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Title:
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Z-DIAMONDS: A FAST ISO-SURFACE EXTRACTION ALGORITHM FOR DYNAMIC MESHES |
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Author(s):
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Slavomír Petrík , Václav Skala |
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ISBN:
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978-972-8924-39-3 |
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Editors:
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António Palma dos Reis, Katherine Blashki and Yingcai Xiao (series editors:Piet Kommers, Pedro Isaías and Nian-Shing Chen) |
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Year:
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2002 |
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Edition:
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Single |
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Keywords:
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Iso-surface, dynamic, interactive visualization |
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Type:
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Full Paper |
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First Page:
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67 |
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Last Page:
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73 |
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Language:
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English |
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Cover:
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Full Contents:
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click to dowload 
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Paper Abstract:
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Dynamic simulation meshes are successfully used in many scientific and engineering fields. We present simple and
efficient algorithm for a fast extraction of the iso-surfaces from the data sets with dynamic mesh. Simulation mesh at each
time step is preprocessed into a list of diamonds composed of the original mesh cells. The min / max values of all
diamonds are stored in a Time-space Partitioning Tree (TSP), which is used to quickly locate the diamonds intersected by
a queried iso-surface. To overcome the large memory requirements due to the dynamic changes of a simulation mesh, an
out-of-core approach is used to dynamically load geometry of the active diamonds during visualization. We demonstrate
our approach on the data sets from the Computational Fluid Dynamics (CFD) simulations. |
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