These are some of the papers and resources related to virtual texturing:

http://anteru.net/2008/07/25/242/

http://www.pcper.com/article.php?aid=532&type=overview

http://en.wikipedia.org/wiki/MegaTexture

还有GigaVoxel

GigaVoxels : Ray-Guided Streaming for Efficient and Detailed Voxel Rendering

Beyond Triangles : GigaVoxels Effects In Video Games

http://www.icare3d.org 相关的东西。

google: a sparse voxel octree data structure

http://www.tomshardware.com/reviews/voxel-ray-casting,2423-5.html The advantage of sparse voxel octrees.

http://raytracey.blogspot.com/2008/08/voxel-ray-tracing-vs-polygon-ray.html

Efficient sparse voxel octrees, NVIDA在google code上提供cuda实现.

Andreas Neu, Bachelor Thesis, Virtual Texturing, April 2010;

Albert Julian Mayer, Vertual Texturing, http://www.cg.tuwien.ac.at/research/publications/2010/Mayer-2010-VT/Mayer-2010-VT-Paper.pdf;