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22757 : 02
Roll No.
Total22757
No. of Pages
Total No. of Questions : 18
B.Tech.(CSE) (2011 Onwards) (Sem.–5)
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COMPUTER
GRAPHICS
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Subject Code : BTCS-504
Paper ID : [A2100]
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Time : 3 Hrs.
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Max. Marks
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INSTRUCTION TO CANDIDATES :
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1.
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2.
3.
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SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
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each. 22757
SECTION-B contains FIVE questions carrying FIVE marks each and students
has to attempt any FOUR questions.
SECTION-C contains T HREE questions carrying T EN marks each and students
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has to attempt
any T22757
WO questions.
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m
o
SECTION-A
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8.
What are edge and fence filling algorithms?
9.
Explain screen
and world
coordinates22757
with example.22757
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1.
What are fractals? What is their need?
2.
What is ray tracing? Explain.
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pa
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What are vanishing points? Explain.
4.
What is the
and raster
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5.
What will be the change in the 3D rotation matrix if the rotation is clock-wise?
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Answer briefly :
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6.
Why the homogeneous coordinates are used?
7.
What is the centre of projection in perspective projection?
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10. List various region filling algorithms.
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1 | M-70537
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(S2)-225
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11.
Explain ellipse generating algorithm.
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12.
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Distinguish
and raster
scan algorithms.
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13.
Differentiate between Gouraud and Phong shading.
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SECTION-B
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14.
What is the difference between boundary fill and flood-fill algorithms? Write 8- boundary
fill algorithm.
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Explain the
steps in the22757
Z-buffer algorithm.
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15.
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SECTION-C
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16.
Explain the
Gouraud shading
technique
in detail.
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17.
Distinguish between parallel and perspective projections.
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Prove that
the multiplication
of three22757
transformation
matrices for22757
each of the 22757
following
sequence of operations is commutative :
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18.
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a) Any two
translations.
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br
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b) Any two successive scaling operations.
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2 | M-70537
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