Tweening
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Tweening
Inbetweening, also known as tweening, is a process in animation that involves creating intermediate frames, called inbetweens, between two keyframes. The intended result is to create the illusion of movement by smoothly transitioning one image into another. Traditional animation Traditional inbetweening involves the use of a light table to draw a set of pencil and paper drawings. The process of inbetweening in traditional animation starts with a primary artist, who draws key frames to define movement. After the testing and approval of a rough animation, the scene is passed down to assistants, who perform clean-up and add necessary inbetweening. In large studios, assistants usually add breakdowns, which define the movement in more detail. The scene is then passed down to another assistant, the inbetweener who completes the animation. In small animation teams, animators will often carry out the full inbetweening process themselves. Dick Huemer developed this system in the 1920s, a ...
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Tweening
Inbetweening, also known as tweening, is a process in animation that involves creating intermediate frames, called inbetweens, between two keyframes. The intended result is to create the illusion of movement by smoothly transitioning one image into another. Traditional animation Traditional inbetweening involves the use of a light table to draw a set of pencil and paper drawings. The process of inbetweening in traditional animation starts with a primary artist, who draws key frames to define movement. After the testing and approval of a rough animation, the scene is passed down to assistants, who perform clean-up and add necessary inbetweening. In large studios, assistants usually add breakdowns, which define the movement in more detail. The scene is then passed down to another assistant, the inbetweener who completes the animation. In small animation teams, animators will often carry out the full inbetweening process themselves. Dick Huemer developed this system in the 1920s, a ...
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Computer Animation
Computer animation is the process used for digitally generating animations. The more general term computer-generated imagery (CGI) encompasses both static scenes (still images) and dynamic images (moving images), while computer animation refers to moving images. Modern computer animation usually uses 3D computer graphics to generate a three-dimensional picture. The target of the animation is sometimes the computer itself, while other times it is film. Computer animation is essentially a digital successor to stop motion techniques, but using 3D models, and traditional animation techniques using frame-by-frame animation of 2D illustrations. Computer-generated animations can also allow a single graphic artist to produce such content without the use of actors, expensive set pieces, or props. To create the illusion of movement, an image is displayed on the computer monitor and repeatedly replaced by a new image that is similar to it but advanced slightly in time (usually at a ra ...
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Interpolation (computer Graphics)
In the context of live-action and computer animation, interpolation is inbetweening,{{Cite web, url=https://www.freecodecamp.org/news/understanding-linear-interpolation-in-ui-animations-74701eb9957c/, title=Understanding Linear Interpolation in UI Animation, date=2017-05-14, website=Developer News, language=en, access-date=2019-08-26 or filling in frames between the key frames. It typically calculates the in-between frames through use of (usually) piecewise polynomial interpolation to draw images semi-automatically. For all applications of this type, a set of "key points" is defined by the graphic artist. These are values that are rather widely separated in space or time, and represent the desired result, but only in very coarse steps. The computed interpolation process is then used to insert many new values in between these key points to give a "smoother" result. In its simplest form, this is the drawing of two-dimensional curves. The key points, placed by the artist, are u ...
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Key Frame
In animation and filmmaking, a key frame (or keyframe) is a drawing or shot that defines the starting and ending points of a smooth transition. These are called ''frames'' because their position in time is measured in frames on a strip of film or on a digital video editing timeline. A sequence of key frames defines which movement the viewer will see, whereas the position of the key frames on the film, video, or animation defines the timing of the movement. Because only two or three key frames over the span of a second do not create the illusion of movement, the remaining frames are filled with " inbetweens". Use of key frames as a means to change parameters In software packages that support animation, especially 3D graphics, there are many parameters that can be changed for any one object. One example of such an object is a light (In 3D graphics, lights function similarly to real-world lights. They cause illumination, cast shadows, and create specular highlights). Lights have ...
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Traditional Animation
Traditional animation (or classical animation, cel animation, or hand-drawn animation) is an animation technique in which each frame is drawn by hand. The technique was the dominant form of animation in cinema until computer animation. Process Writing and storyboarding Animation production usually begins after a story is converted into an animation film script, from which a storyboard is derived. A storyboard has an appearance somewhat similar to comic book panels, and is a shot by shot breakdown of the staging, acting and any camera moves that will be present in the film. The images allow the animation team to plan the flow of the plot and the composition of the imagery. Storyboard artists will have regular meetings with the director and may redraw or "re-board" a sequence many times before it meets final approval. Voice recording Before animation begins, a preliminary soundtrack or scratch track is recorded so that the animation may be more precisely synchronized to t ...
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Smear Frames
In animation, smear frames are animation frames that create the illusion of motion blur. Smear frames are used in between key frames. This animation technique has been used since the 1940s. Smear frames are used to stylistically visualize fast movement along a path of motion.Drury, Matthew R., "Creating 3D Smear Frames for Animation" (2016). ''Undergraduate Honors Theses.'' Paper 348. https://dc.etsu.edu/ honors/348 History The earliest, most notable use of smear frames was in the 1942 film The Dover Boys at Pimento University. The nature of smear frames helped to reduce production costs of other motion blur techniques used in earlier cartoons. Developed for 2D animation, smear frames did not evolve much even with the emergence of CG animated films in the 1990s. The more sophisticated, rigged style of animation for CG films was not conducive to smear frames at the time. The earliest most notable use of recognized smear frames in a CG film was 2012’s Hotel Transylvania in whic ...
