CS602-Midterm
1 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
2 / 50
polygons are basically concave polygons that may have self-intersecting edges.
3 / 50
the horizontal refresh ------------------------------
4 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
5 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
6 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
7 / 50
Bezier curve is tangent to the lines connecting ____.
8 / 50
Perspective projection is specified with the function glFrustum().
9 / 50
Various curve functions are useful in ______.
10 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
11 / 50
Which of the following is not true about matrices?
12 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
13 / 50
We can take transpose of any matrix.
14 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
15 / 50
Cross product of two vectors result in a ___________.
16 / 50
A scaling transformation alters the ______ of an object.
17 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
18 / 50
Polygons are basically concave polygons that may have self-intersecting edges
19 / 50
Translation moves objects without ____________.
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21 / 50
Parity is a concept used to determine which ________ lie within a polygon.
22 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
23 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
24 / 50
Rotating a point requires
25 / 50
The father of Computer Graphics is:
26 / 50
Which one of the following is not the graphics library is use:
27 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
28 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
29 / 50
Twice the radius of circle is called as ___________.
30 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
31 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
32 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
33 / 50
There are _________ basic types of polygon.
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35 / 50
Boundary Filling Algorithm can work for complex polygons.
36 / 50
____is the tendency of the text to flash as it moves up or down.
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38 / 50
We can take transpose of __________.
39 / 50
40 / 50
Three or more points that lie on the same line are called _____.
41 / 50
42 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
43 / 50
A unit vector has zero magnitude.
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45 / 50
In video text memory, ______ are used to display a character.
46 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
47 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
48 / 50
There are _______ basic types of polygon.
49 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
50 / 50
Rotation performed around a fixed point called ____________.
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