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Methodological basis for 3D CAD/CAM solid modeling and image rendering
Ray casting is the methodological basis for 3D CAD/CAM solid modeling and image rendering. It is essentially the same as ray tracing for computer graphics
Ray_casting
Image-based volume rendering technique
Volume ray casting, sometimes called volumetric ray casting, volumetric ray tracing, or volume ray marching, is an image-based volume rendering technique
Volume_ray_casting
3D computer graphics rendering method
dividing each ray into smaller ray segments, sampling some function at each step. For example, in volume ray casting the function would access data points
Ray_marching
Simulation of the appearance of being three-dimensional
used to simulate 3D graphics on the SNES. Ray casting is a first person pseudo-3D technique in which a ray for every vertical slice of the screen is sent
2.5D
Determining where a point is in relation to a coplanar polygon
description of the problem in computer graphics shows two common approaches (ray casting and angle summation) in use as early as 1974. An attempt of computer
Point_in_polygon
Rendering method
cost and visual fidelity, ray tracing-based rendering techniques, such as ray casting, recursive ray tracing, distribution ray tracing, photon mapping and
Ray_tracing_(graphics)
Element representing a value on a grid in three dimensional space
iso-surface extraction, however other methods exist as well. Both ray tracing and ray casting, as well as rasterisation, can be applied to voxel data to obtain
Voxel
Producing images of 3D scenes
fractals, may require ray marching instead of basic ray casting. Ray casting can be used to render an image by tracing light rays backwards from a simulated
Rendering_(computer_graphics)
Representing a 3D-modeled object or dataset as a 2D projection
the aligned slices in the off-screen buffer. The technique of volume ray casting can be derived directly from the rendering equation. It provides results
Volume_rendering
Type of program in computer graphics
19, 2021. "Vulkan Ray Tracing Final Specification Release". Blog. Khronos Group. November 23, 2020. Retrieved 2021-02-22. "RTSL: a Ray Tracing Shading Language"
Shader
Graphics mode on the Super NES video game console
Commander Wing 2: Aces High Yoshi's Safari Zoku: The Legend of Bishin Ray casting "The Next Generation 1996 Lexicon A to Z: Mode 7". Next Generation. No
Mode_7
Graphics created using computers
Utah. Also in 1968 Arthur Appel described the first ray casting algorithm, the first of a class of ray tracing-based rendering algorithms that have since
Computer_graphics
Operation in computer graphics
modes, that are used. The concept of an alpha channel was introduced by Alvy Ray Smith and Ed Catmull in the late 1970s at the New York Institute of Technology
Alpha_compositing
Computer graphics technique
to construct a shadow volume, project a ray from the light source through each vertex in the shadow casting object to some point (generally at infinity)
Shadow_volume
Graphics that use a three-dimensional representation of geometric data
Examples of 3-D rendering A 3-D rendering with ray tracing and ambient occlusion using Blender and YafaRay A 3-D model of a Dunkerque-class battleship rendered
3D_computer_graphics
Computer graphics technique
implemented in real-time applications using shaders or offline applications using ray tracing or path tracing. Starting in the 1980s, a number of rendering researchers
Physically_based_rendering
2012 American film
on Blu-ray, DVD and digital". Cinephiled. November 12, 2013. Retrieved August 5, 2014. Casting By at IMDb Casting By at Rotten Tomatoes Casting By at HBO
Casting_By
Depicting depth with levels of darkness
This produces diffused, non-directional lighting throughout the scene, casting no clear shadows, but with enclosed and sheltered areas darkened. The result
Shading
Video game genre
shooters was Wayout. It featured the player trying to escape a maze, using ray casting to render the environment, simulating visually how each wall segment
First-person_shooter
1992 video game
took the unusual approach of creating the displayed graphics through ray casting, in which only the surfaces visible to the player were calculated rather
Wolfenstein_3D
Computer graphics method
nearby pixels and consecutive frames. Like all ray tracing methods, path tracing is based on ray casting, which Arthur Appel used for computer graphics
