CS602-Midterm
1 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
2 / 50
A fractal is generally a property called ___________.
3 / 50
Discard a line with both endpoints outside clipping boundaries is called as
4 / 50
There are _______ basic types of polygon.
5 / 50
Translation moves objects without ____________.
6 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
7 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
8 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
9 / 50
Various curve functions are useful in ______.
10 / 50
Bezier curve is tangent to the lines connecting ____.
11 / 50
Three or more points that lie on the same line are called _____.
12 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
13 / 50
A scaling transformation alters the ______ of an object.
14 / 50
Polygons are basically concave polygons that may have self-intersecting edges
15 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
16 / 50
We can draw the circle using _________
17 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
18 / 50
Rotating a point requires
19 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
20 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
21 / 50
22 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
23 / 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.
24 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
25 / 50
26 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
27 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
28 / 50
Computer Graphics are used in _______.
29 / 50
To show 256 colors , the no of bits required for each pixel are
30 / 50
Finding unit vector is done by simply dividing each component by the width.
31 / 50
Boundary Filling Algorithm can work for complex polygons.
32 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
33 / 50
Save a line with both endpoints inside all clipping boundaries.
34 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
35 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
36 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
37 / 50
38 / 50
Twice the radius of circle is called as ___________.
39 / 50
We can take transpose of __________.
40 / 50
41 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
42 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
43 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
44 / 50
45 / 50
Computer Graphics are used in ____________.
46 / 50
Each hyperbola consists of two ___________.
47 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
48 / 50
A unit vector has zero magnitude.
49 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
50 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
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