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CONTENTS


Introduction to Transformations

Transformations, which describe the movement of an object, is the heart of a graphics application. An object in any coordinate system can be considered as a set of points. There are two kinds of transformations viz. Coordinate transformation and Geometric transformation. Coordinate transformation is the movement of the coordinate system while keeping the object stationary. It plays an important role in the instancing or placement of objects, each of which is defined in its own coordinate system. For example, the motion of an automobile against a scenic background in coordinate transformation is obtained by keeping the automobile stationary and moving the background scene. In this chapter, we will be discussing geometric transformation rather than coordinate transformation.

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Priya Asokarathinam /ADVISOR Shoaff