Homework
I. Arrange Networks and Trees
1. Briefly introduce how Force-directed algorithms encode networks.
2. In force-directed placement, does spatial proximity (visual clump) always indicate grouping/ community? Explain.
3. One of the weaknesses of force-directed placement is that the layouts are often nondeterministic. What does it mean?
4. Illustrate the scalability issue of force-directed placement briefly.
5. How does adjacency matrix encode networks?
6. 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.
7. How does treemaps encode trees?
8. Given an example of Treemap layout that's not from the textbook and explain what it is. You need to include the reference if the answer is found online.
II. Map Color and Other Channels
1. Color can be best understood in terms of three separate channels: luminance, hue, and saturation. Briefly explain how does this system specify colors. (Figures can be used to help illustration.)
2. Explain the meaning of HSL /HSV and how does this system specify colors?
3. What are three major problems with the common continuous rainbow colormap?
4. Is there any way to address these three problems? Explain how.
Format your homework according to the give formatting requirements:
1. The answer must be double spaced, typed, using Times New Roman font (size 12), with one-inch margins on all sides.
2. The response also includes a cover page containing the title of the homework, the course title, the student's name, and the date. The cover page is not included in the required page length.
3. Also include a reference page. The references and Citations should follow APA format. The reference page is not included in the required page length.