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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,
Linking: A hypermedia system and also information in general contains different types of relationships among various information parts. Illustrations of typical relationships comp
What is the maximum number of objects such can be handled via the depth/z- buffer algorithm? Solution : In z-buffer algorithm, an arbitrary number of objects can be handled sin
Scan line algorithm and seed fill algorithm Two basic approaches are followed in area filling on raster systems. In the first approach overlap intervals for scan lines that cr
Define Computer graphics. Computer graphics remains one of the most popular and rapidly growing computer fields. Computer graphics may be explained as a pictorial representati
what is gourand shading
WPG: It is word perfect graphic file that is used via Word Perfect. It first came out with the release of word perfect 5.0. Such files can include bitmaps, line arts and vector gr
Key Frames -Traditional Animation Techniques The senior artists go and draw the main frames of the animation, after a storyboard has been laid out. These main frames are frame
Q: For the following polygon, prepare an initial sorted edge list and then make the active edge list for scan lines y = 5,20,30,35 Coordinates of the vertices are as shown in Figur
what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.
What do you mean by emissive and non-emissive displays? EMISSIVE: The emissive display changes electrical energy into light energy. The plasma panels, thin film ele
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