Total No. of Questions : 8] SEAT No.

8
23
P9131 [Total No. of Pages : 2

ic-
[6179]-257

tat
S.E. (Information Technology)

4s
COMPUTER GRAPHICS

4:4
02 91
(2019 Pattern) (Semester - IV) (214453)

9:4
0
Time : 2½ Hours] [Max. Marks : 70

30
3/1 13
Instructions to the candidates:
0
1) Answers : Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
2/2
.23 GP

2) Neat diagrams must be drawn wherever necessary.

3) Figures to the rightside indicate full marks.
E
82

8
4) Assume Suitable data if necessary.
C

23
ic-
16

tat
8.2

Q1) a) Use the Cohen Sutherland Line Clipping Algorithm with the help of region

4s
codes to clip a line AB with A (30, 70), B (110, 50) and PQ with P (60, 120),
.24

4:4
91
Q (90, 30) to clip a line against a window with lower left-hand corner
49

9:4
(40, 40) and Upper right-hand corner (100, 80). Show Graphic
30
30

Representation of Original and Clipped Line. [9]

01

b) Explain the basic transformation techniques in 3D Graphics. [9]

02

i) Scaling
2/2
GP

ii) Rotation
3/1

iii) Reflection about XZ Plane

CE
82

8
OR

23
.23

Q2) a) What is projection? Explain with diagram, oblique - Cavalier, Cabinet,

Orthographic - isometric, diametric, trimetric Parallel projections. [9] ic-
16

tat
8.2

b) Let ABCD be the rectangle window with A (150, 150), B (150, 200),
4s

C (200, 200) and D (200, 150). Use Cohen Hodgeman polygon clipping
.24

4:4

algorithm to clip the convex polygon PQRS with P (100, 175), Q (170, 250),
91
49

9:4

R (250, 165), S (180, 100) and find the final coordinates of the clipped
30

polygon. [9]
30
01
02

Q3) a) Define Shading. Compare Constant Intensity, Halftoning, Gourand

2/2
GP

Shading and Phong Shading algorithm. [9]

3/1

b) Explain in detail with Diagram. [8]

CE
82

i) RGB Color Model.

ii) HSV Color Model
.23

iii) CIE Chromaticity Diagram

16

iv) Color Gamut

8.2
.24

P.T.O.
49
 OR

8
23
Q4) a) What is a segment? Why do we need segments? Explain the complete

ic-
process of [9]

tat
i) Segment Creation

4s
ii) Segment Renaming and

4:4
02 91
iii) Segment Closing

9:4
0
b) Define Illumination. Explain with diagram Phong illumination model and

30
3/1 13
combined diffuse illumination models in detail. [8]
0
2/2
.23 GP

Q5) a) Write short note on Hilbert’s and Koch Curve along its Topological and
E

Fractal Dimensions. [9]

82

8
C

23
b) What are the steps in desing in animation sequence? Describe about

ic-
each step briefly. [9]
16

tat
8.2

OR

4s
.24

4:4
Q6) a) What is curve interpolation? As far as splines are concerned what do
91
49

Bezier and B-splines curves idicates? [9]

9:4
30

b) Write short note on [9]

30
01
02

i) Design of animation sequence

2/2
GP

ii) Frame - by - frame Animation techniques

3/1
CE
82

8
23
Q7) a) What is the different usage of Virtual Reality? Explain in detail. [6]
.23

b) What is Haptics Rendering Pipeline Modeling in Virtual Reality? ic-[6]

16

tat
c) What is kinematic modeling in a Virtual Reality? [5]
8.2

4s
.24

OR
4:4
91
49

9:4

Q8) a) What is graphics rendering pipeline in a Virtual Reality system. [6]

30
30

b) Explain gesture interfaces in ‘virtual Reality. [6]

01
02

c) Explain 3D position trackers. [5]

2/2
GP
3/1
CE


82
.23
16
8.2
.24

[6179]-257 2
49
Total No. of Questions : 8] SEAT No. :

8
23
PA-1249 [Total No. of Pages : 2

ic-
[5925]-272

tat
8s
S.E. (Information Technology)

8:5
COMPUTER GRAPHICS

02 91
3:3
(2019 Pattern) (Semester - IV) (214453)

0
31
Time : 2½ Hours]
0/0 13 [Max. Marks : 70
0
1/2
Instructions to the candidates:
.23 GP

1) Answers : Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.

