Computer Graphics 2068

Attempt all the questions.(6 x 10 = 60)

1. What is a raster scan display system? Draw its block diagram and explain it in detail.

2. How can you represent 3D viewing? Explain it with equation and practical application.

3. Explain the following terms with practical applications.

(a) 3D Translation

(b) 2D Mirror

4. Where do you require ellipse clipping algorithm? Explain in detail about ellipse clipping algorithm.

5. How can you draw circle? Explain it with algorithm.

6. Explain in detail about polygon table. How can you apply in the case of virtual reality?

7. What do you mean by solid modeling? Explain the process for solid modeling with example.

8. Hidden surface removal is required in computer graphics is very important, justify it. Explain in detail about scan line method.

OR

Explain in detail about scan line method. Justify that it is better than plane equation method.

9. Consider 1024 pixels X 1024 scan lines image with 24-bit true color. If 10 minutes video is required to capture, calculate the total memory required? How can you incorporate shadow in the computer graphics?

10. Differentiate between diffuse reflection and specular reflection. Why do we require shading model? Explain it.

OR

Explain in detail about Phong shading model. Compare it with Gouraud Shading model.