CS602-Midterm
1 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
2 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
3 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
4 / 50
A scaling transformation alters the ______ of an object.
5 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
6 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
7 / 50
We can take transpose of __________.
8 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
9 / 50
Cross product of two vectors result in a ___________.
10 / 50
We can take transpose of any matrix.
11 / 50
Computer Graphics are used in _______.
12 / 50
Parity is a concept used to determine which ________ lie within a polygon.
13 / 50
25 * 10 resolution with 16 colors supports
14 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
15 / 50
In __________ algorithm(s), old color must be read before it is invoked.
16 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
17 / 50
It is safe to assume that all raster-type monitors can accept the same input
18 / 50
A unit vector has zero magnitude.
19 / 50
________is used to move a point, or a set of points, linearly in space
20 / 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.
21 / 50
Computer Graphics are used in ____________.
22 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
23 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
24 / 50
Boundary Filling Algorithm can work for complex polygons.
25 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
26 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
27 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
28 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
29 / 50
The circle and ellipse are symmetric across 1 octants.
30 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
31 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
32 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
33 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
34 / 50
Twice the radius of circle is called as ___________.
35 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
36 / 50
We can draw the circle using _________
37 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
38 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
39 / 50
Global coordinate systems can be defined with respect to local coordinate system
40 / 50
A fractal is generally a property called ___________.
41 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
42 / 50
Set up your tripod and pointing the camera at the scene
43 / 50
44 / 50
Finding unit vector is done by simply dividing each component by the width.
45 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
46 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
47 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
48 / 50
49 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
50 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
Your score is
The average score is 54%
Restart quiz
