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Amazing Raytracing

We all know raytracing as a way to determine the quality of optical systems. However, the inverse form - shooting photons from the image to the scene to see where they came from - has been used for a long time in photorealistic rendering. A short movie, fully developed and rendered using open source tools has now been made available at http://www.elephantsdream.org/ . AFAIAC, quite amazing and intriguing, although the story (or perceived lack of it) might not appeal to all.  

posted by multiplex @ 09:55