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ScalingScaling is used to change the size of an object. The size can be increased or decreased. The scaling three factors are required Sx Sy and Sz. Sx=Scaling factor in x- direction Matrix for ScalingScaling of the object relative to a fixed pointFollowing are steps performed when scaling of objects with fixed point (a, b, c). It can be represented as below:
Note: If all scaling factors Sx=Sy=Sz.Then scaling is called as uniform. If scaling is done with different scaling vectors, it is called a differential scaling.In figure (a) point (a, b, c) is shown, and object whose scaling is to done also shown in steps in fig (b), fig (c) and fig (d).
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