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Interactive Volume Rendering of Adaptive Mesh Refinement Data

Please always quote using this URN: urn:nbn:de:0297-zib-6561
  • Many phenomena in nature and engineering happen simultaneously on rather diverse spatial and temporal scales, i.e.\ exhibit a multi-scale character. Therefore various hierarchical data structures and numerical schemes have been devised to represent quantitatively such phenomena. A special numerical multilevel technique, associated with a particular hierarchical data structure, is so-called Adaptive Mesh Refinement (AMR). This scheme achieves locally very high spatial and temporal resolutions. Due to its popularity, many scientists are in need of interactive visualization tools for AMR data. In this article we present a 3D texture-based volume rendering algorithm for AMR data, that directly utilizes the hierarchical structure. Thereby interactive rendering even for large data sets is achieved. In particular the problems of interpolation artifacts, opacity corrections, and texture memory limitations are addressed. The algorithm's value in practice is demonstrated with simulation and image data.

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Author:Ralf Kähler, Hans-Christian HegeORCiDGND
Document Type:ZIB-Report
Tag:3D texture mapping; AMR hierarchies; Scalar field visualization; multiresolution volume rendering
MSC-Classification:68-XX COMPUTER SCIENCE (For papers involving machine computations and programs in a specific mathematical area, see Section -04 in that area) / 68Uxx Computing methodologies and applications / 68U05 Computer graphics; computational geometry [See also 65D18]
Date of first Publication:2001/10/18
Series (Serial Number):ZIB-Report (01-30)
Published in:Appeared in: The Visual Computer 18 (2002) 8, 481-492
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