what are sparse voxel octrees?

Posted by pdeva on Stack Overflow See other posts from Stack Overflow or by pdeva
Published on 2009-06-12T09:48:44Z Indexed on 2010/05/02 21:27 UTC
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I have reading a lot about the potential use of sparse voxel octrees in future graphics engines.

However I have been unable to find technical information on them.

I understand what a voxel is, however I dont know what sparse voxel octrees are or how are they any more efficient than the polygonal techniques in use now.

Could somebody explain or point me to an explanation for this?

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