Vinayaka Missions University 2008 B.E Information Technology Computer Graphics and Multimedia BANK - Question Paper

V.M.K.V. ENGINEERING COLLEGE
DEPARTMENT OF IT
ques. BANK

Branch : IT Batch : 2006 - 2010
Title of the Subject : Computer Graphics and Multimedia
Semester : V

UNIT 1

Part A

1. What do you meant by flood fill algorithm?
2. Mention the attributes for drawing arcs.
3. What is anti aliasing?
4. Mention the purpose of using soft fill.
5. Write the transformation matrix for reflecting both x and y axes.
6. Define shearing.
7. Write the algorithm for point clipping.
8. Name a few polygon clipping algorithms.
9. Differentiate ranging from window and view port.
10. Write the drawbacks of NLN line clipping algorithm over other line clipping algorithms.
11. Mention a few of the circle drawing algorithms.
12. Write the parametric equations for drawing ellipse.
13. What are the different curve types?
14. Mention a few of the algorithms for filling particular area.
15. Define geometric transformation.
16. Name the basic 2 dimensional transformations.
17. How will you enlarge an object in horizontal axis?
18. What are the steps to be followed for general fixed-point scaling?
19. Write the transformation matrix for general pivot-point rotation.
20. Give the matrix representation for shearing.
21. What is window-to-view port transformation?
22. Define clipping.
23. What is polygon clipping?
24. How will you get the mirror image of an object using reflection?
25. Write the matrix representation for 2 consecutive scaling.

PART – B

1. How will you draw a line using Bresenham’s line drawing algorithm? discuss with an example.
2. Mention the attributes for character. provide an example program that demonstrates those attributes.
3. What are the basic transformations for 2 dimensional objects? With an example define every of them.
4. Describe the window to view port coordinate transformation.
5. Explain the Cohen Sutherland line clipping algorithm with suitable example.
6. How will you perform shearing and reflection for 2 dimensional objects.
7. Explain briefly about Liang-barsky line clipping algorithm with an example.
8. How will you generate the circle using mid point circle generating algorithm? define with an example.
9. What are the functions available in C for drawing 1) Line, 2) Circle, 3) Arc 4) Square. Write the function for applying colors for the objects also.
10. What are rigid body transformations? discuss every of them with an example.

UNIT – II

Part A (10*2=20 marks)
1. What are blobby objects?
2. What do you meant by sweep representation?
3. What is composite transformation?
4. Define perspective projection.
5. What are called cavalier projections?
6. Write down the transformation matrix for shearing in z-axis using parallel projection method.

Earning:   Approval pending.