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Cohen Sutherland algorithm
Point clipping is very simple. All you need to check is whether a point is inside the window extremes in x- and y-directions. For line clipping several algorithms have been introduced over the years and many refinements have also been suggested by people in order to improve the performance of the algorithms. One of the first algorithms that is still being used in applications is Cohen Sutherland algorithm.
Use of Interactive Multimedia in Education Virtual reality, where 3-D experimental training can simulate real situations. Computer simulations of things too expensive,
1. By using Digital Differential Analyzer algorithm draw line segments from point (1,1) to (9,7). Ans. We see that the usual equation of the line is specified by: y = mx+c
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Objectives of Viewing transformation After going through this section, you should be capable to: - Explain the projection; - Classify different types of Perspective and
Light Sources - polygon rendering and ray tracing methods Light Sources are key parts in any ray traced scene, since without them; there would be no rays to trace. Light sour
Trivial Rejection Case of cohen sutherland line clippings Case: it is Trivial Rejection Case; if the logical intersection (AND) of the bit codes of the end points P, Q of
Advantages of Scan line Algorithm: This time and always we are working along with one-dimensional array as: x[0...x_max] for color not a 2D-array like in Z-buffer algorithm.
Phong Model or Phong Specular Reflection Model It is an empirical model that is not based on physics, although physical observation. Phong observed here for extremely shiny su
Consider a raster system with the resolution of 1024 x 768 pixels and the color palette calls for 65,536 colors. What is the minimum amount of video RAM that the computer must have
what are the steps involved in 3D transformation
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