Networks 2

cs5984: Information Visualization

Chris North

Today• Korn, “Multi-Digraphs”, web

» shumei, yuying

                                    

Adjacency Matrix

Connex

by

PNNL

Hierarchical Aggregation• by Feiner

• 1. Cluster

• 2. Group hierarchically

Hierarchical Aggregation

Hierarchical Aggregation

• 3. Link inheritance

ThinkMap – Visual Thesaurus• http://www.visualthesaurus.com

• Show only depth 1 from focus node

Harmony Web Browser

• by Keith Andrews

• Show limited depth from focus node

Harmony Web Landscape

• 3D

Back to hierarchies

• SGI file system navigator

• Jurassic Park

Pyramids

Ugh!

Assignment

• Read for Thurs• Wise, “Themescapes”, book pg 442

» maulik, chris r

• Read for Tues• Hearst, “Tilebars”, web

» umer, ashwini

• Homework #3: due Thurs

• Mid-Project status report: due Tues

Homework 2 results• “Show me the data!!!”

• Start by showing ALL data, instead of NO data

• Paths + times

• Browse, not search• Exploratory, not algorithmic

• System canNOT optimize a path for me, I can.

• E.g what if x, y, or t in my questions are not known?

• Free your mind• No more standard GUI (Forms, buttons, combo-boxes, etc)

• Graphics + direct manipulation

• Think Different.• Set your sights big

• When you think you are done, show more

Homework 2 solutions• 3D:

• Map x,y; Time z

• Paths = 3d curves; buses = points

• Rotation, slicing

• Color:• Map x,y; Time color

• Paths = 2d colored curves; buses = points

• Timeline

• Schedules:• Locations x (parallel-coord lines)

• Time y

• Paths = connected line segments across par-coords

Visualizing travel plan schedules

• Timing of :

• potential Airline flights, layovers, stops

• driving

• Events, meetings

• Timezone changes

• Multiple stops

• Group travel! From different locations…

• Cost