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Q. What is a Bezier Curve? What are blending function? Write an algorithm for generating Bezier Curves.
A curve which has the following properties is called Bezier Curve: 1. A curve section which can be filled to any no. of control points. 2. The no. of control points to be approximated and their relative position to determine the degree of the Bezier polynomial. 3. As with the interpolation splines, a Bezier Curve can be specified with boundary conditions, with a characterizing matrix, or with blending function. 4. Suppose we are given N+ 1 control point position: These coordinate points can be blending to produce the following position vector p(u), which describes the path of an approximation Bezier polynomial function between p0 & pn,
Magnify a triangle with vertices A = (1,1), B = (3,1) and C = (2,2) to twice its size in such a way that A remains in its original position. Answer: You need to apply scaling b
Important points about the illumination Model An illumination model is also termed as lighting model and sometimes considered to as shading model, that is utilized to compute
Approaches to Area Filling Some other approaches to area filling are Scan line polygon fill algorithm Boundary fill algorithm Flood fill algorithm.
2-D Viewing and Clipping - Raster Graphics and Clipping In the previous two units of this block, we illustrated the basic elements of computer graphics, that is, the hardware
Associative Links: it is a link that is completely independent of the exact structure of the information. For illustration we have links depends on the meaning of various informat
Object Oriented Tools: In such authoring systems, multimedia components and events turn into objects that live in hierarchical order of parent and child relations. Messages are pa
QUESTION (a) Describe the following Mean Filters used as Noise Reduction filters: 1. Arithmetic Mean Filter. 2. Geometric Mean Filer. 3. Harmonic Mean Filter. You a
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Question 1 Explain Bresenham's Circle Drawing Algorithm Question 2 Derive the matrix for inverse transformation Question 3 Discuss the following Raster Graphic Algorithm
Principal vanishing point write respect to y-axis By the 2nd Row of the matrix as in Equation, the principal vanishing point w.r.t y-axis will as: (0, 5/√2, 0, 1/√2) in hom
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