Path_tracing
Design technique
image is oblique (the rays are not perpendicular to the image plane); but in special cases the result is orthographic (the rays are perpendicular to the
3D_projection
American talent agent, casting director
Johanna Ray is an American casting director and film producer, sometimes credited as "Joanna Ray". She has been nominated for five Artios Awards, and won
Johanna_Ray
Physical point in a raster image
Is Not A Little Square: Microsoft Memo by computer graphics pioneer Alvy Ray Smith. "Pixels and Me", March 23, 2005 lecture by Richard F. Lyon at the
Pixel
Method to draw shadows in computer graphic images
(VSMs) Shadow volume, another shadowing technique Ray casting, a slower technique often used in ray tracing Photon mapping, a much slower technique capable
Shadow_mapping
Sub-field of computer science
composition Nuke Blackmagic Fusion Adobe After Effects Natron Rendering V-Ray RedShift RenderMan Octane Render Mantra Lumion (Architectural visualization)
Computer graphics (computer science)
Computer_graphics_(computer_science)
Type of 3D graphics accelerator
The ray tracing algorithm is inherently suitable for scaling by parallelization of individual ray renders. However, anything other than ray casting requires
Ray_tracing_hardware
Computer graphics shading and rendering technique
method by casting rays from the point p ¯ {\displaystyle {\bar {p}}} and testing for intersection with other scene geometry (i.e., ray casting). Another
Ambient_occlusion
Computer graphics rendering technique
components and then overlays the images. Spectral rendering is often used in ray tracing or photon mapping to more accurately simulate the scene, often for
Spectral_rendering
Group of rendering algorithms used in 3D computer graphics
source (direct illumination), but also subsequent "bounces" where light rays are reflected by other surfaces in the scene (indirect illumination). The
Global_illumination
Visibility in 3D computer graphics
hidden-surface removal, only an aid. Ray tracing Ray tracing attempts to model the path of light rays to a viewpoint by tracing rays from the viewpoint into the
Hidden-surface_determination
Computer software architecture in 3D computer graphics
meant that ray tracing a photo-realistic scene would take tens or hundreds of hours per frame. Algorithms such as Reyes which didn't generally ray trace run
Reyes_rendering
sidelengths that are powers of two. Implicit max-k-d trees are used for ray casting isosurfaces/MIP (maximum intensity projection). The attribute assigned
Implicit_k-d_tree
3D computer graphics image rendering method
graphics chip; only the visible pixels and depth values are stored. Raster scan Ray tracing Z-buffering Television Interface Adaptor, the Atari 2600's chip,
Scanline_rendering
Integral equation
usually come from the left (outgoing) side at other points in the scene (ray casting can be used to find these other points). The radiosity rendering method
Rendering_equation
Algorithm for visible surface determination in 3D graphics
Springer. Archived (PDF) from the original on 2016-08-03. de Berg, Mark (1993). Ray Shooting, Depth Orders and Hidden Surface Removal. Lecture Notes in Computer
Painter's_algorithm
Fundamental unit of a texture map
to be in one spot only. Resel Voxel Andrew Glassner, An Introduction to Ray Tracing, San Francisco: Morgan–Kaufmann, 1989. ISBN 978-0122861604 Linda
Texel_(graphics)
the ray tracing algorithm that replaces rays, which have no thickness, with thick rays. In ray tracing, rays are often modeled as geometric ray with
Cone_tracing
involved are much more complex and therefore expensive than simply casting more rays through the pixel. Cone tracing is a similar technique using a cone
Beam_tracing
Simulation of reflective surfaces
mirrors and shiny surfaces. Accurate reflections are commonly computed using ray tracing whereas approximate reflections can usually be computed faster by
Reflection (computer graphics)
Reflection_(computer_graphics)
Computer graphics rendering method using diffuse reflection
radiosities discovered by each ray. Similarly, in the power formulation, power can be distributed by generating a set of rays from the radiating element in
Radiosity_(computer_graphics)
Interdisciplinary branch of science concerned with presenting scientific data visually
rendering, triangles and polygons in space might be primitives. Ray casting Ray casting is primarily used for realtime simulations, such as those used
