Medium distance camera shots in a computer graphics scene would be used to:

Make gestures or movement clear

Which description BEST explains a computer animation?

Drawing key frames allowing the computer to fill in between

The computer graphics light that is most like the sun is a/an:

Infinite light (Directional light)

What can video editing software add to a rendered 3D scene?

Enhances animations with sound, titles, and scene transition

Which is correct concerning 3D computer animation techniques?

Morphing is a gradual transition from one object to another

What computer would be best suited for a video editing center?

Computer with large amounts of RAM

What is true concerning light settings in a 3D animation program?

The light's color element uses the RGB scale

What is true concerning texture maps?

2D patterns placed on a 3D surface

Why does a videotape purchased in Italy NOT play on a VCR in the US?

One is 25 fps and one is 30 fps

What does the falloff setting change or do to a light setup in a 3D scene?

Causes light to dim in proportion to how far the light is

Why render a scene made in a 3D animation program?

Allow it to be used and viewed in other applications

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Review Unit 4: Advanced Static and Dynamic visualization

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Questions 92

Answers

1
Medium distance camera shots in a computer graphics scene would be used to:
Blur everything in the scene
Show close-ups or small details
Define the environment or area
Make gestures or movement clear
2
Which description BEST explains a computer animation?
Taking a video and converting it to a computer file
Having the computer calculate
Drawing key frames allowing the computer to fill in between
Drawing all 100 frames of a 100 frame animation
3
The computer graphics light that is most like the sun is a/an:
Area light
Spotlight
Point light
Infinite light (Directional light)
4
How can the light parameters be adjusted so the viewer can see the teapot?
Decrease the hot spot
Exclude the cup in the light
Increase the falloff
Change the color of the light
5
What is NOT a single frame output?
TIFF
AVI
TARGA
JPEG
6
Objects in a computer graphics scene closest to the light source are:
Darker
Brighter
Dimmer
Shadowed
7
Which file format would you use if you wanted to export an animation played in England?
MPEG
NTSC
PAL
AVI
8
Which would require less hard-drive space after rendering?
30 frames/sec at 640 x 480
30 frames/sec at 800 x 600
15 frames/sec at 320 x 240
15 frames/sec at 640 x 480
9
In 3D modeling, the height and depth of bumps are controlled by adjusting the settings for the:
Refraction
Spherical projection
Aptitude or intensity
Incidence angle
10
What can video editing software add to a rendered 3D scene?
Movies can be edited for content
Nothing - video editing can not add any new effects
Enhances animations with sound, titles, and scene transition
Video editing software can add textures to an object
11
The fact that light dims over a distance is simulated in computer graphics with:
Backlight
Ray-tracing
Falloff
Fill light
12
A videotape formatted using NTSC will render at which frame rate?
15 frames/sec
40 frames/sec
45 frames/sec
30 frames/sec
13
The light that is positioned above and to the front or side of the objects brightest is :
Key light
Ambient light
Backlight
Fill light
14
In a three-light computer graphics layout, the light that produces the shadows is the:
Ambient light
Key light
Backlight
Fill light
15
How many frames are in a NTSC standard animation that plays for 10 seconds?
250
500
150
300
16
What frame rate is used in European markets for video tapes?
WAV
MPEG
PAL
AVI
17
When animating, if the wheels of a truck are rotating while the truck moves forward, TRUCK is:
Child
Sibling
Sister
Parent
18
The naturally occuring light in the world around a person is called a/an:
Infinite or Directional light
Penumbra
Ambient light
Dropoff or Falloff
19
What is NOT a computer assisted 3D animation process?
Morphing
Key frame
Path controller
Particle system
20
Which is correct concerning 3D computer animation techniques?
Morphing is simulation of natural occurences such as gravity
Tweening is a changing of the shape of an object by twisting
Tweening is simulation of natural occurences such as gravity
Morphing is a gradual transition from one object to another
21
What would typically be a texture map?
3D solid
2D image
Boolean
Phong pattern
22
Which is NOT a still image output for a project on a PC?
TIFF
JPEG
AVI
BMP
23
When using the "look at" tool for camera animation, the Z axis should be pointed:
Field of view tool
Depth of field tool
Look at tool
Look ahead tool
24
What output size would result in the greatest render time?
800 x 600
512 x 446
320 x 240
256 x 243
25
What camera technique describes an angle or cone of vision, which defines the objects?
Field of view
Motion blur
Decay
Depth of field
26
What video editing technique allows one to make a gradual change from one video clip to another
Alpha channel
Time stamping
Bins
Transitions
27
