Download VTU BE 2020 Jan CSE Question Paper 15 Scheme 6th Sem 15CS62 Computer Graphics and Visualization

15CS62
USN

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Sixth Semester B.E. Degree Examination, Dec.2 fian.2020
Computer Graphics and Visualization
Time: 3 hrs. Max. Marks: 80
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Note: Answer any FIVE full questions, choosing ONE full question from each module.
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Module-1

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-0 1 a. Describe various applications of computer graphics with appropriate examples. (08 Marks)
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b. With a neat diagram, explain the architecture of a raster display system with integrated
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display processor. (08 Marks)
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b. Explain with diagram the different Cartesian reference frames are used in the process of
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(08 Marks)
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Module-2

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3 a. Explain with example any two algorithms used for to identify the interior area of a polygon. CA =
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b. Explain with illustrations the basic 2-dimension geometric transformations used in computer
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4 a. Explain the scan line polygon filling algorithm. And also explain the use of sorted edge table

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and active edge list. (08 Marks)

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b. What is the need of homogeneous coordinates? Give 2-dimension homogeneous coordinate
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c. Obtain a matrix representation for rotation of a object about a specified pivot point in
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2-dimension.
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(04 Marks)
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5 a. What is clipping? Explain with example the Sutherland-Hodgman polygon clipping
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algorithm.
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(08 Marks)

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b. Explain basic illumination models.
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(08 Marks)
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6 a. Explain RGB and CMY color models with examples. Explain the transformation between
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c. CMY and RGB color spaces. (08 Marks)
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b. Obtain the matrix representation for rotation of a object about an arbitrary axis. (08 Marks)
1 of 2
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15CS62
USN

tin

--- Content provided by FirstRanker.com ---

Sixth Semester B.E. Degree Examination, Dec.2 fian.2020
Computer Graphics and Visualization
Time: 3 hrs. Max. Marks: 80
ti

--- Content provided by FirstRanker.com ---

.
?
.1.
-
:

--- Content provided by FirstRanker.com ---

Note: Answer any FIVE full questions, choosing ONE full question from each module.
Fs
t-J
P.:
Module-1

--- Content provided by FirstRanker.com ---

0
-0 1 a. Describe various applications of computer graphics with appropriate examples. (08 Marks)
t)
b. With a neat diagram, explain the architecture of a raster display system with integrated
1.4

--- Content provided by FirstRanker.com ---

vi -c" )
display processor. (08 Marks)
..,,
= ?
=

--- Content provided by FirstRanker.com ---

._
a.
3
.; <0
OR

--- Content provided by FirstRanker.com ---

in
......-,' ..
t43 " 2 a. With necessary steps explain Bresenham's line drawing algorithm. Consider the line from
c oc
-1-

--- Content provided by FirstRanker.com ---

'E +
.... N
(5, 5) to (13, 9), use the Bresenham's algorithm to rasterize the line. (08 Marks)
ct
E 4

--- Content provided by FirstRanker.com ---

b. Explain with diagram the different Cartesian reference frames are used in the process of
2 v
tu a
constructing and displaying a scene.
.c u

--- Content provided by FirstRanker.com ---

(08 Marks)
=
o
cu
,

--- Content provided by FirstRanker.com ---

4
,
?
=,
Module-2

--- Content provided by FirstRanker.com ---

: A t'
3 a. Explain with example any two algorithms used for to identify the interior area of a polygon. CA =
2 =
(06 Marks)
7

--- Content provided by FirstRanker.com ---

.2
8
b. Explain with illustrations the basic 2-dimension geometric transformations used in computer
CA
O-0

--- Content provided by FirstRanker.com ---

C

at ci graphics. (06 Marks)
...
3

--- Content provided by FirstRanker.com ---

-0
'Fz'

.-
? c. Explain the different Open GL routines used for manipulating display window. (04 Marks)

--- Content provided by FirstRanker.com ---

4 To
-
>, t
.
o OR

--- Content provided by FirstRanker.com ---

0 ?
......
P
0
4 a. Explain the scan line polygon filling algorithm. And also explain the use of sorted edge table

--- Content provided by FirstRanker.com ---

C ,9"
and active edge list. (08 Marks)

2

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b. What is the need of homogeneous coordinates? Give 2-dimension homogeneous coordinate
> , matrix for translation, rotation and scaling. (04 Marks)
c. Obtain a matrix representation for rotation of a object about a specified pivot point in
,. .,. _
. ,

--- Content provided by FirstRanker.com ---

2-dimension.
- .-
(04 Marks)
7,
?

--- Content provided by FirstRanker.com ---

I.
Module-3
? :
5 a. What is clipping? Explain with example the Sutherland-Hodgman polygon clipping
>,

--- Content provided by FirstRanker.com ---

-
algorithm.
8
q
(08 Marks)

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b. Explain basic illumination models.
N
(08 Marks)
u
o

--- Content provided by FirstRanker.com ---

z
OR
4E'
6 a. Explain RGB and CMY color models with examples. Explain the transformation between
a

--- Content provided by FirstRanker.com ---

c. CMY and RGB color spaces. (08 Marks)
E
b. Obtain the matrix representation for rotation of a object about an arbitrary axis. (08 Marks)
1 of 2
Module-4

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7 a. Explain the 2 classifications of visible surface detection algorithm. (04 Marks)
b.
Explain with example the depth buffer algorithm used for visible surface detection. And also
list the advantages and disadvantages of depth buffer algorithm. (07 Marks)
c. Bring out the differences between perspective and parallel projections. (05 Marks)

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OR
? 8 a. Explain the OpenGL 3-dimensional viewing functions. (06 Marks)
b. What is projection reference point? Obtain the general and special case perspective
transformation equations. (06 Marks)
c. Explain Back-face detection method with example. (04 Marks)

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Module-S
9 a. Explain the logical classifications of input devices with examples. (06 Marks)
b. Discuss request mode, sample mode and event mode with figures.
(06 Marks)
c. List the various features that a good interactive program should include. (04 Marks)

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OR
10 a. Explain how an event driven input can be performed for a keyboard and mouse device.
(06 Marks)
b. List the properties of Bezier curve. And also explain Bazier techniques of generating curves.
(10 Marks)

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