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Orientation Dependence - Modeling and Rendering
The outcomes of interpolated-shading models are dependent of the projected polygon's orientation. Because values are interpolated among vertices and across horizontal scan lines, the results may be different when the polygon is rotated. This consequence is mainly obvious when the orientation modifies slowly among successive frames of an animation. A same problem cab also happens in visible-surface determination while the z value at each point is interpolated by the z values allocated to each vertex. Both issues can be resolved through decomposing polygons into triangles. Instead, the solution is rotation- independent, although expensive, interpolation methods which solve problem without the requirement for decomposition.
1. Compare Bresenham line generation with Digital Differential Analyzer line generation. Ans. Bresenham line generation algorithm is better than Digital Differential Analyze
what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.
Types of Refresh Monitors - Raster Scan and Random Scan There are two types of refresh monitors, i.e. the Raster Scan and Random Scan that will be illustrated separately.
Software for computer animation Whether you might have the excellent hardware in the world, but without a high-quality software package, your hardware can act nothing. There
Question 1: Name at least four file formats and explain in detail what they mean and how they are use? Question 2: What are "Process Colours"? Answer in a single para
Define coherence properties? A coherence property of a scene is a part of a scene by which relate single part of the scene with the other parts of the scene.
Types of Polygon tables curves and surfaces Attribute tables: This table has object information as transparency, surface reflexivity, texture features of an object in the vi
Explain Positioning Techniques in computer Graphics in detail
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
General Perspective transformation w.r.t. an arbitrary center of projection Suppose here that the COP is at C(a,b,c), as demonstrated in Figure. By Figure, the vectors CP
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