Arrange Networks and Trees

Q1. (a) Briefly introduce how Force-directed algorithms encode networks. (5 points)
(b) In force-directed placement, does spatial proximity (visual clump) always indicate grouping/ community? Explain. (5 points)
(c) One of the weakness of force-directed placement is that the layouts are often nondeterministic. What does it mean? (5 points)
(d) Illustrate the scalability issue of force-directed placement briefly. (5 points)

Q2. (a) How does adjacency matrix encode networks? (5 points)
(b) Give an example of matrix view of a network that’s not from the textbook and explain what it is. You need to include the reference if the answer is found online. (5 points)

Q3. (a) How does tree maps encode trees? (5 points)
(b) Given an example of Tree map layout that’s not from the textbook and explain what it is. You need to include the reference if the answer is found online. (5 points)

Map Color and Other Channels

Q4. Color can be best understood in terms of three separate channels: luminance, hue, and saturation. Briefly explain how this system specifies colors. (Figures can be used to help illustration.) (5 points)

Q5. Explain the meaning of HSL /HSV and how does this system specify colors? (5 points)

Q6. (a) What are three major problems with the common continuous rainbow colormap? (6 points)
(b) Is there any way to address these three problems? Explain how. (4 points)

Arrange Networks and Trees

Q1. (a) Briefly introduce how Force

directed algorithms encode networks. (5 points)

(b) In force

directed placement, does spatial proximity (visual clump) always indicate
grouping/ community? Explain. (5 points)

(c) One of the weakness of force

directed placement is that the layouts are often
nondeterministic. What does it mean? (5 points
)

(d) Illustrate the scalability issue of force

directed placement briefly. (5 points)

Q2. (a) How does adjacency matrix encode networks? (5 points)

(b) Give an example of matrix view of a network that’s not from the textbook and
explain what it is. You
need to include the reference if the answer is found online. (5
points)

Q3. (a) How does
tree maps

encode trees? (5 points)

(b) Given an example of
Tree map

layout that’s not from the textbook and explain what
it is. You need to include the reference if th
e answer is found online. (5 points)

Map Color and Other Channels

Q4. Color can be best understood in terms of three separate channels: luminance, hue,
and saturation. Briefly explain how
this system specifies

colors. (Figures can be used to
help il
lustration.) (5 points)

Q5. Explain the meaning of HSL /HSV and how does this system specify colors? (5
points)

Q6. (a) What are three major problems with the common continuous rainbow
colormap? (6 points)

(b) Is there any way to address these three

problems? Explain how. (4 points)

Arrange Networks and Trees

Q1. (a) Briefly introduce how Force-directed

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