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Contouring Curved Quadratic Elements
(The Eurographics Association, 2003)
We show how to extract a contour line (or isosurface) from quadratic elements - specifically from quadratic triangles and tetrahedra. We also devise how to transform the resulting contour line (or surface) into a quartic ...
Using Graphs for Fast Error Term Approximation of Time-varying Datasets
(The Eurographics Association, 2003)
We present a method for the efficient computation and storage of approximations of error tables used for error estimation of a region between different time steps in time-varying datasets. The error between two time steps ...