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Silicon Graphics - Hardware for computer animation
The SGI platform is one of the most broadly used hardware platforms in professional or broadcast feature computer animation productions. Several of the salient characteristics of Silicon Graphics Inc. computers are that, of the dissimilar types obtainable in the market. Silicon Graphics Inc. computers are really fast, produce excellent outcomes and operate by using the widespread UNIX operating system. SGIs are created by Silicon Graphics, ranging from the common reason Indy, to the high power Indigo2 Extreme® utilized to produce animations, the Onyx that is particularly suited to do complicated calculations. Almost all main production studios utilize SGIs state of the art software as Alias, Wavefront and SoftImage are run on SGIs.
Explain Bresenham s circle drawing algorithm, OR Explain midpoint circle algorithm for scan converting a circle. Midpoint Circle Algorithm 1. Input radius r and circle
Suppose here, one allows 256 depth value levels to be employed. Approximately how much memory would a 512x512 pixel display necessitate to store z-buffer? Solution : A system w
Combined consequence of ambient and diffused reflection At this time the resulting intensity I will be the total sum of the intensities in case 8.3.2 and 8.3.3 we find that:
Algorithm (scan-line): For each scan line perform from step (1) to (3). 1) For all pixels on a scan-line, arrange depth [x]=1.0 i.e. max value and Intensity [x] = background
DV Encoder Type 1 : The video and audio streams are together interfaces by standard DV bit stream. Such format is fully supported through DirectShow which accepts this interleaved
Linearly interpolate - Modeling and Rendering I 4 = I 1 + t (I 2 - I 1 ); here t = (|y 1 - y 2 |)/(|y 1 - y 2 |) I D = I A + t (I B - I A ); here t = (|AD|)/(|AB|)
Bezier curves: Theses are special polynomial curves expressed using Bernstein polynomials. Spline curves are simple extensions of Bézier curves composed of two or more polynom
To reflect the ball off of the polyline, we need to re?ect it off of the segment that had the minimum thit. But the reflection computation depends only on t hit , n, P and v, so th
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
Assumptions for Area Subdivision Method a) ¾ Plane of projection is z=0 plane b) ¾ Orthographic parallel projections c) ¾ Direction of projection as d= (0,0,-1) d
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