CS602-Midterm
1 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
2 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
3 / 50
Set up your tripod and pointing the camera at the scene
4 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
5 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
6 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
7 / 50
We can take transpose of __________.
8 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
9 / 50
We can draw the circle using _________
10 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
11 / 50
UV light is used in Plasma Panel displays to excite phosphor.
12 / 50
There are _______ basic types of polygon.
13 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
14 / 50
Rotating a point requires
15 / 50
Which of the following is not true about matrices?
16 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
17 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
18 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
19 / 50
Finding unit vector is done by simply dividing each component by the width.
20 / 50
21 / 50
To show 256 colors , the no of bits required for each pixel are
22 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
23 / 50
DDA abbreviated for _________.
24 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
25 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
26 / 50
Parity is a concept used to determine which ________ lie within a polygon.
27 / 50
____is the tendency of the text to flash as it moves up or down.
28 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
29 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
30 / 50
Two points are said to be collinear, if they lie on the
31 / 50
Two matrices are said to be equal, if they have
32 / 50
33 / 50
Vectors can be multiplied in a way
34 / 50
35 / 50
36 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
37 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
38 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
39 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
40 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
41 / 50
Various curve functions are useful in ______.
42 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
43 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
44 / 50
45 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
46 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
47 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
48 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
49 / 50
the horizontal refresh ------------------------------
50 / 50
Rotation performed around a fixed point called ____________.
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