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Affine transformationSee transformation.

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Affine transformation[geometry] An affine transformation changes points, polylines, polygons in a plane by scaling, rotating, skewing, or translating coordinates in two or threedimensional spaces preserving points, strai [..]

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Affine transformationRoughly, for two sets of elements X and Y, if f is an affine transformation that takes elements of X to elements of Y, then f looks like y = f(x) = m x + b.

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Affine transformation<mathematics> A linear transformation followed by a translation. Given a matrix M and a vector v, A(x) = Mx + v is a typical affine transformation. (01 Mar 1995)

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Affine transformationGeometric transformation of a Euclidean coordinate system into another (e.g., of digitizer coordinates into national coordinates) with rotation, translation and scaling as the key determining factors. [..]

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