COGS 9 Lecture Notes - Lecture 9: Bar Chart, Scatter Plot, Photorealism
Document Summary
Learn what visualizing data gets you, and how it helps for more effective communication of information. We"re good at pattern recognition: scanning, recognizing, remembering images. Visualization goals explore/calculate: analyze, reason about information communication, explain, make decision. Graphs: at least 2 scale required, values associated by pair with relation, example. Chart: discrete relation between discrete entities, structure relates entities to one another, examples lines and relatives position serve as links family tree flow chart. Maps: example internal relations determined by the spatial relations of what is picture label paired with location topographic map. Diagram: schematic pictures of objects or entities, parts are symbolic, example. Better to use less complex, more schematic images recommend using animation for temporal data. Pre-attentive processing: more accurate less accurate, position length angle/slope area accuracy of interpretation of visual properties illusions and the relation to graphical integrity. People don"t perceive length, area, angle, brightness the way they should example: mueller lyon, delboeuf illusion.
