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1
2D Transformations
Find the transformation matrix that converts a square with diagonal vertices (0,3) and (3,6) into a unit square at the origin??
asked
Jan 6
in
Computer Graphics
by
Pramod2k18
(
7
points)

22
views
+1
vote
2
answers
2
UGCNETJuly2018II8
A graphic display system has a frame buffer that is 640 pixels high ans 1 bit of color depth. If the access time for each pixel on the average is 200 nanoseconds, then the refresh rate of this frame buffer is approximately: 16 frames per second 19 frames per second 21 frames per second 23 frames per second
asked
Jul 13, 2018
in
Computer Graphics
by
Pooja Khatri
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(
5.1k
points)

989
views
ugcnetjuly2018ii
computergraphics
displaysystem
0
votes
1
answer
3
UGCNETJuly2018II9
Which of the following statements is/are True regarding the solution of the visibility problem in 3D graphics? S1: The painter's algorithm sorts polygons by depth and then paints (scan  converts) each Polygon on to the screen starting with the most ... S2: Backface Culling refers to eliminating geometry with backfacing normals S1 only S2 only Both S1 and S2 Neither S1 nor S2
asked
Jul 13, 2018
in
Computer Graphics
by
Pooja Khatri
Active
(
5.1k
points)

311
views
ugcnetjuly2018ii
computergraphics
3dgraphics
+2
votes
1
answer
4
UGCNETJuly2018II10
Consider the matrix $M=\begin{bmatrix} 2 & 0 & 2 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}$ representing a set of planar (2D) geometric transformations in homogeneous coordinates. Which of the following statements about the matrix ... shearing of parameters (1,1) M represents first, a shearing of parameters (1, 1) followed by scaling of vector (3,1)
asked
Jul 13, 2018
in
Computer Graphics
by
Pooja Khatri
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5.1k
points)

595
views
ugcnetjuly2018ii
computergraphics
2dgeometry
0
votes
1
answer
5
UGC NET July 2018 Q 9
asked
Jul 11, 2018
in
Computer Graphics
by
Sanjay Sharma
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(
50.3k
points)

99
views
0
votes
0
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6
Graphics
I have a confusion that how the Gpu internal memory different from primary memory in the sense when which of the memory is active. For example suppose i am doing GPU programming or playing a video game then primary memory plays a role or only GPU memory. Suppose I increased my RAM without touching GPU will there be any improvement in my Gpu programming or my video games.
asked
Mar 15, 2018
in
Computer Graphics
by
Na462
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(
8.1k
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86
views
computergraphics
+1
vote
1
answer
7
UGCNETNov2017iii14
Which of the following is not true in case of Oblique Projections? A. Parallel projection rays are not perpendicular to the viewing plane. B. Parallel lines in space appear parallel on the final projected image. C. Used exclusively for pictorial purposes rather than formal working drawings. D. Projectors are always perpendicular to the plane of projection.
asked
Nov 5, 2017
in
Computer Graphics
by
Arjun
Veteran
(
379k
points)

204
views
ugcnetnov2017iii
computergraphics
projection
+1
vote
2
answers
8
UGCNETNov2017iii15
With respect to CRT, the horizontal retrace is defined as: A. The path an electron beam takes when returning to the left side of the CRT. B. The path an electron beam takes when returning to the right side of the CRT. C. The technique of turning, the electron beam off while retracing. D. The technique of turning, the electron beam on/ off while retracing.
asked
Nov 5, 2017
in
Computer Graphics
by
Arjun
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379k
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207
views
ugcnetnov2017iii
computergraphics
crt
+1
vote
1
answer
9
UGCNETNov2017iii18
The three aspects of Quantization, programmers generally concerned with are: A. Coding error, Sampling rate and Amplification B. Sampling rate, Coding error and Conditioning C. Sampling rate, Aperture time and Coding error D. Aperture time, Coding error and Strobing
asked
Nov 5, 2017
in
Computer Graphics
by
Arjun
Veteran
(
379k
points)

