Graphical encoding in information visualization

  • Authors:
  • Lucy Terry Nowell

  • Affiliations:
  • Virginia Tech, Blacksburg, VA

  • Venue:
  • CHI EA '97 CHI '97 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 1997

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Abstract

In producing a design to visualize search results for a digital library called Envision [5, 7], we found that choosing graphical devices and document attributes to be encoded with each graphical device is a surprisingly difficult task. By graphical devices we mean those visual display elements (e.g., color, shape, size, position, etc.) used to convey encoded information. Research in several areas provides scientific guidance for design and evaluation of graphical encodings which might otherwise be reduced to opinion and personal taste. However, literature offers inconclusive and often conflicting viewpoints, leading us to further empirical research.