Physically-based simulation of twilight phenomena

@article{Haber2005PhysicallybasedSO,
  title={Physically-based simulation of twilight phenomena},
  author={J{\"o}rg Haber and M. Magnor and H. Seidel},
  journal={ACM Trans. Graph.},
  year={2005},
  volume={24},
  pages={1353-1373}
}
We present a physically-based approach to compute the colors of the sky during the twilight period before sunrise and after sunset. The simulation is based on the theory of light scattering by small particles. A realistic atmosphere model is assumed, consisting of air molecules, aerosols, and water. Air density, aerosols, and relative humidity vary with altitude. In addition, the aerosol component varies in composition and particle-size distribution. This allows us to realistically simulate… Expand
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