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cg18 ray tracing.ppt
https://www.eecis.udel.edu/~yu/Teaching/CISC440_S15/handouts/raytrace2.pdf
Ray Tracing Courtesy of Prof. Rasmussen Outline • Recursive rays –Reflection –Refraction • HW #3 details Ray “tracing” for more realism • Ray casting does not account for two important visual phenomena: –Mirror-like surfaces should courtesy of J. Arvo reflectother objects in scene –Transparent surfaces should refractscene objects behind them
Ray tracing - SlideShare
https://www.slideshare.net/dieulinh299/ray-tracing
Ray Tracing 1 2. What is ray tracing • Ray tracing is a technique for rendering three- dimensional graphics with very complex light interactions. This means you can create pictures full of mirrors, transparent surfaces, and shadows, with stunning results. • A very simple method to both understand and implement.
Ray tracing - SlideShare
https://www.slideshare.net/nidhalelabbadi/ray-tracing-44324201
February 5, 2015 31 The basic algorithm is compute u, v, w basis vectors for each pixel do shoot ray from eye point through pixel (x, y) into scene intersect with all surfaces, find first one the ray hits shade that point to compute pixel (x, y)’s color Ray Tracing [email protected] 32. February 5, 2015 32 Ray Tracing [email protected]
Introduction to Ray Tracing - Slides
https://slides.com/sergejkosov/introduction-to-ray-tracing/fullscreen
Recursive ray tracing. What is possible. Rendering. or image synthesis. The process of generating a more or less photorealistic 2D image from a 3D scene as a view from a camera located in that 3D scene by means of a computer program. Efficiency. Photorealism. Efficiency. Photorealism.
PowerPoint Presentation
http://alingerscience.weebly.com/uploads/1/3/3/6/13363389/ray_tracing.pptx
Light rays emanate from an object, strike the mirror, reflect from it, and form an image. Ray Tracing is a graphical method of analyzing the image produced by either concave or convex mirrors. CONCAVE MIRRORS RAY1: The ray emanates from the object parallel to the principal axis. It strikes the mirror and reflects through the focal point.
PPT – Ray Tracing PowerPoint presentation | free to ...
https://www.powershow.com/view4/67336d-NWJjN/Ray_Tracing_powerpoint_ppt_presentation
Ray Tracing in Gaming - Back in 2018, Nvidia introduced Ray tracing, an RT core-based rendering technique that enhances visual effects and shadow reflections by tracing the path of light and simulating pixel coloring. | PowerPoint PPT presentation | free to view.
PPT – Ray Tracing PowerPoint presentation | free to ...
https://www.powershow.com/view4/543971-ODI0Y/Ray_Tracing_powerpoint_ppt_presentation
Ray Tracing Today Basic algorithms Overview of pbrt Ray-surface intersection for single surface Next lecture Acceleration techniques for ray tracing large numbers of ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 543971-ODI0Y
Lecture 10: Real-time ray tracing
http://graphics.cs.cmu.edu/courses/15869/fall2014content/lectures/10_raytracing/10_raytracing_slides.pdf
Trace a ray to compute visibility between two scene points (key component of evaluating rendering equation) Camera Compute v(x, x’) (is there visibility along ray from x to x’) Compute hit = trace(x, x’) (what surface was the !rst hit by ray from …
Ray Tracing Basics
https://web.cse.ohio-state.edu/~shen.94/681/Site/Slides_files/basic_algo.pdf
Basic Ray Tracing Algorithm for every pixel { cast a ray from the eye for every object in the scene find intersections with the ray keep it if closest } compute color at the intersection point} Construct a Ray 3D parametric line p(t) = eye + t (s-eye) r(t): ray equation
Ray Casting
https://inst.eecs.berkeley.edu/~cs184/sp12/slides/lecture16.pdf
Camera Ray Casting (choosing ray directions) Ray-object intersections Ray-tracing transformed objects Lighting calculations Recursive ray tracing Mirror Reflections/Refractions Virtual Viewpoint Virtual Screen Objects Generate reflected ray in mirror direction, Get reflections and refractions of objects Turner Whitted 1980 7 Basic idea
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