# CS6504 Computer Graphics Nov Dec 2016 Important Questions

Important questions / expected questions for Nov Dec 2016 CS6504 Computer Graphics examinations conducting by Anna University Chennai
B.E./ B.Tech. DEGREE EXAMINATION Nov Dec 2016
05th Semester / Fifth Semester / III Year
Department of CSE
CS6504 Computer Graphics
(Regulation 2013)
Nov Dec 2016 Important Questions

Important 16 Marks Questions with answers (All five units) are listed for CS6504 Computer Graphics Subject

1. Explain the following Video Displays Devices (a) refresh cathode ray tube (b) raster Scan Displays (c) Random Scan Displays (d) Color SRT Monitors

2. Explain Raster scan systems and Raster Scan Systems

3. Write down and explain the midpoint circle drawing algorithm. Assume 10 cm as the radius and co-ordinate as the centre of the circle.

4. Calculate the pixel location approximating the first octant of a circle having centre at (4,5) and radius 4 units using Bresenham’s algorithm

5. Explain Boundary Fill Algorithm?

6. Explain the following basic two dimensional geometric transformations (i) Traslation (ii) Rotation

7. Explain in detail the Sutherland-Hodgeman clipping algorithm with an example.

8. Explain in detail about two dimensional viewing

9. Explain (i) General Pivot point rotation (ii) general Fixed Point Scaling (iii) General Pivot Point Rotation

10. Write about NIcholl-Lee –Nicholl Line clipping algorithm

11. Write short notes on the following visible surface detection methods.(i) Back face detection (ii) Depth –Buffer method (iii)A-Buffer method

12. Write short notes on Polygons ,curved Lines, Quadratic surfaces

13. Explain three dimensional viewing

14. Write short notes on the following hidden surface elimination methods (i) Scan line Method (ii) Painter’s algorithm (iii) BSP-tree method (iv) Area subdivision method

15. Explain the three dimensional display methods

16. Explain in detail the CMY color model.

17. Write notes o RGB and HSV color models.

18. Write notes on halftone patterns and dithering techniques

19. Explain in detail about the properties of light and draw chromaticity diagram

20. Explain in detail Gouraud shading

21. What is Animation? What are the various animation techniques?

22. What is Morphing ? Explain in detail about morphing with an example

23. What is C-curves Explain in detail

24. What is Fractal ? Explain in detail the various fractal

25. What is ray tracing.Explain the setting up the geometry of Ray Tracing