www.reddit.com/r/raytracing/comments/s97qbt/efficient_ray_traversal_in_a_sparse_voxel_octree/
Efficient ray traversal in a sparse voxel octree. ... My ray traversal algorithm is a top-down AABB intersection test using this function, in GLSL: https: ... What I'm most interested in is trying ray tracing, so what RT games or demos best showcase RT abilities? I want to see if it's really as good as Nvidia wants you to believe.
A Stupidly Simple, Fast Octree Traversal Algorithm for …
https://www.reddit.com/r/GraphicsProgramming/comments/9b07kp/a_stupidly_simple_fast_octree_traversal_algorithm/
It is actually the standard way of doing octree traversal and is also used in more recent research such as “Efficient Sparse Voxel Octrees”. The naive algorithm that you first described is a normal way of doing BVH (Bounding Volume Hierarchy) traversal but is unnecessarily inefficient for octrees. 10 level 2 corysama 3 years ago ask r/raytracing.
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