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Ray Tracing Free-Form B-Spline Surfaces | IEEE Journals …
https://ieeexplore.ieee.org/document/4056805
We present a method for using ray tracing to render spline surfaces-one that is suitable for any object generated from control vertices via tensor-product B-splines. The method derives from kajiya's work on ray tracing procedurally defined surfaces1 and makes use of two preprocessing steps. One involves the controlvertex refinement recurrences due to Riesenfeld et. al.2, and the …
Ray Tracing Free-Form B-Spline Surfaces | Semantic …
https://www.semanticscholar.org/paper/Ray-Tracing-Free-Form-B-Spline-Surfaces-Sweeney-Bartels/309b8f2bc6ca8d7dc7d771ce75fe0b654b3ca8d4
We present a method for using ray tracing to render spline surfaces¿one that is suitable for any object generated from control vertices via tensor-product B-splines. The method derives from kajiya's work on ray tracing procedurally defined surfaces1 and makes use of two preprocessing steps. One involves the controlvertex refinement recurrences due to Riesenfeld et. al.2, and the …
Ray Tracing Free-Form B-Spline Surfaces | IEEE Computer …
https://dl.acm.org/doi/10.1109/MCG.1986.276691
We present a method for using ray tracing to render spline surfaces one that is suitable for any object generated from control vertices via tensor-product B-splines. The method derives from kajiya's work on ray tracing procedurally defined surfaces1 and ...
Ray Tracing Free-Form B-Spline Surfaces
https://www.computer.org/csdl/magazine/cg/1986/02/mcg1986020041/13rRUxNmPKT
We present a method for using ray tracing to render spline surfaces?one that is suitable for any object generated from control vertices via tensor-product B-splines. The method derives from kajiya's work on ray tracing procedurally defined surfaces1 and makes use of two preprocessing steps. One involves the controlvertex refinement recurrences due to Riesenfeld et. al.2, and the …
Ray Tracing Free-Form B-Spline Surfaces - INFONA
https://www.infona.pl/resource/bwmeta1.element.ieee-art-000004056805
Ray Tracing Free-Form B-Spline Surfaces We present a method for using ray tracing to render spline surfaces?one that is suitable for any object generated from control vertices via tensor-product B-splines. The method derives from kajiya's work on ray tracing procedurally defined surfaces1 and makes use of two preprocessing steps.
Ray-Tracing B-Spline Surfaces
https://www.sfu.ca/~cjbrown/pdfs/cs779_finalProject.pdf
Create a windowed application that allows the user to create and modify B-Spline surfaces. 2. Allow the loading of B-Spline surface models in the s3d le format. 1 3. Allow the user to ray-trace exactly what is seen in the modeling window. 4. Implement a fast evaluation algorithm for B-Spline surfaces. 5.
Interactive ray tracing of free-form surfaces - ResearchGate
https://www.researchgate.net/publication/220804545_Interactive_ray_tracing_of_free-form_surfaces
I.3.3 [ Computer Graphics ]: Ray Tracing, Free-Form Surfaces 1. INTRODUCTION Free-form surface representations such as splines, NURBS, or sub- division surfaces are an …
Efficient ray tracing for Bezier and B-spline surfaces
https://www.sciencedirect.com/science/article/pii/0097849393900314
Generating realistic pictures by ray tracing requires intersecting the objects with many rays (1 million or more). With Bezier or B-spline surfaces as objects the intersections must be calculated by an iterative method. This paper describes an algorithm that performs these calculations efficiently.
Interactive Ray Tracing of Free-Form Surfaces
https://www.sci.utah.edu/~wald//Publications/2004/freeform/FreeFormRT_Afrigraph2004.pdf
In this paper we present a simple and generic approach for in- teractively ray tracing free-form surfaces based on recursive sub- division and efficient pruning of irrelevant subtrees of the recur- sion tree. In particular we present implementations of this approach for two surface types: cubic Bézier splines, and Loop subdivision surfaces.
Efficient ray tracing for Bezier and B-spline surfaces
https://www.researchgate.net/publication/220250478_Efficient_ray_tracing_for_Bezier_and_B-spline_surfaces
With Bezier or B-spline surfaces as objects the intersections must be calculated by an iterative method. This paper describes an algorithm that performs these calculations efficiently. In a...
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