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Dec 15, 2018 - 01:53 AM  

Realsoft 3D Photon Mapping

Posted by: Admin on Saturday, April 07, 2012 - 10:26 PM Print article Printer-friendly page  Email to a friend
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Realsoft 3D version 8 will include an advanced photon mapping toolkit. Thanks to some ground breaking innovations in noise reduction, photon map can be rendered directly without so called Final Gathering stage. This means that the static photon map can be computed once and reused many times in successive animation frames very quickly.

The first example, a walktrough in the well known sponza atrium scene was rendered this way. Once the time consuming photon map computation was done, rendering took only 20 seconds per frame in a modest dual core computer.

A static photon map can also be combined with a dynamically computed GI solution. The
second example demonstrates this. The moving item uses the standard GI shader of Realsoft 3D v7, whereas the rest of the scene is illuminated with a static photon map. Here the GI shader uses low, quickly computed recursion depth, because the photon mapped illumination distributes the light sufficiently.

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