CS602-Midterm
1 / 50
Discard a line with both endpoints outside clipping boundaries is called as
2 / 50
Each hyperbola consists of two ___________.
3 / 50
Vectors can be multiplied in a way
4 / 50
In video text memory, ______ are used to display a character.
5 / 50
Boundary Filling Algorithm can work for complex polygons.
6 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
7 / 50
Parity is a concept used to determine which ________ lie within a polygon.
8 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
9 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
10 / 50
Twice the radius of circle is called as ___________.
11 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
12 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
13 / 50
14 / 50
Rotating a point requires
15 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
16 / 50
Finding unit vector is done by simply dividing each component by the width.
17 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
18 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
19 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
20 / 50
Save a line with both endpoints inside all clipping boundaries is called as ____.
21 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
22 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
23 / 50
24 / 50
Shadow mask methods can display a __________ range of colors.
25 / 50
25 * 10 resolution with 16 colors supports
26 / 50
Two points are said to be collinear, if they lie on the
27 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
28 / 50
29 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
30 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
31 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
32 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
33 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
34 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
35 / 50
Which of the following is not true about matrices?
36 / 50
Normalized cross product of two vectors on that surface provides normal vector
37 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
38 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
39 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
40 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
41 / 50
Translation moves objects without ____________.
42 / 50
Rotation performed around a fixed point called ____________.
43 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
44 / 50
“Computer Graphics” and “Computer Vision” are ____________.
45 / 50
________ is the set of points that are equidistant from its origin.
46 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
47 / 50
____is the tendency of the text to flash as it moves up or down.
48 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
49 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
50 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
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