Continuous tone representation of three-dimensional objects illuminated by sky light

@inproceedings{Nishita1986ContinuousTR,
  title={Continuous tone representation of three-dimensional objects illuminated by sky light},
  author={Tomoyuki Nishita and Eihachiro Nakamae},
  booktitle={SIGGRAPH},
  year={1986}
}
Natural lighting models to date have been limited to calculation of direct sunlight. However, this paper proposes an improved model for natural lighting calculations that adequately considers both direct sunlight and scattered light caused by clouds and other forms of water vapor in the air. Such indirect natural light is termed skylight and can be an important factor when attempting to render realistic looking images as they might appear under overcast skies.In the proposed natural lighting… CONTINUE READING
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