CS6504 Computer Graphics Important Questions Anna University

CS6504 CG Nov Dec 2016 Important Questions

CS6504 Lecture Important Questions

CS6504 Part B Important Questions

Regulation 2013 CS6504 CG Important Questions Part B Nov Dec 2016

Regulation 2013 Nov Dec 2016 Important Questions Anna University

CS6504 Computer Graphics Important Questions Anna University

Nov Dec 2016 Important Questions Anna University

Department of Computer Science and Engineering

Sub. Name: Computer Graphics                          Sub.Code: CS6504

Max.Marks: 100                                                       Time: 180 min

Department: Computer Science and Engineering Sem/Year: V/III       Date:

Model Exam- I

PART – A                            10x 2=20

1.Compute the resolution of a 2*2 inch image that has 512*512 pixels.(CO1)

2.Give the contents of the display file.                                                            (CO1)

3. Derive the general form of scaling matrix about a fixed point (x_f,y_f) (CO2)

4. Write down the conditions for point clipping in window                             (CO2)

5. Represent the parametric representation of a cubic Bezier curve.                (CO3)

6. Define Projection plane and centre of projection.                         (CO3)

7. Define dithering.                                                                                          (CO4)

8.Convert the given color value to CMY colour mode where R=0.23 G =0.57 B=0.11 (CO4)

9. Give the basic principle of animation.                                          (CO5)

10.List the attributes of turtle in graphics.                                         (CO5)

PART – B             13 x 5=65

       11 a)(i) Define and Differentiate random scan and raster scan devices. (CO1)

Or

    11.b.(ii) Using Bresenhams circle drawing algorithm plot one quadrant of a circle of radius 7 pixels with origin as centre.                                                  (CO1)

12a(i) Derive the viewing transformation matrix                              (CO2)

Or

12b. (i) Clip the given line A(1,3) B(4,1) against a window P(2,2) Q(5,2) R(5,4) S(2,4) using Liang Barsky line clipping algorithm.                                                           (CO2)

13a.(i) Derive the parametric equation for a cubic Bezier curve.      (CO3)

Or

13b(ii) How will you perform three dimensional rotation about any arbitrary axis in space General 3D Rotations.                                                                (CO3)

14.Discuss on colour spectrum, color concepts and color models in detail. (CO4)

Or

14bExplain the Illumination models in detail.                                   (CO4)

15a.(i) Distinguish between raster animation and key frame animation in detail

Raster Animations                                                                                           (CO5)

Or

15.b Write short notes on (i) Koch curves  (ii) Morphing (iii)Ray tracing(CO5) 5+4+4

Part C                    1 x 15=15

16. Explain about the step involved in creating cartoon with frames               (CO5)

Or

16.b. Explain difference between the 4 dimensional display and 3 dimensional display(CO3)