Computer Graphics - Exam Paper November 2005 - Computer Science - 6th Semester, Exams of Computer Graphics and Animation

Download Computer Graphics - Exam Paper November 2005 - Computer Science - 6th Semester and more Exams Computer Graphics and Animation in PDF only on Docsity! BTS(C) -VI - (8) - 05 ~ 074(C) B.Tech. Degree VI Semester (Supplementary) Examination, November 2005 CS 603 COMPUTER GRAPHICS (2002 Admissions } Time: 3 Hours Maximum Marks: 100 T ay Explain Bresenham’s fine drawing algorithm. (10) b) Explain anti-aliasing techniques. (19) OR ul a) Write down an algorithm based on boundary fill to fill the polygon. (10) b) Explain midpoint circle drawing algorithm, Illustrate the algorithm with centre (2,3) and radius 2 cm, (10) Tl a) What are the basic transformations? Give the homogeneous matrix representations for each. (10) b) Find two dimensional transformation that represent rotation of an object by 60° about the origin. What are the new co-ordinates of the point P(2,-4) after rotation. (10) . OR WV a) Explain Sutherland Hodgeman algorithm for clipping a polygon. (16) b) Give the matrix representation of reflection about the line y=x and yx. qo) Vv a) Explain the use of fractal geometry in graphics. (10) b) What are the basic 3D transformations? Give the matrix representations for each. (10) OR VI a) Explain B-spline curves. What is the difference between uniform and non-uniform B-Spline curves. (10) by Describe how a 3D object is presented on the sercen using perspective projection, (io) Vu a) Explain depth buffer and A-bufTer method for visible surface detection in 3D graphics. (10) b) Explain scan line method for visible surface detection (0) OR VEL a) Explain the follawing algorithm for visible surface detection. i Octree methud ii) Ray-Casting method iii) Area sub division method. (20) IX a) Explain RGB and HSV culour models. (10) b) What are the various techniques in creating animation, (10) OR x Write short notes on: i) VRML ii) Morphing iii) Wireftame model iv) Mlumination model (20) Hie