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Mental Ray
Mental Ray (stylized as mental ray) is a production-quality Ray tracing (graphics), ray tracing application for 3D rendering. Its Berlin-based developer Mental Images (firm), Mental Images was acquired by Nvidia in 2007 and Mental Ray was discontinued in 2017. Mental Ray has been used in many feature films, including ''Hulk (film), Hulk'', ''The Matrix Reloaded & The Matrix Revolutions, Revolutions'', ''Star Wars: Episode II – Attack of the Clones'', ''The Day After Tomorrow'' and ''Poseidon (film), Poseidon''. In November 2017 Nvidia announced that it would no longer offer new Mental Ray subscriptions, although maintenance releases with bug fixes were published throughout 2018 for existing plugin customers. Features The primary feature of Mental Ray is the achievement of high performance through parallelism on both multiprocessor machines and across render farms. The software uses acceleration techniques such as Scanline rendering, scanline for primary visible surface det ...
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Mental Images (firm)
Mental Images GmbH (stylized as mental images) was a German computer-generated imagery (CGI) software company based in Berlin, Germany. In 2007, Nvidia acquired the company and rebranded it as the Nvidia Advanced Rendering Center (ARC). The company continues to provide similar products and technology, offering Artistic rendering, rendering and 3D computer graphics, 3D modeling technology for entertainment, computer-aided design, scientific visualization and architecture. The company was founded in April 1986 in Berlin, Germany, by the physicists and computer scientists Rolf Herken, Hans-Christian Hege, Robert Hödicke and Wolfgang Krüger as well as the economists Günter Ansorge, Frank Schnöckel and Hans Peter Plettner. It was established as a company with limited liability & private limited partnership (GmbH & Co. KG). The Mental Ray software project was initiated in 1986. The first versions of the rendering software were influenced, tested and utilized by the then-sizable comm ...
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Scanline Rendering
Scanline rendering (also scan line rendering and scan-line rendering) is an algorithm for visible surface determination, in 3D computer graphics, that works on a row-by-row basis rather than a polygon-by-polygon or pixel-by-pixel basis. All of the polygons to be rendered are first sorted by the top y coordinate at which they first appear, then each row or scan line of the image is computed using the intersection of a scanline with the polygons on the front of the sorted list, while the sorted list is updated to discard no-longer-visible polygons as the active scan line is advanced down the picture. The main advantage of this method is that sorting vertices along the normal of the scanning plane reduces the number of comparisons between edges. Another advantage is that it is not necessary to translate the coordinates of all vertices from the main memory into the working memory—only vertices defining edges that intersect the current scan line need to be in active memory, ...
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Houdini (software)
Houdini is a 3D animation software application developed by Toronto-based SideFX, who adapted it from the PRISMS suite of procedural generation software tools. The procedural tools are used to produce different effects such as complex reflections, animations and particles system. Some of its procedural features have been in existence since 1987. Houdini is most commonly used for the creation of visual effects in film and television. It is used by major VFX companies such as Walt Disney Animation Studios, Pixar, DreamWorks Animation, Double Negative, ILM, MPC, Framestore, Sony Pictures Imageworks, Illumination Studios Paris, Scanline VFX, Method Studios and The Mill. It has been used in many feature animation productions, including Disney's feature films '' Fantasia 2000'', '' Frozen'', '' Zootopia'' and '' Raya and the Last Dragon''; the Blue Sky Studios film '' Rio'', and DNA Productions' '' Ant Bully''. SideFX also publishes Houdini Apprentice, a limited vers ...
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Autodesk Softimage
Autodesk Softimage is a discontinued 3D computer graphics application, for producing 3D computer graphics, 3D modeling, and computer animation. Now owned by Autodesk and formerly titled Softimage XSI (stylized as Softimage, XSI), the software has been predominantly used in the film, video game, and advertising industries for creating computer generated characters, objects, and environments. Released in August 2000 as the successor to Softimage 3D, Softimage XSI was developed by its eponymous company, then a subsidiary of Avid Technology. On October 23, 2008, Autodesk acquired the Softimage brand and 3D animation assets from Avid for approximately $35 million, thereby ending Softimage Co. as a distinct entity. In February 2009, Softimage XSI was rebranded Autodesk Softimage. A free version of the software, called Softimage Mod Tool, was developed for the game modding community to create games using the Microsoft XNA toolset for PC and Xbox 360, or to create mods for games usin ...
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Revit
Autodesk Revit is a building information modeling software for architects, structural engineers, mechanical, electrical, and plumbing (MEP) engineers, and contractors. The original software was developed by Charles River Software, founded in 1997, renamed Revit Technology Corporation in 2000 and acquired by Autodesk in 2002. The software allows users to design a building and structure and its components in 3D, annotate the model with 2D drafting elements and access building information from the building model's database. Revit is 4D building information modeling (BIM) application capable with tools to plan and track various stages in the building's lifecycle, from concept to construction and later maintenance and/or demolition. Company history Charles River Software was founded in Newton, Massachusetts, on October 31, 1997, by Leonid Raiz and Irwin Jungreis, key developers of PTC's Pro/Engineer software for mechanical design, with the intent of bringing the power of parametr ...
