An improved illumination model for shaded display

@article{Whitted1980AnII,
  title={An improved illumination model for shaded display},
  author={T. Whitted},
  journal={Commun. ACM},
  year={1980},
  volume={23},
  pages={343-349}
}
  • T. Whitted
  • Published 1980
  • Computer Science
  • Commun. ACM
  • To accurately render a two-dimensional image of a three-dimensional scene, global illumination information that affects the intensity of each pixel of the image must be known at the time the intensity is calculated. [...] Key Method A visible surface algorithm creates this tree for each pixel of the display and passes it to the shader. The shader then traverses the tree to determine the intensity of the light received by the viewer. Consideration of all of these factors allows the shader to accurately simulate…Expand Abstract
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