Communications of the ACM
New Technique Improves Rendering of Smoke, Dust and Participating Media
Credit: Disney Research
Researchers at the Karlsruhe Technical Institute, Disney Research, and the University of Montreal say they have developed a new and efficient way to simulate how light is absorbed and scattered in scenes filled with smoke or dust.
"Our technique could be used to simulate anything from vast cloudscapes, to everyday 'solid' objects such as a glass of orange juice, a piece of fruit, or virtually any organic substance," says Disney researcher Wojciech Jarosz.
The virtual ray lights technique will be presented at the SIGGRAPH 2012 conference.
The researchers found that using long and thin beams of light is more efficient than previous methods in terms of serving as a building block for generating images. The technique enables computer graphics experts to simulate more realistic participating media effects. The virtual ray lights technique also was designed to be flexible, and the researchers anticipate it will be used in many areas of the computer animation and special effects industry. The progressive design of virtual ray lights means that they can very rapidly produce a preview-quality result while converging to a final result with the passage of time.
From PhysOrg.com
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