166
views
ugcnetnov2017iii
computergraphics
digitalimageprocessing
+1
vote
1
answer
10
UGCNETNov2017iii13
Which of the following is not a component of Memory tube display? A. Flooding gun B. Collector C. Ground D. Liquid Crystal
asked
Nov 5, 2017
in
Computer Graphics
by
Arjun
Veteran
(
379k
points)

324
views
ugcnetnov2017iii
computergraphics
+1
vote
2
answers
11
UGCNETJan2017III18
Consider a line AB with A = (0, 0) and B = (8, 4). Apply a simple DDA algorithm and compute the first four plots on this line. (1) [(0, 0), (1, 1), (2, 1), (3, 2)] (2) [(0, 0), (1, 1.5), (2, 2), (3, 3)] (3) [(0, 0), (1, 1), (2, 2.5), (3, 3)] (4) [(0, 0), (1, 2), (2, 2), (3, 2)]
asked
Oct 9, 2017
in
Computer Graphics
by
amaity
Active
(
3.5k
points)

201
views
+1
vote
0
answers
12
UGCNETJan2017III17
Which of the following is/are side effects of scan conversion ? a. Aliasing b. Unequal intensity of diagonal lines c. Overstriking in photographic applications d. Local or Global aliasing (1) a and b (2) a, b and c (3) a, c and d (4) a, b, c and d
asked
Oct 9, 2017
in
Computer Graphics
by
amaity
Active
(
3.5k
points)

121
views
+1
vote
1
answer
13
UGCNETJan2017III16
Below are the few steps given for scanconverting a circle using Bresenham’s Algorithm. Which of the given steps is not correct ? (1) Compute $d = 3 – 2r$ (where r is radius) (2) Stop if $x > y$ (3) If $d < 0$, then $d = 4x + 6$ and $x = x + 1$ (4) If $d ≥ 0$, then $d = 4 ∗ (x – y) + 10, x = x + 1$ and $y = y + 1$
asked
Oct 9, 2017
in
Computer Graphics
by
amaity
Active
(
3.5k
points)

137
views
+1
vote
1
answer
14
UGCNETJan2017III15
Match the following : a. Glass i. Contains liquid crystal and serves as a bonding surface for a conductive coating. b. Conductive coating ii. Acts as a conductor so that a voltage can be applied across the liquid crystal. c. Liquid crystal iii. A substance which will polarize light when a voltage is ... : a b c d (1) i ii iii iv (2) i iii ii iv (3) iv iii ii i (4) iv ii i iii
asked
Oct 9, 2017
in
Computer Graphics
by
amaity
Active
(
3.5k
points)

141
views
+1
vote
1
answer
15
UGCNETJan2017III14
A segment is any object described by GKS commands and data that start with CREATE SEGMENT and Terminates with CLOSE SEGMENT command. What functions can be performed on these segments ? (1) Translation and Rotation (2) Panning and Zooming (3) Scaling and Shearing (4) Translation, Rotation, Panning and Zooming
asked
Oct 9, 2017
in
Computer Graphics
by
amaity
Active
(
3.5k
points)

181
views
–1
vote
0
answers
16
matrix parallel projection totally confused # Computer Graphics
asked
Apr 19, 2017
in
Computer Graphics
by
LavTheRawkstar
Loyal
(
5.2k
points)

186
views
parallel
projection
0
votes
2
answers
17
Aspect ratio and resolution
Given that a 22inch monitor with an aspect ratio of 16:9 has a monitor resolution of 1920X1080,what is the width of the monitor ? a)19.17 inches b)22 inches c)8.53 inches d)10.79 inches
asked
Jan 8, 2017
in
Computer Graphics
by
Sanjay Sharma
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(
50.3k
points)

1.6k
views
+1
vote
0
answers
18
hilbert curve
asked
Jan 2, 2017
in
Computer Graphics
by
Meenakshi Sharma
Active
(
3k
points)

59
views
0
votes
1
answer
19
The process of producing bitmapped images from a 3D model
asked
Jan 1, 2017
in
Computer Graphics
by
Meenakshi Sharma
Active
(
3k
points)

141
views
–2
votes
0
answers
20
The reflection along the line y=x is equivalent to reflection along the Xaxis followed by counter clockwise rotation
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
677
points)

