C. P. , C. D. Montani-c, and R. C. Scopigno-r, Simplification of tetrahedral meshes with accurate error evaluation, VIS '00: Proceedings of the conference on Visualization '00, pp.85-92, 2000.

[. , C. J. , and S. P. Silva-c, Interactive rendering of large unstructured grids using dynamic level-of-detail, IEEE Visualization '05, pp.199-206, 2005.

C. P. Floriani-l, . Magillo-p, . Puppo-e, and . Scopigno-r, Selective refinement queries for volume visualization of unstructured tetrahedral meshes, IEEE Transactions on Visualization and Computer Graphics, vol.10, pp.1-29, 2004.

[. Ikits-m and C. J. Silva-c, Hardware-assisted visibility ordering for unstructured volume rendering, IEEE Transactions on Visualization and Computer Graphics, vol.11, issue.3, pp.285-295, 2005.

. [. Montani-c and . Scopigno-r, Magicsphere: an insight tool for 3d data visualization, Computer Graphics Forum, vol.13, issue.3, pp.317-328, 1994.

. [. Gasser-m and . Hauser-h, Interactive feature specification for focus+context visualization of complex simulation data, VISSYM '03: Proceedings of the symposium on Data visualisation 2003, pp.239-248, 2003.

W. [. Verma-v, Volume decimation of irregular tetrahedral grids, Computer Graphics International, p.222, 1999.

. [. Berger-c and . Hauser-h, High-quality two-level volume rendering of segmented data sets on consumer graphics hardware, VIS '03: Proceedings of the 14th IEEE Visualization 2003, p.40, 2003.

M. [. Farias-r, Gpu-based cell projection for interactive volume rendering, SIBGRAPI: Brazilian Symposium on Computer Graphics and Image Processing 0, pp.147-154, 2006.

. [. Kosara-r and . Hauser-h, Interactive focus+context visualization with linked 2d/3d scatterplots, 2nd International Conference on Coordinated & Multiple Views in Exploratory Visualization, 2004.

. [. Gross-m, Progressive tetrahedralizations, VIS '98: Proceedings of the conference on Visualization '98, pp.397-402, 1998.

. [. Strasser-w, Viewdependent tetrahedral meshing and rendering, GRAPHITE '05: Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia, pp.23-30, 2005.

. [. Strasser-w, Segmentbased tetrahedral meshing and rendering, GRAPHITE '06: Proceedings of the 4th international conference on Computer graphics and interactive techniques in Australasia and Southeast Asia, pp.469-477, 2006.

[. P. Shirley and . A. Tuchman-a, A polygonal approximation to direct scalar volume rendering, Proceedings San Diego Workshop on Volume Visualization, pp.63-70, 1990.
DOI : 10.1145/99308.99322

J. [. Hamann-b, Simplification of tetrahedral meshes with error bounds, IEEE Transactions on Visualization and Computer Graphics, vol.5, issue.3, pp.224-237, 1999.

. Vfsg06, . I. Viola, . Feixas-m, and G. M. Sbert-m, Importance-driven focus of attention, IEEE Transactions on Visualization and Computer Graphics, vol.12, issue.5, pp.933-940, 2006.

. [. Kraus-m, . Merz-m, and . Ertl-t, Hardware-based ray casting for tetrahedral meshes, Proc. Visualization '03, pp.333-340, 2003.

[. B. Moreland-k, . A. Fisk-l, and . Crossno-p, Tetrahedral projection using vertex shaders, VVS '02: Proceedings of the 2002 IEEE symposium on Volume visualization and graphics, pp.7-12, 2002.

[. L. Zhao-y, . Mueller-k, and . A. Kauf-man, The magic volume lens: An interactive focus+context technique for volume rendering, VIS '05: Proceedings of the 16th IEEE Visualization 2005, pp.0-47, 2005.