Scientific_visualization
1999 video game
the black hole. Outcast's graphics engine is mainly a combination of a ray casting (heightmap) engine, used to render the landscape, and a texture mapping
Outcast_(video_game)
Creating a complex 3D surface or object by combining primitive objects
Professional, pp. 557–558, ISBN 9780201848403, Roth, Scott (1982). "Ray Casting for Modeling Solids". Computer Graphics and Image Processing. 18 (2):
Constructive_solid_geometry
Computer imaging technique
plenoptic function describes the light rays contained in a given volume. It can be represented with seven dimensions: a ray is defined by its position ( x ,
Image-based modeling and rendering
Image-based_modeling_and_rendering
Simulation of light in computer graphics
NVIDIA RTX Ray Tracing Platform". NVIDIA Developer. 2018-03-06. Retrieved 2019-11-08. Reif, J. H. (1994). "Computability and Complexity of Ray Tracing"(PDF)
Computer_graphics_lighting
graphics, the concept of eye beams is resurrected in ray casting in which the bouncing of rays of light cast from a viewpoint around a scene is simulated
Eye_beam
Type of rendering in computer graphics
full physical accuracy. In contrast, biased methods, including traditional ray tracing, sacrifice precision for speed by using approximations that introduce
Unbiased_rendering
2004 video game
Climax London, a studio of former Crawfish Interactive developers, using ray casting technology. Global Star Software announced the game in January 2004 and
Serious_Sam_Advance
American actor
He is the son of the actor Aldo Da Re (stage name Aldo Ray) and the casting director Johanna Ray, a frequent Lynch collaborator. Da Re was born in Los
Eric_Da_Re
searching Orthogonal range searching Simplex range searching Ray casting (not to be confused with ray tracing of computer graphics) Slab method Closest pair
List of combinatorial computational geometry topics
List_of_combinatorial_computational_geometry_topics
Type of raster image in computer graphics
elements often represented heights of columns of voxels rendered with ray casting. In most newer games, the elements represent the height coordinate of
Heightmap
Professional association
The Casting Society, formerly known as the Casting Society of America (CSA), is a professional association of about 1,200 casting directors and associate
Casting_Society
American actor and audiobook narrator
2020). "Zack Snyder's 'Justice League' Actor Ray Porter Recalls "Harsh" Online Comments Over Darkseid Casting". Comicbook.com. Retrieved July 27, 2020. Williams
Ray_Porter
American actor of Puerto Rican descent (born 1984)
Puerto Rico. Barton, Steve (February 11, 2015). "Ash vs. Evil Dead – First Casting News". Dread Central. Gingold, Michael (February 11, 2015). "Bruce Campbell's
Ray_Santiago
Indian filmmaker and writer (1921–1992)
Apur Sansar (The World of Apu) (1959), form The Apu Trilogy. Ray did the scripting, casting, scoring, and editing for the movie and designed his own credit
Satyajit_Ray
K-d tree with two scalar values
nodes. Min/max kd-trees are used for ray casting isosurfaces/MIP (maximum intensity projection). Isosurface ray casting only traverses nodes for which the
Min/max_kd-tree
American computer programmer and video game developer (born 1970)
computer graphics, including "adaptive tile refresh" for Commander Keen, ray casting for Hovertank 3D, Catacomb 3-D, and Wolfenstein 3D, binary space partitioning
John_Carmack
real time. Ray casting Rendering by casting non-recursive rays from the camera into the scene. 2D ray casting is a 2.5D rendering method. Ray marching Sampling
Glossary_of_computer_graphics
Ray-box intersection method
happens ahead or behind the origin of the ray, which might be interesting in applications such as ray casting, where only intersections in front of the
Slab_method
Film genre
Hurricane is not a documentary but a parable." Casting can be controversial for biographical films. Casting is often a balance between similarity in looks
Biographical_film
Medical diagnostic tool
be highlighted or hidden; ray casting used for volume rendering, where each pixel in the 2D image is formed by a single ray of light, is replaced by path
Cinematic_rendering
1986 film by Jonathan Demme
practiced by Ray himself. "BSFC Winners: 1980s". Boston Society of Film Critics. July 27, 2018. Retrieved July 5, 2021. "Nominees/Winners". Casting Society
