Titlebook: Hierarchical and Geometrical Methods in Scientific Visualization; Gerald Farin,Bernd Hamann,Hans Hagen Conference proceedings 2003 Springe

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Extraction of Crack-free Isosurfaces from Adaptive Mesh Refinement Data,tion of phenomena characterized by substantially varying scales in complexity. By using a set of nested grids of different resolutions, AMR combines the simplicity of structured rectilinear grids with the possibility to adapt to local changes in complexity within the domain of a numerical simulation

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多節(jié)

Efficient Error Calculation for Multiresolution Texture-based Volume Visualization,ation of a transfer function is necessary for proper exploration of a data set. However, multiresolution techniques require assessing the accuracy of the resulting images, and re-computing the error after each change in a transfer function is very expensive. We extend our existing multiresolution vo

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Venules

Terrain Modeling Using Voronoi Hierarchies,e with associated function values defining a height field, our algorithm constructs a top-down hierarchy of smooth approximations. We use the convex hull of the given sites as domain for our hierarchical representation. Sibson’s interpolant is used to approximate the underlying height field based on

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Multiresolution Representation of Datasets with Material Interfaces,n the meshes of computational data sets are often a source of error for simplification algorithms because they represent discontinuities in the scalar or vector field over mesh elements. By representing material interfaces explicitly, we are able to provide separate field representations for each ma

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