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Onion Skinning
Onion skinning, in 2D computer graphics, is a technique used in creating animated cartoons and editing movies to see several frames at once. This way, the animator or editor can make decisions on how to create or change an image based on the previous image in the sequence. In traditional animation, the individual frames of a movie were initially drawn on thin onionskin paper over a light source. The animators (mostly inbetweeners) would put the previous and next drawings exactly beneath the working drawing, so that they could draw the 'in between' to give a smooth motion. In computer software, this effect is achieved by making frames translucent and projecting them on top of each other. This effect can also be used to create motion blurs, as seen in ''The Matrix'' when characters dodge bullets. See also * Anime Studio * Adobe Flash * TVPaint * 3ds max Autodesk 3ds Max, formerly 3D Studio and 3D Studio Max, is a professional 3D computer graphics program for making 3D an ...
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Morphing
Morphing is a special effect in motion pictures and animations that changes (or morphs) one image or shape into another through a seamless transition. Traditionally such a depiction would be achieved through dissolving techniques on film. Since the early 1990s, this has been replaced by computer software to create more realistic transitions. A similar method is applied to audio recordings, for example, by changing voices or vocal lines. Early transformation techniques Long before digital morphing, several techniques were used for similar image transformations. Some of those techniques are closer to a matched dissolve - a gradual change between two pictures without warping the shapes in the images - while others did change the shapes in between the start and end phases of the transformation. Tabula scalata Known since at least the end of the 16th century, Tabula scalata is a type of painting with two images divided over a corrugated surface. Each image is only correctly visible ...
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Synfig
Synfig Studio (also known as Synfig) is a free and open-source vector-based 2D animation software. It is created by Robert Quattlebaum with additional contributions by Adrian Bentley. Synfig began as the custom animation platform for Voria Studios (now defunct), and in 2005 was released as free/open source software, under GNU GPL-2.0-or-later. Features As a true front-end and back-end application, it is possible to design the animation in the front-end, ''Synfig Studio'', and to render it at a later time with the backend, ''Synfig Tool'', on another (potentially faster) computer without a graphical display connected. Incremental and parallel rendering with Synfig Tool is supported by some open source render farm management software, such as RenderChan. The goal of the developers is to create a program that is capable of producing "feature-film quality animation with fewer people and resources." The program offers an alternative to manual tweening so that the animator does ...
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Adobe Animate
Adobe Animate (formerly Adobe Flash Professional, Macromedia Flash, and FutureSplash Animator) is a multimedia authoring and computer animation program developed by Adobe Inc. Animate is used to design vector graphics and animation for television series, online animation, websites, web applications, rich web applications, game development, commercials, and other interactive projects. The program also offers support for raster graphics, rich text, audio video embedding, and ActionScript 3.0 scripting. Animations may be published for HTML5, WebGL, Scalable Vector Graphics (SVG) animation and spritesheets, and legacy Flash Player (SWF) and Adobe AIR formats. The developed projects also extend to applications for Android, iOS, Windows Desktop and MacOS. It was first released in 1996 as ''FutureSplash Animator'', and then renamed ''Macromedia Flash'' upon its acquisition by Macromedia. It served as the main authoring environment for the Adobe Flash platform, vector-based soft ...
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Free Software
Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions. Free software is a matter of liberty, not price; all users are legally free to do what they want with their copies of a free software (including profiting from them) regardless of how much is paid to obtain the program.Selling Free Software
(gnu.org)
Computer programs are deemed "free" if they give end-users (not just the developer) ultimate control over the software and, subsequently, over their devices. The right to study and modify a computer program entails that

FOSS
Fos or FOSS may refer to: Companies *Foss A/S, a Danish analytical instrument company * Foss Brewery, a former brewery in Oslo, Norway *Foss Maritime, a tugboat and shipping company Historic houses * Foss House (New Brighton, Minnesota), United States * Foss and Wells House, Jordan, Minnesota, United States *Horatio G. Foss House, Auburn, Maine, United States People * Foss (surname) *Foss Shanahan (1910–1964), New Zealand diplomat * Foss Westcott (1863–1949), English bishop Places *Foss Dyke, a canal in Lincolnshire, England *Foss-Eikeland, a village in Sandnes, Norway *River Foss, a river in North Yorkshire, England, U.K. United States * Foss, Oklahoma, a town **Foss State Park *Foss, Oregon, an unincorporated community *Foss Glacier, a glacier on Mount Hinman, Washington *Foss Peak, Tatoosh Range, Washington *Foss River, a river in Washington Other uses *Foss (band), an El Paso, Texas-based rock band *Foss (cat), the pet of Edward Lear *Free and open-source software ...
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