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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,
In contrast to depth-buffer method, here we identify one surface at one time, scan-line method deals along with multiple surfaces. Since it processes each scan-line at one time, al
Engineering: CAD has always been an imperative tool in industry. For illustration in automobile design, CAD could be utilized to model a car. Although with the advent of computer
An 8x8 image f[i,j] has gray levels given by the following equation: f [i , j]= ? i-j ? ; i,j=0,1,2,3,4,5,6,7. a. Calculate the gray level value for all the pixels in the 8x8
Question: (a) Sound often gives the only effective way to convey an idea, elicit an emotion, or dramatise a point. Explain two situations of the use of sound that would be con
Image Space Approach -Approaches for visible surface determination The initial approach as image-space, determines that of n objects in the scene is visible at every pixel in
what is interlaced and non interlaced?
What is cubic spline? Cubic splines are a straight forward extension of the methods underlying parabolic spline. The total curve in this case is a sequence of arcs of cubic ra
Basic Tests - Producing Polygon Surface A few basic tests that must be performed before producing a polygon surface through any graphic package as: 1) All vertexes are list
Need for Video Compression: T he high bit rates that result from the various types of digital video make their transmission through their intended channels very difficult. Eve
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