Q1. prepare down the transformation matrix to get top view of the object on XY plane of the screen.
Q2. The four control points P_{1}(x_{1},y_{1}), P_{2}(x_{2}, y_{2}), P_{3}(x_{3}, y_{3}), P4(x_{4}, y_{4}), are given work out the starting slope of the cubic Bezier curve.
Q3. While performing the polygon scan conversion, describe how do you treat the case if a scan line passes via a vertex of the polygon?
Q4. Define the terms:
a) Foreshortening factor
b) Floating Horizon
c) B-spline curve
Q5. Describe the relative advantages and disadvantages of Z-buffer hidden surface elimination algorithm over the scan line Z-buffer algorithm.
Q6. describe the diffuse and specular light reflection modeling in the computer graphics.
Q7. prepare brief notes on:
a) Half-toning
b) CSG models