2) Neat diagrams must be drawn wherever necessary.
E
81

8
3) Figures to the right side indicate full marks.
C

23
4) Assume Suitable data if necessary.

ic-
16

tat
8.2

8s
Q1) a) Explain with diagram Cohen Sutherland line clipping algorithm. [6]
.24

8:5
b) Compare homogeneous co-ordinate system and normalized co-ordinate
91
49

3:3
system. [6]
30
31

c) Show that the Transformation matrix of reflection about line y=x is

01
02

equivalent to reflection relative to x-axis followed by anticlockwise

1/2
GP

rotation of 90 degree. [6]

0/0

OR
CE
81

8
23
Q2) a) What is the concept of vanishing point in perspective projection? Explain
.23

with diagram. [6]

ic-
16

tat
8.2

b) Let ABCD be a rectangle window with A(20,20), B(90,20), C(90,70),

8s

D(20,70). Find the region codes for the end points & use Cohen
.24

8:5
91

Sutherland line clipping algorithm to clip the following line Q1Q2 with
49

3:3

Q1(10,10) and Q2(70,60). [6]

30
31

c) Explain 3D reflection about XY, YZ, and XZ plane. [6]

01
02
1/2
GP
0/0

Q3) a) What is Shading. Explain with diagram Constant intensity shading

CE
81

method. [6]
.23

b) Explain CMY and HSV color models. [6]

16

c) What is a segment? How do we create it? Why do we need segments?[5]

8.2

OR
.24

P.T.O.
49

[5925]-272 1
Q4) a) Compare Gourand and Phong method of shading. [6]

8
23
b) What is segment? Explain the concept of segment table and display file.

ic-
[6]

tat
8s
c) Explain CIE chromaticity diagram; also explain how RGB to CMY

8:5
conversion is done. [5]

02 91
3:3
0
31
Q5) a) 0/0 13
Explain Koch curve and its application in detail. [6]
0
1/2
b) Write short notes on [6]
.23 GP

i) Morphing
E
81

8
C

23
ii) Design of animation sequence

ic-
16

c) What is fractal? Explain Hilbert curve in detail. [6]

tat
8.2

8s
OR
.24

8:5
91
Q6) a) Write short notes on [6]
49

3:3
30
31

i) B-spline curve
01
02

ii) Blending function of Bezier curve

1/2
GP

b) What are the methods of controlling animation? [6]

0/0
CE
81

8
c) Explain various types of animation languages. [6]

23
.23

ic-
16

tat
Q7) a) Explain the physical modeling in Virtual Reality. [6]
8.2

8s
.24

8:5

b) Explain haptic feedback in Virtual Reality system. [6]

91
49

3:3

c) What is navigation and manipulation interfaces in virtual reality system?[5]

30
31

OR
01
02
1/2

Q8) a) Explain the behavioral modeling in Virtual Reality. [6]

GP
0/0

b) What are sound displays in Virtual Reality? [6]

CE
81

c) Explain Kinematic modeling in Virtual Reality. [5]

.23
16
8.2

  
.24
49

[5925]-272 2
Total No. of Questions : 8] SEAT No. :

8
23
PB3649 [6261]-57 [Total No. of Pages :2

ic-
tat
S.E. (Information Technology)

9s
COMPUTER GRAPHICS

9:1
02 91
(2019 Pattern) (Semester- IV) (214453)

3:3
0
41
Time : 2½ Hours ] 5/0 13 [Max. Marks : 70
0
Instructions to the candidates:
5/2
.23 GP

1) Attempt Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.

2) Neat diagrams must be drawn wherever necessary.
E
82

8
3) Figures to the right indicate full marks.
C

23
ic-
4) Assume suitable data if necessary.
16

tat
8.2

9s
Q1) a) Show that the Transformation matrix of reflection about line y = x is
.24

9:1
equivalent to reflection relative to x-axis followed by anticlockwise rotation
91
49

3:3
of 90 degree. [6]
30
41

b) Explain with diagram, Perspective vanishing points as 1 point, 2 point

01

and 3 point. [6]

02
5/2

c) Explain the basic transformation techniques in 3D Graphics. [6]

GP
5/0

i) Scaling
CE

ii) Rotation
82

8
23
iii) Translation
.23

OR ic-
16

tat
8.2

Q2) a) Explain 3D reflection about XY, YZ and XZ plane. [6]

9s

b) Let ABCD be the rectangle window with A (10,20), B (100,20), C (100,90),

.24

9:1
91

D (10,90). Find the region code for endpoints and use Cohen Sutherland
49

3:3

algorithm to clip the lines P1-P2 with P1 (5,30) and P2 (70,100) and Q1-
30
41

Q2 with Q1 (50,70) and Q2 (80,30). [6]

01
02

c) Explain with diagram parallel and perspective projection. [6]

5/2
GP
5/0

Q3) a) Explain with diagram Phong shading algorithm in detail. [6]

CE
82

b) What is segment? Explain the concept of segment table and display file.
.23

[6]
16

c) Explain different types of light sources. Also explain specular reflection.[5]

8.2

OR
.24
49

P.T.O.
Q4) a) What is Shading. Explain with diagram Constant intensity shading method.

