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Definitions (236)
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abstract class
In object-oriented programming, a class that is meant to be used only as a basis for subclasses. Objects can be created from the subclasses, but not from the abstract class itself. The purpose of an [..]
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affine transform
A transform that preserves parallel lines. That is, when the transform is applied to a pair of lines that are parallel, then the resulting transformed lines are also parallel. An affine transform, T [..]
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alpha blending
Using the alpha component of a color to blend the color with a background color, when the color is drawn over the background color. That is, the new color of a pixel is obtained by blending the draw [..]
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alpha color component
An extra component (that is, one of the numbers that are used to specify a color) in a color model that is not part of the actual color specification. The alpha component is extra information. It is [..]
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ambient color
A material property that represents the proportion of ambient light in the environment that is reflected by a surface.
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ambient light
Directionless light that exists in an environment but does not seem to come from a particular source in the environment. An approximation for light that has been reflected so many times that its ori [..]
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ambient occlusion
A rendering technique that takes into account the fact that ambient light will illuminate different surfaces to varying extents, depending on the degree to which ambient light is blocked, or "o [..]
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anaglyph stereo
A technique for combining stereographic images of a scene, one for the left eye and one for the right eye, into a single image. Typically, the image for the left eye is drawn using only shades of re [..]
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animation
A sequence of images that, when displayed quickly one after the other, will produce the impression of continuous motion or change. The term animation also refers to the process of creating such imag [..]
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anisotropic filtering
A technique for more accurate sampling of texture images, in the case where a pixel on the surface that is being textured corresponds to a non-rectangular region in the texture. Anisotropic filterin [..]
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