CS602-Midterm
1 / 50
Perspective projection is specified with the function glFrustum().
2 / 50
Various curve functions are useful in ______.
3 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
4 / 50
We can take transpose of __________.
5 / 50
We can draw the circle using _________
6 / 50
Finding unit vector is done by simply dividing each component by the width.
7 / 50
_________ direct view storage tube maintains the picture display.
8 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
9 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
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In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
11 / 50
A scaling transformation alters the ______ of an object.
12 / 50
Discard a line with both endpoints outside clipping boundaries is called as
13 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
14 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
15 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
16 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
17 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
18 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
19 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
20 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
21 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
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In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
23 / 50
25 * 10 resolution with 16 colors supports
24 / 50
Rotation performed around a fixed point called ____________.
25 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
26 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
27 / 50
The dot product of two vectors A and B is __________. Iff the angle between them is less than 20 or greater than 270 degrees.
28 / 50
Cross product of two vectors result in a ___________.
29 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
30 / 50
Rotating a point requires
31 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
32 / 50
UV light is used in Plasma Panel displays to excite phosphor.
33 / 50
Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.
34 / 50
________ is the set of points that are equidistant from its origin.
35 / 50
Boundary Filling Algorithm can work for complex polygons.
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37 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
38 / 50
39 / 50
The circle and ellipse are symmetric across 1 octants.
40 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
41 / 50
Parity is a concept used to determine which ________ lie within a polygon.
42 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
43 / 50
We can take transpose of any matrix.
44 / 50
Which of the following is not true about matrices?
45 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
46 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
47 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
48 / 50
Two points are said to be collinear, if they lie on the
49 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
50 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
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