BSc IT Sem III 2012 2013 2013 CG Question Paper - Mumbai University | munotes

Questions asked in this paper

• iii) Figures to the right indicate marks

1. Q1 Answer the following questions. (any 2)
   • a) Write and explain Raster Scan Display mechanism. Also compare raster scan display with ) b) Define Computer graphics. Explain images & objects. Write a note on image representation
   • c) Write DDA line algorithm. Consider a line AB with A = (-1,0)and B = (-8,4). Apply simple DDA algorithm, and calculate the pixels on line and plot them Answer the following questions.(any 2) [10]
   • a) Explain the concept of rotation about an arbitrary point
   • b) Considering basic 2D transformations, write a note on scaling and translation
   • c) What is reflection ? Considering a unit square in 2D plane situated in origin, perform possible reflections on this square and sketch the results
2. Q3 Answer the following questions. (any 2) 10 marks
   • a) Explain the concept of 3D rotation. Also specify the different matrices of rotation about ) different axes in both clockwise & counter-clockwise direction. é
   • b) Write a note on 3D shear with example
   • c) Explain parrallel projection with its categorization in details
3. Q4 Answer the following questions. (any 2) 10 marks
   • a) clipping ? Explain the concept of Cohen-Sutherland line clipping
   • b) Explain window and viewport. Also draw a 2D graphics Pipeline. What are the steps in
   • c) Explain inside-outside tests and winding number tests with appropriate examples @ Answer the following questions. (any 2) xplain painter's and reverse painter's algorithm. 3 ) What is coherence ? Explain the different types of jassification of visible Explain the terms visible & hidden surface. Also explain Q Answer the following questions. (any 2) ocedural animation. Also
   • a) Define Computer Animation. Write a note on key-frame and Pr
   • b) Explain object. rendering What is morphing ? Explain

Read from the scan above, so a character or two may differ. The scan is the original.