Something_Wild_(1986_film)
Computer-generated imagery representation technique
storing pre-filtered geometry and appearance data at each level, allowing ray casting to terminate early when voxel size matches screen resolution. Laine,
Sparse_voxel_octree
Line of graphing calculators produced by Texas Instruments
have created internet-based programs like a ChatGPT client, graphical ray-casting software, and a neural network that incorporates primitive artificial
TI-84_Plus_series
Part of a light-field hologram
through double-frustum, oblique slice & dice or polygonal/voxel ray-tracing/ray-casting. Research into efficient generation and compression of hogels may
Hogel
Overview of and topical guide to algorithms
Bresenham's line algorithm Flood fill Scanline rendering Z-buffering Ray casting Ray tracing (graphics) Path tracing Phong shading Texture mapping Bump
Outline_of_algorithms
Simulated physics in video games
this was solved with ray-casting, which does not require the creation of a physical projectile. However, simply shooting a ray in the direction that
Game_physics
2021 British film by Philip Barantini
short film of the same name. It stars Stephen Graham, Vinette Robinson, Ray Panthaki, and Hannah Walters. It is a one-shot film set in a restaurant kitchen
Boiling_Point_(2021_film)
the case often in volume rendering, then image order algorithms (e.g., ray casting) may be more efficient. Some volume-rendering methods do not fit cleanly
Image and object order rendering
Image_and_object_order_rendering
Upcoming film by Christopher Nolan
Universal Pictures by October, and the film was announced in December. Casting occurred from late 2024 through early 2025, and Damon was confirmed for
The_Odyssey_(2026_film)
American actress (1914–2003)
(1936) as Party Guest (uncredited) Hollywood Boulevard (1936) as Terry Ray - Casting Office Secretary (uncredited) Lady Be Careful (1936) as Girl in Sailboat
Ellen_Drew
American actor (1954–2026)
picks up a hitchhiking main character, with a review stating that his casting was one of several in the film showing that director Albert Brooks had
Donald_Gibb
Spatial grid based on a geodesic polyhedron
Xie, Jinrong; Yu, Hongfeng; Ma, Kwan-Liu (2013-06-01). "Interactive Ray Casting of Geodesic Grids". Computer Graphics Forum. 32 (3pt4): 481–490. CiteSeerX 10
Geodesic_grid
Canadian actor (born 1992)
Drew Ray Tanner (born 1992) is a Canadian actor best known for his role as Fangs Fogarty on Riverdale. Tanner was born in Victoria, British Columbia.
Drew_Ray_Tanner
Number of times a curve wraps around a point in the plane
determine if the point is inside the polygon or not. Generally, the ray casting algorithm is a better alternative to the PIP problem as it does not require
Winding_number
1994 video game
adventure game. It is notable that the game's 3D graphics did not use ray casting techniques like Doom, but true texture-mapped polygons that allowed players
Under_a_Killing_Moon
American actor (1926–1991)
to his moral contract. Ray later admitted that producers were scared of casting him in projects because of his drinking. Ray had been popular with Harry
Aldo_Ray
2005 film by Rob Marshall
collaborator John Williams) were praised, but the film was criticized for casting some non-Japanese actresses as Japanese women and for its style over substance
Memoirs_of_a_Geisha_(film)
Type of video game engine
capable of full 3D rendering. Instead, they used 2.5D techniques, such as ray casting, portal rendering or BSP rendering, to create a seemingly 3D environment
First-person_shooter_engine
Irregularity in a metal casting process
A casting defect is an undesired irregularity in a metal casting process. Some defects can be tolerated while others can be repaired, otherwise they must
Casting_defect
Video game-related events in 1990s
popular. Wolfenstein 3D was one of the first video games to feature ray casting with texture mapping, where graphical textures are wrapped around 3D
1990s_in_video_games
American crime drama television series
Ray Donovan is an American crime drama television series created by Ann Biderman for Showtime. The drama, starring Liev Schreiber in the title role, is
Ray_Donovan
Award ceremony for films of 2025
After Another won a leading six awards, including Best Picture and Best Casting, becoming the inaugural recipient for the latter category. Other winners
98th_Academy_Awards
Brand of graphics hardware and software
