The document is a June 2016 question paper for a computer graphics course, comprising multiple questions targeting key concepts such as display techniques, line drawing algorithms, 3D transformations, shading, and animation methods. Students are required to attempt various problems ranging from theoretical explanations to practical applications involving graphics algorithms. Total marks for the paper is 100, and it is designed to be completed within 3 hours.

1. C o m p u t e r G r a p h i c s
Q u e s t i o n P a p e r ( J u n e – 2 0 1 6 ) [ R e v i s e d C o u r s e ]
1 | Page
M u m b a i B . S c . I T S t u d y
F a c e b o o k | T w i t t e r | I n s t a g r a m | G o o g l e + | Y o u T u b e
– Kamal T.
Time: 3 Hours Total Marks: 100
N.B.: (1) Questions No. 1 is Compulsory.
Q.1 Attempt The Following Question: (10 Marks)
(A) Explain Refresh Cathode Ray Tube with neat diagram. (5)
(B) Distinguish between Raster Scan Display & Random Scan Display. (5)
Q.2 Attempt The Following Question: (15 Marks)
(A) Rasterize line AE3 having end point co-ordinates A (1 0, 20) & B (20, 12) using 5 DDA
algorithm.
(5)
(B) Calculate the pixel positions along a straight line AI3 having end points A (5, 5) & B (13,
9) using Bresenhan's line drawing algorithm.
(5)
(C) Derive the steps in Midpoint circle algorithm. (5)
Q.3 Attempt The Following Question: (15 Marks)
(A) Give the matrix representations for the following 3D transformations.
(i) Translation
(ii) Rotation
(iii) Scaling
(iv) Reflection
(5)
(B) Translate an object ABC with A (1, I), B (3,l) & C (2,3) by 2 units along x-axis & 6 units
along y axis.
(5)
(C) Scale the triangle AE3C as A (2,2,), B (4,2), C (3,4) for given values of Sx & Sy.
(i) SX = 2.5, SY = 2.5
(ii) SX = SY = 1.5
(5)
Q.4 Attempt The Following Question: (15 Marks)
(A) A rectangle A (2, 2), B (5, 2), C (5, 3) & D (2, 3) is rotated by 90" about origin in
Anticlockwise direction. Find new co-ordinate of rectangle after rotation.
(5)
(B) Find the mirror reflection of triangle P (10, 50), Q (40, 80), & R (10, 80) about Line y =
2x + 4.
(5)
(C) Scale an object ABCD with respect to point A by scalling factors Sx = 2 & Sy = 3 as A (2,
1), B (5, 1), C (5, 3), D (2, 3).
(5)

2. C o m p u t e r G r a p h i c s
Q u e s t i o n P a p e r ( J u n e – 2 0 1 6 ) [ R e v i s e d C o u r s e ]
2 | Page
M u m b a i B . S c . I T S t u d y
F a c e b o o k | T w i t t e r | I n s t a g r a m | G o o g l e + | Y o u T u b e
– Kamal T.
Q.5 Attempt The Following Question: (15 Marks)
(A) Explain Flood Fill Algorithm using 8 point connectivity. (5)
(B) Explain Boundary Fill Algorithm using 4 point connectivity. (5)
(C) Write a note on Inside-Outside Test. (5)
Q.6 Attempt The Following Question: (15 Marks)
(A) Develop the perspective transformation of an object onto the xy-plane with the Center
of projection at (100, 100, -100). What will be the projection of line segment? AB with
A (150, 250, 150) & B (250, 350, 100)?
(5)
(B) State and explain steps of animation. (5)
(C) Write a note on Key Frame animation. (5)
Q.7 Attempt The Following Question: (15 Marks)
(A) What is shading? Explain. (5)
(B) State the light model techniques. (5)
(C) Write a short note on morphing & Its advantages. (5)