What type of light in a 3D program simulates the light rays from the sun?
Circular
Omni
Spot
Ambient
28
What is the term for the number of frames used in an animation and how fast they will run?
Frame rate
Play time
Run time
Scene rate
29
How can an object appear more transparent?
Increase opacity
Increase specular level
Decrease specular level
Decrease opacity
30
What 3D light adds depth to the scene , giving objects more of a defined shape?
Back light
Fill light
Spot light
Key light
31
The rough surface of the ball shown was created in a 3D modeling program using a:
Bump map
Surface map
Texture map
Pattern map
32
What computer would be best suited for a video editing center?
Computer with large amounts of RAM
Computer with a large keyboard
Computer with a laser printer
Computer with a scanner
33
An example of a computer graphics light that resembles a light bulb is a/an:
Point light (local light)
Spotlight
Area light
Infinite light
34
What is NOT included in a MIDI file format?
Rythms
Instruments
Synthesized music
Vocals
35
What process is necessary to finish the animation and create an AVI file?
Mask
Render
Crop
Animate
36
What has an analog format?
VCR
Hard drive
Floppy disk
CD-ROM
37
To use less hard-drive space and less rendering time:
Decrease input size
Increase output size
Increase input size
Decrease output size
38
What is true concerning light settings in a 3D animation program?
The light's angle of incidence specifies the Y-axis location
The location of the light is measured in the Z axis
Decreasing the light's intensity will make it brighter
The light's color element uses the RGB scale
39
What are two main elements affecting camera usage in a 3D scene?
Camera zoom and size
Camera tilt and zoom
Camera lens type and tilt
Camera size and location
40
What illusion of roughness is created when an irregular surface has light and dark areas?
Bump mapping
Material tiling
Texture mapping
UVW mapping
41
When rendering an animation, a student set the compression to 50%. The final animation would:
Be cropped
Have a smaller file size
Be larger file
Be shorter in length
42
What is true concerning texture maps?
An affect that adds florescent lighting to a scene
The height, width, and depth of an object
2D patterns placed on a 3D surface
Used to add animation to a 2D object
43
What 3D scene light is usually 25-50 % the strength of the main light and placed to the side?
Back light
Fill light
Key light
Spot light
44
When animating, if the wheels of a truck are rotating as the truck moves forward, WHEELS are:
Sisters
Children
Parent
Siblings
45
A leg, knee, and an ankle are a hierarchical in a 3D prog. What relationship below is correct?
Ankle to knee = parent to parent
Leg to ankle = child to parent
Knee to Leg = siblings
Leg to knee = parent to child
46
Why does a videotape purchased in Italy NOT play on a VCR in the US?
One is digital and one is analog
The videotapes are different sizes
One is 25 fps and one is 30 fps
One is stereo and one is mono
47
What camera technique do architects use to show clients what internal structure will look like?
Panning
Walkthrough
Zooming
Look at
48
The ability to have the wheels rotate while the truck moves forward is possible because:
Bump mapping
Falloff
Hierarchy
Look ahead tool
49
What does the falloff setting change or do to a light setup in a 3D scene?
Causes light to dim in proportion to how far the light is
Simulates the changing of a light's intensity over distance
Measures the amount of light fade or lessening of intensity
Describes how the light's shadow is placed
50
Why render a scene made in a 3D animation program?
Rendered files make corrections to the 3D scene easier
Allow it to be used and viewed in other applications
Render process uses less hard drive space than the open 3D.
Only way to save a scene in a 3D program
51
What indicated the number of frames per second contained in the source video or exported video?
Timecode
Frame rate
Aspect ratio
Frame size
52
What is produced when a student transforms an object during the 3D animation process?
Controller
Morph
Tween
Key frame
53
Which video production output would be digital?
VHS
AVI
SVHS
SMHS
54
A computer animation technique that fills in the missing frames between key frames is;
Tweening
Single path
Multiple path
Spline based
55
Bump map in 3D modeling programs created by:
Modification of polygon angles
Altering of surface polygon height
Movement of the polygon vertices
The illusion of light and dark areas
56
KL front above the item. 50% intensity FL in front and off the side. Bl ground level 1.5 xKL.
Side lighting or light that simulates sunlight
Low key lighting or night time scenes
High key light or interior, daylight
Frontal lighting or overhead light
57
What post-production editing technique adds a sense of reality such as streaks of light?
Volume fog
Depth of field
Lens Flare
Environmental map
58
What type of 3D light source is illustrated by the arrows in the figure?
Spot
Ambient
Infinite
Point
59
What is true about bump mapping?
The height, width, and depth of an object
It simulates the effect of depth on a 3D object
An affect that adds florescent lighting to a scene
