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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.
Determine the transformation matrix for: a) Cavalier projection with θ=45 0 , and b) Cabinet projection with θ=30 0 c) Draw the projection of unit cube for all transfor
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
Computations with Phong Shading Computations involved along with Phong Shading: i) Find out average unit normal vector at each polygon vertex. ii) Linearly interpol
QUESTION (a) People want to know design patterns. i) What should their attitude be about design patterns? ii) How can people use design patterns to do a better job?
explain constraints
Applications that can handle Bitmap Data Hundreds of applications are there in the market which can be used to modify or make bitmap data. For illustration: Adobe Photo Shop, C
Two-Point and Three-Point Perspective transformations The two-point perspective projection can be acquired by rotating about one of the principal axis only and projecting upon
applications
Ray Tracing: Ray t racing is the technique to determine which objects in the scene are visible. In this to identify the visible surface for each pixel we continue to bounce the
explain about raster in cg
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