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1. The point (4, 1) undergoes the following 3 transformations successively. I. Reflection about the line y = x II. Translation through a distance of 2 units along the positive x-axis III. Rotation through an angle of 7d4 about the origin in the counter clockwise direction. The final position of the point will be
(-1/√2, 7/√2)
(1, 4)
(3/√2, -5/√2)
(3/√2, 5/√2)
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2. The perspective anomaly in which the object behind the centre of projection is projected upside down and backward onto the view plane is called as
perspective foreshortening
vanishing view
view confusion
topological distortion
3. A frame buffer array is addressed in row-major order for a monitor with co-ordinate locations varying from (0, 0) to (100, 100). Assuming that one bit of storage is required per pixel and address of(0, 0) is 0000, the address of the co-ordinate position (5,10) is given by
1015
515
1005
505
4. In multiple transformation, which of the following are commutative?
Successive transformations of the same kind
Rotation about a fixed point and translation
Uniform scaling and rotation
(A) and (C).
5. Let the maximum number of pixels in a line be M. The number of subdivisions at most necessary using the mid-point subdivision method of clipping is
N= log_{2}M
N= 2^{M}
n = 2M
none of the above
Syllabus Covered in this section is –
This Section covers Multiple Choice Questions Answers in Computer Graphics .
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