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4 January 2006 Approach of arbitrary clipping in volume rendering
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Proceedings Volume 5985, International Conference on Space Information Technology; 598508 (2006)
Event: International Conference on Space information Technology, 2005, Wuhan, China
This paper proposes a new clipping method that is capable of using arbitrary geometries in volume rendering. With the assistance of pre-computed outer contour mesh, the method adopts Constructive Solid Geometry (CSG) for clipping, and uses 3D texture for the rendering of clipping surface. The outer contour mesh defines the boundary of the volume data, and improves the efficiency of clipping and rendering. Furthermore, CSG-based clipping method protects the topology of geometries. This method computes the texture coordinate in vertex shader to implement the 3D texture mapping, and achieves high frame rates based on the powerful programming graphics hardware.
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Lan Lin, Lijun Li, Jianzhong Zhou, and Qing Jiang "Approach of arbitrary clipping in volume rendering", Proc. SPIE 5985, International Conference on Space Information Technology, 598508 (4 January 2006);

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