3D image of the day

Out of context: Reply #14

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  • PIZZA0


    "This image was generated in 1991 by simulating the motion of 29.8 Billion photons in a room. The room is 2 meters cubed with a 30 cm aperture in one wall. The opposite and adjacent walls are mirrors, so this is a 'tunnel of mirrors'. The depth of field is very shallow. In the foreground is a prism, resting on the floor. A beam of light emerges from the left wall, goes through the prism and makes a spectrum on the right wall. About 1 in 177 photons made it through the aperture.

    The image took 100 Sun SparcStation1s 1 month to generate using background processing time. This represents 10 CPU years of processing time. If the lights are 25 watt bulbs this represents a few picoseconds of time. This was 'grid computing' way before its time."


    Redone in 2004, 2.4 months render time with internet volunteers

    http://www.cpjava.net/photonproj…

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