8
23
[6]

ic-
b) Define color gamut. Explain with diagram CIE Chromaticity Diagram.[6]

tat
c) Explain RGB, CYM color models. [5]

9s
9:1
02 91
3:3
Q5) a) Write a short note on Interpolation and approximation. [6]

0
41
b) 5/0 13
Explain Bezier curve. List its properties. [6]
c) What are the methods of controlling animation? [6]
0
5/2
.23 GP

OR
Q6) a) Explain Koch curve and its application in detail. [6]
E
82

8
C

23
b) Write short notes on [6]

ic-
i) Morphing
16

tat
8.2

9s
ii) Design of animation sequence
.24

9:1
c) What is fractal? Explain Hilbert curve in detail. [6]
91
49

3:3
30
41

Q7) a) What is the different usage of Virtual Reality? Explain in detail. [6]
01
02

b) What is Haptics Rendering Pipeline Modeling in Virtual Reality? [6]

5/2
GP

c) What is kinematic modeling in a Virtual Reality? [5]

5/0
CE

OR
82

8
23
Q8) a) What is graphics rendering pipeline in a Virtual Reality system? [6]
.23

ic-
16

b) Explain gesture interfaces in Virtual Reality. [6]

tat
8.2

9s

c) Explain 3D position trackers. [5]

.24

9:1
91
49

3:3
30


41
01
02
5/2
GP
5/0
CE
82
.23
16
8.2
.24
49

[6261]-57 2
Total No. of Questions : 8] SEAT No. :

8
23
P1543 [Total No. of Pages : 2

ic-
[6002]-172

tat
S.E. (Information Technology)

2s
COMPUTER GRAPHICS

6:4
02 91
(2019 Pattern) (Semester-IV) (214453)

0:3
0
31
Time : 2½ Hours] 9/0 13 [Max. Marks : 70
0
Instructions to the candidates:
7/2
.23 GP

1) Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.

2) Neat diagrams must be drawn wherever necessary.
E
80

8
3) Figures to the right side indicate full marks.
C

23
4) Assume Suitable data if necessary.

ic-
16

tat
Q1) a) Use the cohen sutherland line clipping Algorithm with the help of region
8.2

2s
codes to clip a line AB with A(30,50), B (110,70) and PQ with P (50,30),
.24

6:4
Q (90,90) to clip a line against a window with lower left-hand corner
91
49

0:3
(40,40) and upper right-hand corner (100,80). show Graphic
30

Representation of Original and clipped line. [9]

31
01
02

b) Explain 3D reflection about XY, YZ and XZ plane. [9]

7/2
GP

OR
9/0

Q2) a) Let ABCD be the rectangle window with A (150,150), B(150,200),

CE
80

8
C(200,200) and D(200,150). Use Cohen Hodgeman polygon clipping

23
.23

algorithm to clip the convex polygon PQR with P (100,175), Q(170,250),

R (250,165) and find the final coordinates of the clipped polygon. [9] ic-
16

tat
8.2

2s

b) What is projection? Explain with diagram, Perspective Projection with

.24

6:4

vanishing points as 1 point, 2 point and 3 point. [9]

91
49

0:3
30
31

Q3) a) Explain in detail with Diagram. [9]

01
02

i) RGB Color Model

7/2
GP

ii) HSV Color Model

9/0
CE
80

iii) CIE Chromaticity Diagram.

.23

b) Define Shading. Explain with help of diagrams Gourand Shading algorithm

16

in detail. [8]
8.2

OR
.24
49

P.T.O.
Q4) a) What is a segment? Why do we need segments? Explain the complete

8
23
process of [9]

ic-
i) Segment Creation,

tat
2s
ii) Segment Deletion and

6:4
iii) Segment Closing.