2D patterns that are placed on a 3D surface
60
A student made an image in a 2D program, saved it as a bitmap, applied it to a sphere. This is:
Texture mapping
Gouraud shading
Blend shade
Boolean operation
61
What match concerning color bit information is CORRECT?
24-bit color is 13 million colors
1 bit color is black and white
32-bit color is 19 million color
8 bit color is 356 colors
62
What are hierarchical structures?
Many objects that are groups together
A complex object made of many objects
Two objects in the same scene
Objects that are combined into one object
63
The computer graphics light that produces a fuzziness around the edge of a hot spot is the:
Infinite light (Directional light)
Spotlight
Area light
Point light (local light)
64
How can you produce the various speeds of movement associated with a bouncing ball?
Use the sweep tool to move the ball in the correction motion
Make the ball follow a path using a path controller
Make all frames in an animation key frames
Edit the in and out movements for each key frame
65
When working with a 3D model, what is UVW mapping?
How a texture map is applied to an object on the X, Y, Z
Wire frame display used as a base to attach a texture map
The method of tiling or repeating a pattern on an object
Projection mapping used to apply a texture to an object
66
What camera parameter allows objects inside of focal range to become blurred, main stays focus
Zoom
Lens flare
Depth of field
Pan
67
An example of a computer graphics light that radiates light evenly in all directions is the:
Point light (Local light)
Spotlight
Area light
Infinite light (Directional light)
68
What is TRUE concerning audio settings used in video editing productions?
Title crawl is a static text window
Use of an alpha channel allows the title to be superimposed
Title clips allow text to move from the bottom of the screen
Title rolls move the text across the screen
69
What is NOT a use of hierarchical structures in a 3D animation program?
Movement of different parts can be controlled independently
Different elements can be linked together in parent child
Allows individual parts to be moved, rotated, scaled.
Welds objects together so they become one
70
Which term BEST describes a light that has an inside circle of bright light (hot spot) ?
Point light
Distance light
Colonization of light
Spot light
71
What specifies the dimensions (in pixels) for frames in a video edited production?
Frame rate
Frame size
Timecode
Aspect ratio
72
Which match is NOT correct concerning types of multimedia presentations?
AWI - PowerPoint
AVI - PC movie
MPEG - Video
Movie - Quicktime
73
What does the term, "opacity" refer to?
The object's shininess
How much light can pass through an object
The dominant wavelength of light
The lightness or darkness of an object
74
What does the decay setting change or do to a light setup in a 3D scene?
Measures the amount of light fade or lessening of intensity
Describes how the light's energy is dispersed
Cause the light to dim in proportion to how far the light is
Simulates the diminishing of a light's intensity
75
What is an example of audio format used in scientific visualization?
AVI
NTSC
JPEG
WAV
76
In a computer graphics three-light layout, the light that is opposite the Key light is the:
Backlight
Fill light
Ambient light
Key light
77
You wanted to produce a movie for European market. How many frames is needed for 1 min video?
1500
2500
3000
5000
78
What 3D technique should be used to show the appearance of light bending through water?
Reflection mapping
Bump mapping
UVW mapping
Refraction mapping
79
When a computer graphics surface has roughness, it has been assigned a:
Surface map
Bump map
Pattern map
Texture map
80
What is NOT standard video format?
NTSC
PAL
MPEG
WGAN
81
What is the most common type of compression used in animation?
TIFF
MOV
Cinepak
TADA
82
Which relationship is MOST like the relationship between storyboard and animation?
Outline to a novel
Title to a article
Printer to a computer
Operating system to a CPU
83
What device records light and sound as continuously changing electrical signals
Digital
Spline
Analog
Wireframe
84
How can a 2D texture appear seamless when applied to a 3D object?
Shading
Tiling
UVW mapping
Scaling
85
What 3D lighting setup would simulate an overhead light on a table?
High key
Side
Low key
Frontal
86
What type of light in a 3D program does NOT come from any one point?
Point
Spot
Ambient
Local
87
A computer graphics white light would probably be used to emphasize:
Early morning
Late afternoon
Midday
Nighttime
88
Why are digital formats preferred over analogue?
The data does not change with use
The data is easier to use
Analogue is harder to use
Digital is cheaper
89
Which file type is linear?
DVD
VHS
JPEG
CD-ROM
90
In a 3D scene, light intensity refers to:
Brightness
RGB value
Saturation
Color
91
What technique creates the illusion of shiny metals, glass by bouncing rays off the surface?
Bump mapping
Solid map
UVW map
Reflection mapping
92
Which is an analog device?
Floppy disk
CD-ROM
VHS tape
Computer hard drive

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