B.TECH - Semester 7 computer graphics Question Paper 2019 (jul)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Explain the function of the control electrode in a CRT.
- Write the drawback of Sutherland-Hodgeman Polygon clipping algorithm. How will you eliminate it?
- How does painter's algorithm help in eliminating hidden line?
- Explain Phong shading.
- How will you handle events in graphics programming? PART - B Answer one full questions from each Module.
- (a) Explain any one flat panel displays with an example.
- (b) Describe any four graphical Input devices in detail. OR
- (a) Describe the basic operations of a CRT.
- (b) Scan convert a straight line whose endpoints are $(5,10)$ and $(15,35)$ using Bresenham's algorithm.
- For the triangle with vertices $\mathrm{A}(0,0), \mathrm{B}(2,2), \mathrm{C}(5,3)$, apply the following transformations individually (a). Rotate with $\Theta=120^{\circ}$ (b) Scale with $S_{x}=0.75, S_{y}=1.5$.
- For the triangle with vertices $\mathrm{A}(0,0), \mathrm{B}(2,2), \mathrm{C}(5,3)$, apply the following transformations individually (a). Rotate with $\Theta=120^{\circ}$ (c) Reflect about origin
- For the triangle with vertices $\mathrm{A}(0,0), \mathrm{B}(2,2), \mathrm{C}(5,3)$, apply the following transformations individually (a). Rotate with $\Theta=120^{\circ}$ (d) Move with $T_{x}=-10, T_{y}=5$.
- (a) Explain the principles of Sutherland Hodgeman polygon clipping method.
- (b) What is line clipping? Illustrate with an example.
- (a) Explain parallel projection and perspective projection in detail.
- (b) Describe depth sorting method with an example.
- How will you rotate an object in a 3D environment in the following 2 cases (Assuming rotation axis and angle are given) (a) Rotation about an axis that is parallel to one of the coordinate axes
- How will you rotate an object in a 3D environment in the following 2 cases (Assuming rotation axis and angle are given) (b) Rotation about an axis that is not parallel to one of the coordinate axes
- (a) Write a note on OpenGI Utility Toolkit.
- (b) What is diffuse reflection? Explain. OR
- (a) Write a note on animation.
- (b) Compare the color models.