CS2401 Computer Graphics Question Bank : dmice.ac.in

Name of the College : DMI College OF Engineering
Subject : Computer Graphics
Website : dmice.ac.in
Document type : Question Bank

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DMI Computer Graphics Question Paper

CS2401- COMPUTER GRAPHICS :
IV Year / Seventh Semester :
Question Bank :

UNIT I

2D PRIMITIVES :
PART A :
1. Define Computer Graphics.
2. Explain any 3 uses of computer graphics applications.
3. What are the advantages & disadvantages of DDA algorithm?
4. Define attribute parameter. Give examples.

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5. What is a line width? What is the command used to draw the thickness of lines.
6. What are the attribute commands for a line color?
7. What is color table? List the color codes.
8. Define translation and translation vector.
9. Define window and view port.
10. What is meant by clipping? Where it happens?

11. What is point clipping and what are its inequalities?
12. What is line clipping and what are their parametric representations?
13. Write down the rotation equation and rotation matrix.
14. Write the matrix representation for scaling, translation and rotation.
15. Draw the block diagram for 2D viewing transformation pipeline.
16. Mention the equation for homogeneous transformation.
17. What is known as composition of matrix?
18. Discuss about the general pivot point rotation?
19. What is known as region codes?
20. Mention the point clipping condition for the Liang-Barsky line clipping.
21. What is called as an exterior clipping?
22. How is the region code bit values determined?

PART B :
1. Consider a line from (0,0) to (6,7).Using simple DDA algorithm,rasterize this line.
2. Plot a circle at origin having centre as (0,0) and radius=8 using Bresenham’s circle algorithm.
3. Plot a circle using mid point algorithm whose radius=3 and center is at (0,0).
4. The input ellipse parameters are rx=8 and ry=6.Using midpoint ellipse method,rasterize this ellipse.
5. Explain in detail about line attributes and character attributeswith neat diagram.
6. Explain the area fill attributes and character attributes.
7. Explain character attributes in detail.
8. Briefly discuss about 2D transformations.
9. Explain matrix representations of 2D transformations.
10. Discuss about composite 2D transformations.
11. Explain cohen- sutherland line clipping.
12. Explain point, line, curve, text, exterior clipping?

UNIT-II

THREE-DIMENSIONAL CONCEPTS :
PART A :
1. What is a parallel projection?
2. Differentiate parallel and perspective projection.
3. What are quadric surfaces?
4. Define super quadrics.
5. What are blobby objects?
6. Define the term spline curve.
7. Write about depth cueing.
8. What is viewing operation?
9. What is meant by projection?
10. What is meant by view reference coordinate systems?
11. What is projected reference point?
12. What is center of projection? What is the other name of it?
13. Where do we use front plane and back plane?
14. What is the necessary of using near plane and far plane?
15. What is called axonometric and isometric projections?
16. Draw the three dimensional transformation pipelines.
17. Explain vanishing point and principal vanishing point.
18. Give the general expression of Bezier Bernstein polynomial?
19. Explain about octree method.
20. What do you mean by viewing.

PART B :
1. Discuss the three-dimensional composite transformation.
2. Differentiate parallel and perspective projection in detail.
3. What are the functions available for 3-d transformation functions?
4. Explain the 3-d transformation for translation, rotation, scaling in detail?
5. Write the matrix representation for 3-d transformation?
6. Explain the pipeline for transforming a view of a world-coordinate scene to device coordinates.
7. Describe the different types of rotation position in 3-d?
8. Compare the parallel and perspective projections?
9. What is a 3-d viewing? Explain with a neat diagram.
10. Write short notes on
(i) Parallel and perspective projection
(ii) Visualization of data sets for scalar field
11. Explain visible surface identification