1.1k
views
nongate
graphics
–7
votes
0
answers
21
Show that the composition of two rotations is additive by concatenating the matrix
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
677
points)

1.4k
views
nongate
graphics
–6
votes
0
answers
22
Scan convert an Eclipse with given Eclipse parameters : Rx = 6 and Ry = 4
Scan convert an Eclipse with given Eclipse parameters : Rx = 6 and Ry = 4 Please show the working.
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
677
points)

106
views
nongate
graphics
–3
votes
0
answers
23
Scan convert a circle with radius 9.5 and centerd at origin using Mid Point Circle Algorithm
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
677
points)

133
views
nongate
graphics
–2
votes
0
answers
24
A polygon has 4 vertices located a A(25, 10),B(50, 10),C(60, 30),D(20 ,30)....
A polygon has 4 vertices located a A(25, 10),B(50, 10),C(60, 30),D(20 ,30).Specify the transformation matrix required to double the size of the polygon with point A located at the same position.
[closed]
asked
Nov 30, 2016
in
Computer Graphics
by
rahuldb
Junior
(
677
points)

193
views
nongate
graphics
0
votes
1
answer
25
How long it would take to load a 512 x 480 frame buffer with 12 bits per pixel....
asked
Nov 29, 2016
in
Computer Graphics
by
rahuldb
Junior
(
677
points)

302
views
graphics
nongate
+1
vote
2
answers
26
UGCNETAUG2016III18
The LiangBarsky line clipping algorithm uses the parametric equation of a line from $(x_{1} , y_{1} )$ to $(x_{2} , y_{2} )$ along with its infinite extension which is given as : $x = x_{1} + \Delta x.u$ $y = y_{1} + \Delta y.u$ ... is given as : $(0, \frac{2}{3})$ $\left(\frac{1}{6},\frac{5}{6}\right)$ $(0, \frac{1}{3})$ $(0, 1)$
asked
Oct 1, 2016
in
Computer Graphics
by
makhdoom ghaya
Boss
(
41k
points)

657
views
ugcnetaug2016iii
computergraphics
linedrawingalgorithm
+1
vote
1
answer
27
UGCNETAUG2016III17
In perspective projection (from 3D to 2D), objects behind the centre of projection are projected upside down and backward onto the viewplane. This is known as _____. Topological distortion Vanishing point View confusion Perspective foreshortening
asked
Oct 1, 2016
in
Computer Graphics
by
makhdoom ghaya
Boss
(
41k
points)

475
views
ugcnetaug2016iii
computergraphics
projection
+5
votes
1
answer
28
UGCNETAUG2016III16
A point $P(2, 5)$ is rotated about a pivot point $(1, 2)$ by 60°. What is the new transformed point $P'$ ? $(1, 4)$ $(–1, 4)$ $(1, – 4)$ $(– 4, 1)$
asked
Oct 1, 2016
in
Computer Graphics
by
makhdoom ghaya
Boss
(
41k
points)

1.4k
views
ugcnetaug2016iii
computergraphics
projection
+1
vote
0
answers
29
UGCNETAUG2016III15
Consider the Breshenham's line generation algorithm for a line with gradient greater than one, current point $(x_{ i} , y_{i} )$ and decision parameter, $d_{i}$. The next point to be plotted $(x _{i+1}, y_{i+1})$ and updated decision parameter, $d_{i+1}$, for $d_{i} < 0$ are given as _______ ... $x_{ i+1} = x_{ i + 1} y_{i+1} = y_{i + 1} d_{i+1} = d_{i} + 2 (dy  dx)$
asked
Oct 1, 2016
in
Computer Graphics
by
makhdoom ghaya
Boss
(
41k
points)

230
views
ugcnetaug2016iii
computergraphics
linedrawingalgorithm
+2
votes
1
answer
30
UGCNETAUG2016III14
Consider a $N$bit plane frame buffer with $W$bit wide lookup table with $W > N$. How many intensity levels are available at a time ? $2^{N}$ $2^{W}$ $2^{N+W}$ $2^{N1}$
asked
Sep 30, 2016
in
Computer Graphics
by
makhdoom ghaya
Boss
(
41k
points)

521
views
ugcnetaug2016iii
computergraphics
framebuffer
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