CS602-Midterm
1 / 50
Save a line with both endpoints inside all clipping boundaries is called as ____.
2 / 50
A scaling transformation alters the ______ of an object.
3 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
4 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
5 / 50
Global coordinate systems can be defined with respect to local coordinate system
6 / 50
Three or more points that lie on the same line are called _____.
7 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
8 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
9 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
10 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
11 / 50
polygons are basically concave polygons that may have self-intersecting edges.
12 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
13 / 50
Normalized cross product of two vectors on that surface provides normal vector
14 / 50
Cross product of two vectors result in a ___________.
15 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
16 / 50
____is the tendency of the text to flash as it moves up or down.
17 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
18 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
19 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
20 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
21 / 50
22 / 50
Perspective projection is specified with the function glFrustum().
23 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
24 / 50
25 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
26 / 50
Various curve functions are useful in ______.
27 / 50
Bezier curve is tangent to the lines connecting ____.
28 / 50
We can draw the circle using ___________.
29 / 50
the horizontal refresh ------------------------------
30 / 50
Process of moving points in space is called
31 / 50
In __________ algorithm(s), old color must be read before it is invoked.
32 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
33 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
34 / 50
35 / 50
Monochrome Adapter (MA) is a single color adapter
36 / 50
Vectors can be multiplied in a way
37 / 50
Polygons are basically concave polygons that may have self-intersecting edges
38 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
39 / 50
We can take transpose of __________.
40 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
41 / 50
Discard a line with both endpoints outside clipping boundaries is called as
42 / 50
This projection technique has the direction of projection perpendicular to the viewing plane, and the viewing direction is perpendicular to one of the principle faces.
43 / 50
Shadow mask methods can display a __________ range of colours.
44 / 50
Polygons consisting of ________ can cause problems when rendering.
45 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
46 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
47 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
48 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
49 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
50 / 50
The circle and ellipse are symmetric across 1 octants.
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