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Animation and Ray Tracing - cs.cornell.edu
https://www.cs.cornell.edu/courses/cs4620/2012fa/lectures/33animationRaytracing.pdf
To fit an image with n. x× n. ypixels into a rectangle of size (r − l) × (t − b), the pixels are spaced a distance (r − l)/n. xapart horizontally and (t − b)/n. yapart vertically, with a half-pixel space around the edge to center the pixel grid within the image rectangle.
CiteSeerX — Space Time Ray Tracing using Ray …
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.30.5363
However, producing a ray traced image is very expensive; and producing a ray traced animation is often prohibitively expensive. This thesis looks at two techniques for efficiently producing ray traced animations; Glassner's space time hierarchical bounding volume technique, and my space time extension of Arvo and Kirk's ray classification.
Ray Tracing in Curved Space Time - Lockless Inc
http://locklessinc.com/articles/raytracing/
The first step is to model the rays of light as they travel. The problem here is that gravity curves space-time near a black hole. Using simple geometry to calculate intersections no longer is possible. (You might be able to describe the …
Space-Time Ray-Tracing using Ray Classification
http://madbean.com/2005/honours-project/
Backward ray-tracing (or just "ray-tracing") does the opposite: it traces rays out of the camera, bouncing rays backwards through the scene to see if they hit any light sources. This bouncing of rays allows many real-world …
What is ray tracing: Definition and important terms ...
https://www.ionos.com/digitalguide/server/know-how/ray-tracing/
Ray tracing is primarily used in 3D computer graphics and has become more well-known by computer gamers since Nvidia’s RTX graphics card generation was introduced in 2018. With ray tracing that is activated or supported by hardware, it is now possible to create even more effective and realistic light effects in video games. The graphic effects not only include light …
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a wide variety of rendering algorithms for generating digital images. On a spectrum of computational cost and visual fidelity, ray tracing-based rendering techniques from ray casting, recursive ray tracing, distribution ray tracing, photon mapping to path tracing are generally slower and …
3D/Raytracing in After Effects - Videomaker
https://www.videomaker.com/article/c3/17953-3draytracing-in-after-effects/
3D/Raytracing in After Effects. Many After Effects users are adept at using the software package’s ability to animate elements in 3D space, but more often than not, it’s what is referred to as 2.5D. 2.5D is the use of flat, two-dimensional elements in three-dimensional space. The resulting animation gives the illusion of depth because of parallaxing and a consistent …
Ray Tracing | NVIDIA Developer
https://developer.nvidia.com/discover/ray-tracing
Ray Tracing Fundamentals. Ray casting is the process in a ray tracing algorithm that shoots one or more rays from the camera (eye position) through each pixel in an image plane, and then tests to see if the rays intersect any primitives (triangles) in the scene. If a ray passing through a pixel and out into the 3D scene hits a primitive, then the distance along the ray from the origin …
Unity real-time ray tracing for high fidelity reflections ...
https://unity.com/ray-tracing
Unity’s real-time Ray Tracing realistically simulates how light behaves and interacts with physical objects and materials in your scenes. This technological advance enables true global illumination (GI) and ambient occlusion, as well as other effects, whether you want to achieve a photorealistic or stylized look.
Efficient Animation of Sparse Voxel Octrees for Real …
https://arxiv.org/abs/1911.06001
Download PDF Abstract: A considerable limitation of employing sparse voxels octrees (SVOs) as a model format for ray tracing has been that the octree data structure is inherently static. Due to traversal algorithms' dependence on the strict hierarchical structure of octrees, it has been challenging to achieve real-time performance of SVO model animation in …
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