CS602-Midterm
1 / 50
Save a line with both endpoints inside all clipping boundaries.
2 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
3 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
4 / 50
Rotating a point requires
5 / 50
Two points are said to be collinear, if they lie on the
6 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
7 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
8 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
9 / 50
We can take transpose of any matrix.
10 / 50
“Computer Graphics” and “Computer Vision” are ____________.
11 / 50
Discard a line with both endpoints outside clipping boundaries is called as
12 / 50
Various curve functions are useful in ______.
13 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
14 / 50
DDA abbreviated for ________.
15 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
16 / 50
polygons are basically concave polygons that may have self-intersecting edges.
17 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
18 / 50
Vectors can be multiplied in a way
19 / 50
Shadow mask methods can display a __________ range of colours.
20 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
21 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
22 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
23 / 50
________ is the set of points that are equidistant from its origin.
24 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
25 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
26 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
27 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
28 / 50
Polygons consisting of ________ can cause problems when rendering.
29 / 50
30 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
31 / 50
A unit vector has zero magnitude.
32 / 50
We can draw the circle using _________
33 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
34 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
35 / 50
UV light is used in Plasma Panel displays to excite phosphor.
36 / 50
Process of moving points in space is called
37 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
38 / 50
Which one of the following is not the graphics library is use:
39 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
40 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
41 / 50
42 / 50
43 / 50
There are _________ basic types of polygon.
44 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
45 / 50
Three or more points that lie on the same line are called _____.
46 / 50
Parity is a concept used to determine which ________ lie within a polygon.
47 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
48 / 50
The father of Computer Graphics is:
49 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
50 / 50
Normalized cross product of two vectors on that surface provides normal vector
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