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Nathan Kopp wrote:
> Anyway, a photon map 3d. The data is stored in a data structure called a
> kd-tree (in this case, a 3d-tree). The kd-tree is similar to a binary tree,
> but each split could occur on any one of the three dimensions. Each
> forwards-ray-trace intersection is stored in the tree with intensity and
> directional data. This allows quick access to the data.
>
> During the final rendering step, the tree is searched to find data points
> that are near the current point.
>
> -Nathan
I've been trying to search the web on information regarding this kd-tree
specifically. Can you suggest a website that I may go to so that I can read
more.
earl
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