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Cinema 4D
Cinema 4D is a 3D software suite developed by the German company Maxon. Overview As of R21, only a single version of Cinema 4D is available. It replaces all previous variants, including BodyPaint 3D, and includes all features of the past 'Studio' variant. With R21, all binaries were unified. There is no technical difference between commercial, educational, or demo versions. The difference is now only in licensing. 2014 saw the release of Cinema 4D Lite, which came packaged with Adobe After Effects Creative Cloud 2014. "Lite" acts as an introductory version, with many features withheld. This is part of a partnership between the two companies, where a Maxon-produced plug-in, called Cineware, allows any variant to create a seamless workflow with After Effects. The "Lite" variant is dependent on After Effects CC, needing the latter application running to launch, and is only sold as a package component included with After Effects CC through Adobe. Initially, Cinema 4D was develop ...
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3ds Max
Autodesk 3ds Max, formerly 3D Studio and 3D Studio Max, is a professional 3D computer graphics program for making 3D animations, models, games and images. It is developed and produced by Autodesk Media and Entertainment. It has modeling capabilities and a flexible plugin architecture and must be used on the Microsoft Windows platform. It is frequently used by video game developers, many TV commercial studios, and architectural visualization studios. It is also used for movie effects and movie pre-visualization. 3ds Max features shaders (such as ambient occlusion and subsurface scattering), dynamic simulation, particle systems, radiosity, normal map creation and rendering, global illumination, a customizable user interface, and its own scripting language. History The original 3D Studio product was created for the DOS platform by the Yost Group, and published by Autodesk. The release of 3D Studio made Autodesk's previous 3D rendering package AutoShade obsolete. A ...
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Maya (software)
Autodesk Maya, commonly shortened to just Maya (; ), is a 3D computer graphics application that runs on Windows, macOS, and Linux, originally developed by Alias and currently owned and developed by Autodesk. It is used to create assets for interactive 3D applications (including video games), animated films, TV series, and visual effects. History Maya was originally an animation product based on codebase from The Advanced Visualizer by Wavefront Technologies, Thomson Digital Image (TDI) Explore, PowerAnimator by Alias, and ''Alias Sketch!''. The IRIX-based projects were combined and animation features were added; the project codename was Maya. Walt Disney Feature Animation collaborated closely with Maya's development during its production of ''Dinosaur''. Disney requested that the user interface of the application be customizable to allow for a personalized workflow. This was a particular influence in the open architecture of Maya, and partly responsible for its popularity in ...
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Specular Reflection
Specular reflection, or regular reflection, is the mirror-like reflection (physics), reflection of waves, such as light, from a surface. The law of reflection states that a reflected ray (optics), ray of light emerges from the reflecting surface at the same angle to the surface normal as the incident ray, but on the opposing side of the surface normal in the plane formed by the incident and reflected rays. The earliest known description of this behavior was recorded by Hero of Alexandria (Anno Domini, AD c. 10–70). Later, Ibn al-Haytham, Alhazen gave a complete statement of the law of reflection. He was first to state that the incident ray, the reflected ray, and the normal to the surface all lie in a same plane perpendicular to reflecting plane. Specular reflection may be contrasted with diffuse reflection, in which light is scattered away from the surface in a range of directions. Law of reflection When light encounters a boundary of a material, it is affected by the ...
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Photon Mapping
In computer graphics, photon mapping is a two-pass global illumination rendering algorithm developed by Henrik Wann Jensen between 1995 and 2001Jensen, H. (1996). ''Global Illumination using Photon Maps''. nlineAvailable at: http://graphics.stanford.edu/~henrik/papers/ewr7/egwr96.pdf that approximately solves the rendering equation for integrating light radiance at a given point in space. Rays from the light source (like photons) and rays from the camera are traced independently until some termination criterion is met, then they are connected in a second step to produce a radiance value. The algorithm is used to realistically simulate the interaction of light with different types of objects (similar to other photorealistic rendering techniques). Specifically, it is capable of simulating the refraction of light through a transparent substance such as glass or water (including caustics), diffuse interreflection between illuminated objects, the subsurface scattering of light ...
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Global Illumination
Global illumination (GI), or indirect illumination, is a group of algorithms used in 3D computer graphics that are meant to add more realistic lighting Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. Lighting includes the use of both artificial light sources like lamps and light fixtures, as well as natural illumination by capturing daylight. ... to 3D scenes. Such algorithms take into account not only the light that comes directly from a light source (''direct illumination''), but also subsequent cases in which light rays from the same source are reflected by other surfaces in the scene, whether reflective or not (''indirect illumination''). Theoretically, reflections, refractions, and shadows are all examples of global illumination, because when simulating them, one object affects the rendering of another (as opposed to an object being affected only by a direct source of light). In practice, however, only the simulati ...
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Physically Correct Rendering
This is a glossary of terms relating to computer graphics. For more general computer hardware terms, see glossary of computer hardware terms. 0–9 A B C D E F G H I K L M N O P Q R S T ...
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