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Translation, Rotation and Scaling - output primitives
1. Two basic approaches used in character generation are - Bitmap method and outline method.
2. All 2D geometric transformations can be obtained by using appropriate combinations of three primitive transformations (i) translation (ii) rotation (iii) scaling. Shear and reflection are two important transformations which can also be derived from primitive transformations. But looking into their vast applications, they are discussed separately and are treated as primitive transformations in many graphics packages.
Algorithms for Identification of Observable Objects There are various algorithms for identification of observable objects for various types of applications. Several methods ne
To transform from the world coordinate system to viewing coordinate system you need to perform the following operations. a) Translate the viewing coordinate origin to the worl
explain about raster in cg
Ray Tracing - polygon rendering and ray tracing methods "Ray tracing" is a technique of following the light by the eye to the light source. While ray casting only relates its
Types of Basic Tools Different types of basic tools for creating and editing multimedia components are: Drawing and Painting tools Image editing tools OCR softwar
Differentiate among interpolation spline and approximation spline? When the spline curve passes by all the control points then it is known as interpolate. When the curve is
Types of Light Resources - illumination Model Let us discuss about the types of light resources. The light sources can not merely be natural like light from Sun or Moon or Sta
Suppose P be the point object along with the coordinate (x,y,z). We want to translate such object point to the new position as, P'(x',y',z') through the translation Vector as V=t x
Picture Information - Raster Graphics and Clipping Now, the picture information is accumulated in the form of bit plans on which all bit plane complete information of pictur
consider a mesh
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