May 2014
Intermediate to advanced
522 pages
16h 1m
English
Content preview from GPU Pro 5
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2
II
High Performance
Outdoor Light Scattering
Using Epipolar Sampling
Egor Yusov
2.1 Introduction
Light scattering effects in the atmosphere are crucial for creating realistic images
of outdoor scenes. These effects generate the blue color in a clear sky as well as
the spectrum of colors painting the horizon at sunset or sunrise. Light shafts,
or god rays, are also produced by the same physical phenomenon when some
sunlight is blocked by terrain features, such as mountains. Due to the complexity
and numerous computations required to accurately evaluate the airlight integral,
only rudimentary sky models are usually used in real-time rendering, which have
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.