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(PDF) Efficient Ray Tracing of Trimmed NURBS Surfaces
https://www.researchgate.net/publication/246034454_Efficient_Ray_Tracing_of_Trimmed_NURBS_Surfaces
Practical Ray Tracing of Trimmed NURBS Surfaces
https://www.cs.utah.edu/gdc/publications/papers/raynurbs.pdf
ray tracing a nurbs surface proceeds in a series of steps. as a preprocess, the control mesh is flattened using refinement.there are several reasons for this. for newton to converge quadratically, our initial guess for the root (u;v)must be close.by refining the mesh, we can bound the various sub-patches, and use the bounding volume hierarchy (bvh) …
Efficient Ray Tracing of Trimmed NURBS Surfaces - cvut.cz
https://dcgi.fel.cvut.cz/home/havran/ARTICLES/EfremovMasterThesis.pdf
Although ray tracing applications generate realistic images, and trimmed NURBS surface representation is common for computer aided design, they are not usually com- bined together. NURBS surfaces are not used as basic objects in ray tracing applica- tions, because finding ray-NURBS surface intersection is complex problem.
(PDF) Efficient Ray Tracing of Trimmed NURBS Surfaces
https://www.researchgate.net/publication/246034454_Efficient_Ray_Tracing_of_Trimmed_NURBS_Surfaces
Models for raytracing applications are usually supplied by 3 D modeling tools, which predominantly work with NURBS surfaces. Therefore, a model has to …
Optimizing Ray Tracing of Trimmed NURBS Surfaces on …
https://onlinelibrary.wiley.com/doi/10.1111/cgf.14410
Ray tracing of NURBS surfaces has not been widely used in industry due to its computational complexity that hinders achieving real-time performance in practice. We propose novel methods achieving faster point location search needed by trimming in the context of ray tracing trimmed NURBS surfaces.
[PDF] Practical Ray Tracing of Trimmed NURBS Surfaces
https://www.semanticscholar.org/paper/Practical-Ray-Tracing-of-Trimmed-NURBS-Surfaces-Martin-Cohen/4b0199ca3a4668f1f0f1a760f515c9b6dddfaf91
This paper presents a technique that uses graphical compilation to enable fast dynamic tessellation of trimmed NURBS surfaces under highly varying transforms. 46 Ray Tracing Free-Form B-Spline Surfaces Michael A. J. Sweeney, R. Bartels Computer Science, Mathematics IEEE Computer Graphics and Applications 1986 TLDR
(PDF) Practical ray tracing of trimmed NURBS surface
https://www.researchgate.net/publication/2644612_Practical_ray_tracing_of_trimmed_NURBS_surface
A system is presented for ray tracing trimmed NURBS surfaces. While approaches to components are drawn largely from existing literature, their combination within a single framework is novel. This...
Practical Ray Tracing of Trimmed NURBS Surfaces
https://www.tandfonline.com/doi/abs/10.1080/10867651.2000.10487519
Abstract A system is presented for ray tracing trimmed NURBS surfaces. While approaches to components are drawn largely from existing literature, their combination within a single framework is novel. This paper also differs from prior work in that the details of an efficient implementation are fleshed out.
Ray Casting of Trimmed NURBS Surfaces on the GPU …
https://www.uni-weimar.de/fileadmin/user/fak/medien/professuren/Virtual_Reality/documents/publications/Ray_Casting_of_Trimmed_NURBS_Surfaces_on_the_GPU.pdf
This paper demonstrates that direct real-time rendering of trimmed NURBS patches has become possible with current graph- ics hardware. We show how to efficiently implement ray casting for these types of surfaces in a single pass algorithm, which also includes pixel-precise trimming against an exact representation of the trim curves.
Ray Casting of Trimmed NURBS Surfaces on the GPU …
https://www.uni-weimar.de/fileadmin/user/fak/medien/professuren/Virtual_Reality/documents/publications/SIRT06_Ray_Casting_NURBS_on_GPU.pdf
Main Goal Interactive rendering of trimmed NURBS surfaces using ray casting on commodity hardware. Introduction 3 / 21 NURBS INURBS surfaces provide local and explicit control IPrimitives included, e.g. curve, sphere, cone, cube ICompact representation IContinuity between curves and patches ITrimming allows complex boundaries and topologies
Practical ray tracing of trimmed NURBS surfaces
https://dl.acm.org/doi/10.1080/10867651.2000.10487519
Home Browse by Title Periodicals Journal of Graphics Tools Vol. 5, No. 1 Practical ray tracing of trimmed NURBS surfaces. article . Free Access. Practical ray tracing of trimmed NURBS surfaces. Share on. Authors:
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