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Adaptive Contouring with Quadratic Tetrahedra
Abstract
We present an algorithm for adaptively extracting and rendering iso- surfaces of scalar-valued volume datasets represented by quadratic tetrahedra. Hier- archical tetrahedral meshes created by longest-edge bisection are used to construct a multiresolution C0-continuous representation using quadratic basis functions. A new algorithm allows us to contour higher-order volume elements efficiently.
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