DARKLIGHTS
Andrew S. Glassner, Xerox PARC, Palo Alto, California
Publisher Summary
This chapter presents an overview of darklights. Every image designer knows that appropriate illumination is an important part of an effective image. The play of light on the surfaces of the scene gives the image depth and mood, indicates position and character, reveals both objective visual information, and suggests subjective emotional impressions. Even objective physical rendering, when used in fields such as scientific visualization, requires sensitive judgement for the placement and control of illumination. The chapter discusses a tool that is used subconsciously by many painters and quite explicitly by many graphics designers. Darklights can ...
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