CS602-Midterm
1 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
2 / 50
DDA abbreviated for _________.
3 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
4 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
5 / 50
Set up your tripod and pointing the camera at the scene
6 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
7 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
8 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
9 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
10 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
11 / 50
polygons are basically concave polygons that may have self-intersecting edges.
12 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
13 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
14 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
15 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
16 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
17 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
18 / 50
Boundary Filling Algorithm can work for complex polygons.
19 / 50
The curve is always contained within the _______ of the control points
20 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
21 / 50
22 / 50
Process of moving points in space is called
23 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
24 / 50
Polygons consisting of ________ can cause problems when rendering.
25 / 50
Save a line with both endpoints inside all clipping boundaries.
26 / 50
Two matrices are said to be equal, if they have
27 / 50
We can take transpose of __________.
28 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
29 / 50
________is used to move a point, or a set of points, linearly in space
30 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
31 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
32 / 50
33 / 50
Each hyperbola consists of two __________ .
34 / 50
A scaling transformation alters the ______ of an object.
35 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
36 / 50
Various curve functions are useful in ______.
37 / 50
Save a line with both endpoints inside all clipping boundaries is called as ____.
38 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
39 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
40 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
41 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
42 / 50
Shadow mask methods can display a __________ range of colors.
43 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
44 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
45 / 50
the horizontal refresh ------------------------------
46 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
47 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
48 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
49 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
50 / 50
Three or more points that lie on the same line are called _____.
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