Comments (6)
Do you mean traversing a 2D BVH, or traversing a 3D BVH with a plane instead of a ray?
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Traversing a 3D BVH with a point from an image plane. I consider the 3D BVH useful because the scene primitives still have a Z index.
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If all you need is a 2D BVH, it might make sense not to use this library because BVH nodes can be made smaller, and the split heuristic should probably be changed (the SAH might not represent the cost of your traversal operation well). Seeing this is a not so common use of the library, I'd rather keep this separate if possible. If you want, I can add a NodeIntersector
template parameter to the SingleRayTraverser
class, and you can plug your code there. Not sure if that helps?
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It can stay separate then. I guess it's not too difficult that on the chance that someone else needs it, they can do it themselves with relatively little effort.
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I have refactored the code to allow custom node intersectors in the SingleRayTraverser
class. Let me know if this helps (or not?).
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@madmann91 Yes, that's helpful! That definitely makes it easier to retrofit into a 2D renderer. I'll have to a take another look at the node intersectors you added at some point, looks pretty neat.
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Related Issues (20)
- Identifiers near and far in bvh.h cause issues when precompiled headers are used HOT 3
- config.min_leaf_size > 1 Leads to assertion failure HOT 1
- What is the use case? is it slower than embree? HOT 1
- Cancel build +progress monitor HOT 4
- Consider adding to vcpkg HOT 1
- Ability to re-use BVH allocations? HOT 1
- Adding and Removing elements HOT 1
- Optimize node index serialization HOT 1
- Clarify what primitive data leaf nodes actually store HOT 1
- Potential bug in traversal functions HOT 1
- Possible stale pointer usage in extract_bvh()? HOT 4
- Sweep SAH builder HOT 4
- ReinsertionOptimizer sometimes gets stuck in an infinite loop HOT 16
- Updating node positions and sizes? HOT 3
- Python bindings available? HOT 3
- Fail to build C API with clang HOT 1
- warning C4267: conversion from 'size_t' to 'unsigned int', possible loss of data HOT 1
- box collision detection HOT 1
- Minor nitpick about FMA doc / comment HOT 1
- Using in a gpu context ? HOT 1
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