02 91
0:3
b) Explain in detail combined diffuse and specular reflections with multiple

0
31
9/0 13
light sources. [8]
0
7/2
.23 GP

Q5) a) What are the steps in design in animation sequence? Describe about
each step briefly. [9]
E
80

8
C

23
b) What is curve interpolation ? As far as splines are concerned what do

ic-
Bezier and B-splines curves indicate? [9]
16

tat
OR
8.2

2s
.24

Q6) a) Explain in detail with diagram how midpoint subdivision method can be
6:4
91
used for Bezier-curve Generation. [9]
49

0:3
30

b) Explain how koch curves are generated. Also calculate the fractal
31

dimension of koch curve. [9]

01
02
7/2
GP
9/0

Q7) a) Explain the behavioral modeling in Virtual Reality. [6]

CE
80

8
b) What are sound displays in Virtual Reality? [6]

23
.23

ic-
c) What is navigation and manipulation interfaces in virtual reality system?[5]
16

tat
OR
8.2

2s

Q8) a) Explain the graphics Rendering pipeline [6]

.24

6:4
91
49

b) Explain the applications of Virtual Reality systems. [6]

0:3
30
31

c) Explain Kinematic modeling in Virtual Reality. [5]

01
02
7/2
GP


9/0
CE
80
.23
16
8.2
.24
49

[6002]-172 2
Total No. of Questions : 8] SEAT No. :

8
23
P659 [Total No. of Pages : 2

ic-
tat
[5869]-289

8s
S.E. (Information Technology)

4:1
02 91
COMPUTER GRAPHICS

8:3
0
(2019 Pattern) (Semester - IV) (214453)

20
Time : 2½ Hours] 0/0 13 [Max. Marks : 70
Instructions to the candidates:
0
6/2
.23 GP

1) Answers Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.

2) Neat diagrams must be drawn whenever necessary.
E

3) Figures to the right side indicate full marks.

83

8
C

23
4) Assume suitable data if necessary.

ic-
16

tat
Q1) a) Explain the basic transformation techniques in 3D Graphics. [6]
8.2

8s
i) Scaling ii) Rotation iii) Translation
.24

4:1
91
49

b) Use the Cohen-Sutherland algorithm for clipping window having clipping

8:3
30

window whose lower left point at(2,1), upper right point at (7,5) and line
20

points are (1,3) and (5,6). Find the intersection points. [6]
01
02

c) Explain the following term with example [6]

6/2
GP
0/0

i) Windowing ii) Clipping iii) Viewport

CE
83

8
OR

23
.23

ic-
Q2) a) Explain with diagram parallel and perspective projection. [6]
16

tat
b) Explain 3D Transformation rotation about arbitrary axis. [6]
8.2

8s
.24

4:1

c) Using Sutherland-Hodgeman method, Clip Polygon ABCDE against

91
49

window PQRS. The coordinators of polygon are A(80,200), B(220,120),

8:3

C(150, 100), D(100, 30), E(10, 120). Coordinates of the window are
30
20

P(200, 50), Q(50, 150), R(200,150), S(50, 50). [6]

01
02

Q3) a) What is segment? Explain different operations on segment with example.

6/2
GP

[6]
0/0
CE

b) Explain RGB, HSV and HLS color models. [6]

83
.23

c) Explain with diagram Gourand shading algorithm in detail. [5]

16

OR
8.2
.24

P.T.O.
49
Q4) a) Explain the concept of segment table and display file. [6]

8
23
b) Explain with diagram Phong shading algorithm in detail. [6]

ic-
tat
c) Define color gamut. Explain with diagram CIE Chromaticity Diagram.

8s
[5]

4:1
Q5) a) Differentiate between Bezier curve and B-spline curve. [6]

02 91
8:3
b) Write a short note on Interpolation and approximation. [6]

0
20
c) 0/0 13
Explain various types of animation languages. [6]
0
6/2
.23 GP

OR
Q6) a) Explain Bezier curve. List its properties. [6]
E
83

8
C

23
b) Write short notes on: [6]

ic-
i) Koch curve
16

tat
8.2

8s
ii) Frame-by-frame Animation techniques
.24

4:1
c) What is fractal? Explain Hilbert curve in detail [6]
91
49

8:3
30
20

Q7) a) What is the different usage of Virtual Reality? Explain in detail. [6]
01
02
6/2

b) What is Haptics Rendering Pipeline Modeling in Virtual Reality? [6]

GP
0/0

c) Differentiate HMD and CAVE in Virtual Reality. [5]

CE
83

8
23
OR
.23

Q8) a) Explain the Graphics Rendering Pipeline. ic-[6]

16

tat
8.2

8s

b) Explain the applications of Virtual Reality systems. [6]

.24

4:1

c) Explain 3D position trackers. [5]

91
49

8:3
30
20
01
02
6/2
GP


0/0
CE
83
.23
16
8.2
.24

[5869]-289 2
49