produce the final image. Tiles are rendered using a process similar to ray-casting. Rays are numerically simulated as if cast onto the triangles associated
PowerVR
Jr., L. H. Figueiredo, and M. Gattass (1999), "Interval methods for ray casting surfaces with affine arithmetic". Proc. SIBGRAPI'99 — 12th Brazilian
Affine_arithmetic
2017 film by the Safdie brothers
recently paroled drug dealer named Ray. Connie tells Crystal he wants to borrow Annie's car to take Ray home. On the way, Ray recounts the story of the day
Good_Time_(film)
1996 film directed by Gregory Hoblit
was offered the role but declined as he found the script "problematic". Casting calls were set in California and England where 2,100 actors were seen for
Primal_Fear_(film)
2002 film by Joe Carnahan
film written and directed by Joe Carnahan, and starring Jason Patric and Ray Liotta (who also co-produced). The plot revolves around the efforts of two
Narc_(film)
(Amanda Ryan) and Celia Daniels (Jaye Griffiths). July saw the arrival of Ray Walters (Joe Absolom). Additionally, several other characters appear throughout
List of Emmerdale characters introduced in 2025
List_of_Emmerdale_characters_introduced_in_2025
editor Raster image processor Rasterisation Ray casting Ray marching Ray-traced ambient occlusion Ray tracing Ray-tracing hardware Real-time computer graphics
List of computer graphics and descriptive geometry topics
List_of_computer_graphics_and_descriptive_geometry_topics
Indian actor from Tollywood (born 1976)
Feluda in the Hoichoi web series Feludar Goyendagiri based on Satyajit Ray's Feluda series, Chandon Chatterjee in Karan Johar's film Rocky Aur Rani Kii
Tota_Roy_Chowdhury
Filmmaking collaborations
music for Blue Velvet, Twin Peaks and Industrial Symphony No. 1. Casting director Johanna Ray worked with Lynch on multiple projects, beginning with Blue Velvet
List of frequent David Lynch collaborators
List_of_frequent_David_Lynch_collaborators
British video game developer
Anthology for Bandai Namco Entertainment, The Quarry for 2K Games, and The Casting of Frank Stone for Behaviour Interactive. Supermassive Games was founded
Supermassive_Games
2014 film by Peter Sattler
Camp X-Ray is a 2014 American drama film written and directed by Peter Sattler in his directorial debut, based on the detention facility Camp X-Ray at the
Camp_X-Ray_(film)
Process of capturing the shape and appearance of real objects
back to front (from volume to image plane). Image-order or ray-casting method: Projecting rays go through volume from front to back (from image plane to
3D_reconstruction
American casting director
Robert J. Ulrich is an American casting director and producer active since the 1980s and best known for casting television shows including Glee, The Boys
Robert J. Ulrich (casting director)
Robert_J._Ulrich_(casting_director)
3D computer graphics program
brought a new animation tool, spline control, along with improvements to ray casting (to enable items in the scene to be precisely positioned on a surface
LightWave_3D
Biographical film by Antoine Fuqua
was announced as the director, and Jaafar was cast as Michael. Further casting took place from January to April 2024. After delays caused by the 2023
Michael_(2026_film)
This is a list of awards and nominations received by the 2004 film Ray. Jamie Foxx was nominated for the Academy Award for Best Actor for this film and
List of accolades received by Ray (film)
List_of_accolades_received_by_Ray_(film)
RAY CASTING
RAY CASTING
Male
Scandinavian
 Variant spelling of Scandinavian Kai, CAY means "lord." Compare with another form of Cay.
Boy/Male
American, Australian, British, Christian, English, German
Gray-haired
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : nickname denoting someone who behaved in a regal fashion or who had earned the title in some contest of skill or by presiding over festivities, from Old French rey, roy ‘king’. Occasionally this was used as a personal name.English : nickname for a timid person, from Middle English ray ‘female roe deer’ or northern Middle English ray ‘roebuck’.English : variant of Rye (1 and 2).English : habitational name, a variant spelling of Wray.Scottish : reduced and altered form of McRae.French : from a noun derivative of Old French raier ‘to gush, stream, or pour’, hence a topographic name for someone who lived near a spring or rushing stream, or a habitational name from a place called Ray.Indian : variant of Rai.
