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Demerit - phong shading or normal vector interpolation shading
Needs lot of computations to determine intensity at a point, hence increases the cost of shading in any implementation.
Three Dimensional Concepts and Display Methods Imagine yourself taking a picture by a camera. What do you normally do? You specify a viewpoint and view direction and then s
3D Primitive and Composite Transformations Previously you have studied and implemented 2D geometric transformations for object definitions in two dimensions. These transformati
Q. What is the difference between tones and tints? Which one component of YIQ color model does black- and- white television use? How can you convert a ZTSC video signal to an RGB s
What is riged body transformation matrix? Show that the composition lf two rotation is additive by concatenating the matrix representation of r (theta 2 ) = R (theta1 + theta 2 ) t
Important point about the De casteljeau algorithm 1) Bezier Curve: P (u) = ................ (1) Here B n,i (u) = n c i u i (1 - u) n-i ..
De Casteljeau algorithm: The control points P 0 , P 1 , P 2 and P 3 are combined with line segments termed as 'control polygon', even if they are not actually a polygon although
Basic Approaches for Visible Surface Determination There are two basic approaches for visible-surface determination, as per if they deal along with their projected images or a
Progressive Scan: Progressive or non-interlaced scanning is a process which displays, transmits or stores moving images wherein, the lines of all frame are drawn in order. It is i
Film Recorders - graphics hardware It is a graphical output device for transferring digital images to photographic films. The easiest film recorders classically work through
Numerical Analysis Packages: generally utilized software is: MatLab. Characteristics: Focus generally on numeric processing. Programming with mathematical skills usuall
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