Bachelor Level/Second Year/Fourth Semester/Science Full Marks:80
Computer Science and Information Technology(CSc.254 ) Pass Marks:32 (Computer Graphics) Time: 3 hours
Candidates are required to give their answer in their own words as far as practicable.
All questions carry equal marks.
Attempt all the questions.
Attempt all the questions.
1.What is a random scan display system? Draw it's block diagram and explain it in detil.
2. What do you mean by homogenous co-ordinate? Explain it with equation and practical application.
3. Explain the following terms with practical applicatios.
(a) 3D Mirror
(b) 2D Rotation
4. Explain in about circle clipping algorithm. Where do you require circle clipping algorithm?
5. How can you draw circle? Explain with algorithm.
6. Explain in detail about polygon table. How can you apply in the case of computer animation?
7. What is the polygon mesh? Explain the application of polygon mesh with example.
8. Justify that hidden surface removal is required in computer graphics. Explain in detail about depth
buffer method.
Or
Explain in detail about scan method. Justify that it is better than depth buffer method.
9. Consider 256 pixel *512 scan lines image with 245-bits true color. If 20 minutes video is required
to capture, calculate the total memory required? What is the color intensity model?
10. Explain in detail about Phong shading. How can you modify Phong shading model?
Or
Explain in detail about Gouraud shading model. Compare it with Phong shading model.
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