Male
English
Short form of English Raymond, RAY means "wise protector."
Surname or Lastname
English
English : variant spelling of Ray 1–4.
Boy/Male
Hindu
Beam of light
Boy/Male
English Teutonic Biblical Sanskrit
Ram.
Female
Hebrew
(רֵעַ) Hebrew name RAYA means "friend." Compare with another form of Raya.
Girl/Female
Australian, Christian
Sunshine; Bright; Day
Boy/Male
Indian, Telugu
Lord Ram
Boy/Male
Shakespearean
Henry VI, Part 2' Lord Say.
Female
English
English name derived from the vocabulary word, GAY means "happy." Compare with masculine Gay.
Girl/Female
American, German, Hebrew, Latin, Scandinavian
Female Sheep; Ewe; Nickname of Rachel
Female
English
 English name derived from the vocabulary word, DAY means "day." Feminine form of Middle English Daye, meaning "day."
Male
English
Variant spelling of English Ray, RAE means "wise protector."Â
Boy/Male
Scottish American Latin French German English
Grace.
Male
Hebrew
 Variant spelling of Hebrew Rav, RAB means "great" or "teacher." Compare with another form of Rab.
Female
English
English name, possibly derived from the vocabulary word ray, RAE means "sunbeam."
Girl/Female
Scandinavian American
Doe.
Boy/Male
American, British, Christian, Danish, English, Finnish, French, German, Gujarati, Hindu, Indian, Kannada, Latin, Malayalam, Marathi, Scottish, Swedish, Tamil, Telugu
Regal; Counsellor; Abbreviation of Raymond; Advice; Beam of Light; Grace; Well Advised Protector; Wise Protector; Dear Brook; Abbreviation of R
RAY CASTING
RAY CASTING
Male
Arthurian
, sir Hector de Maris; (defender).
Boy/Male
English
Near the Stream; Brook
Male
Danish
, inestimable.
Girl/Female
Tamil
Protecting
Surname or Lastname
English
English : from a short form of the personal name Dennis.
Boy/Male
Tamil
Symbol of smile, Resolute, Brave, Bright
Girl/Female
Muslim
Praise, Prayer, Art
Boy/Male
Bengali, Hindu, Indian, Kannada, Tamil
King of the World
Boy/Male
Indian, Kashmiri, Sanskrit
Janki's Husband; Lord Ram
Boy/Male
Tamil
Victorious, Conquest, Complete victory
RAY CASTING
RAY CASTING
RAY CASTING
RAY CASTING
RAY CASTING
superl.
Gray-haired; gray-headed; of a gray color; hoary.
superl.
Not distilled; as, raw water
n.
One of the component elements of the total radiation from a body; any definite or limited portion of the spectrum; as, the red ray; the violet ray. See Illust. under Light.
a.
Of or pertaining to the laity, as distinct from the clergy; as, a lay person; a lay preacher; a lay brother.
v. i.
To take a position; to come or go; as, to lay forward; to lay aloft.
v. i.
To shine, as with rays.
n.
To send forth or shoot out; to cause to shine out; as, to ray smiles.
superl.
Not tanned; as, raw hides
n.
A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray.
n.
The merrymaking of May Day.
n.
One of a system of diverging lines passing through a point, and regarded as extending indefinitely in both directions. See Half-ray.
n.
One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays.
n.
Right of way. See below.
n.
In a restricted sense, any of the broad, flat, narrow-tailed species, as the skates and sting rays. See Skate.
n.
Faith; as, by my fay.
n.
(Preceded by the) Some day in particular, as some day of contest, some anniversary, etc.
v. i.
To lay snares for rabbits.
n.
A hydraulic ram. See under Hydraulic.
n.
Progress; as, a ship has way.
n.
Length of space; distance; interval; as, a great way; a long way.