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Disadvantages:
1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer.
2) Dependency of device and memory intensive.
3) Wasted calculation upon drawing distant points such are drawn over along with closer points which occupy the similar pixel.
4) Spends time when rendering polygons such are not visible.
5) Needs re-calculations while changing the scale.
define raster scan
OBJECTIVE Since graphics plays a very important role in modern computer application, it is important to know more information about its hardware and software operations. Despite
What does refreshing of the screen mean? Some method is required for maintaining the picture on the screen. Refreshing of screen is completed by keeping the phosphorus glowing
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
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
name some of the standard motion in key frames
Explain about the Computer Based Training CBT makes use of a computer system to train people in numerous applications. It makes use of self-assessment and multimedia with minim
Modelling and Rendering a surface Common practice in modelling and rendering a surface is to approximate it by a polygonal surface. By a polygonal surface we mean a surface whi
Application of animation: There are a variety of utilizations for computer animation. They can vary from fun to practical and educational ones. Medicine, military, entertainment,
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