By Colin Ware
Such a lot designers recognize that yellow textual content offered opposed to a blue heritage reads in actual fact and simply, yet what percentage can clarify why, and what particularly are the easiest how you can aid others and ourselves essentially see key styles in a number of information? This booklet explores the artwork and technological know-how of why we see gadgets the way in which we do. in accordance with the technological know-how of notion and imaginative and prescient, the writer provides the main ideas at paintings for a variety of applications--resulting in visualization of stronger readability, application, and persuasiveness. The publication bargains functional directions that may be utilized through somebody: interplay designers, image designers of every kind (including net designers), facts miners, and fiscal analysts. *First paintings to exploit the technology of conception to assist severe designers and analysts optimize knowing and notion in their info visualizations.* significant revision of this vintage paintings, with a brand new bankruptcy on visible considering, new sections on face notion and stream visualization, and a far improved bankruptcy on colour and colour sequences. *New to this variation is the whole colour remedy all through, to higher demonstrate over four hundred illustrations.
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Extra info for Information Visualization: Perception for Design, 2nd Edition
Example text
Pictures as Sensory Languages The question of whether pictures and diagrams are purely conventional, or are perceptual symbols with special properties, has been the subject of considerable scientific investigation. A good place to begin reviewing the evidence is the perception of pictures. There has been a debate over the last century between those who claim that pictures are every bit as arbitrary as words and those who believe that there may be a measure of similarity between pictures and the things that they represent.
These classes of data can be very useful in discussing visualization techniques. For example, here are two generalizations: (1) Using graphic size (as in a bar chart) to display category information is likely to be misleading, because we tend to interpret size as representing quantity. (2) If we map measurements to color, we can perceive nominal or, at best, ordinal values, with a few discrete steps. Perceiving metric intervals using color is not very effective. Many visualization techniques are capable of conveying only nominal or ordinal data qualities.
Sensory immediacy: The processing of certain kinds of sensory information is hard-wired and fast. We can represent information in certain ways that are neurally processed in parallel. 8, which shows five different textured regions. The two regions on the left are almost impossible to separate. The upright Ts and inverted Ts appear to be a single patch. The region of oblique Ts is easy to differentiate from the neighboring region of inverted Ts. The circles are the easiest to distinguish (Beck, 1966).