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Computational Science, Engineering & Technology Series
ISSN 1759-3158 CSETS: 17
MESH PARTITIONING TECHNIQUES AND DOMAIN DECOMPOSITION METHODS Edited by: F. Magoulès
Chapter 3
Visualisation of Graph Partitioning and Distributed Finite Element Data with VTK F. Magoulès1 and R. Putanowicz2
1Applied Mathematics and Systems Laboratory, Ecole Centrale Paris, Chatenay-Malabry, France F. Magoulès, R. Putanowicz, "Visualisation of Graph Partitioning and Distributed Finite Element Data with VTK", in F. Magoulès, (Editor), "Mesh Partitioning Techniques and Domain Decomposition Methods", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 3, pp 59-88, 2007. doi:10.4203/csets.17.3
Keywords: mesh partitioning, finite element, visualisation, computer graphic, visualisation
toolkit (VTK), scripting language (Tcl).
Abstract
This chapter provides an introduction to the visualisation of unstructured finite element
mesh partitioning with VTK - "The Visualization ToolKit Library". VTK is a
software system for computer graphics, visualisation and image processing. In this
chapter, simple data and complex data file visualisation with VTK are successively
presented, followed by several useful and important functionalities like drawing mesh,
labelling points, labelling cells, colour bar, saving to a file, and so on. The case of unstructured
finite element mesh partitioning is then investigated. Programmingmethodology
is fully provided for the reader, and detailed examples are clearly described. The
proposed examples are written in the scripting language (Tcl) with calls to the VTK
library. These simple scripts can be downloaded from the web page of the authors,
and could easily be extend to specific visualisation purposes like acoustics, electromagnetism,
fluid mechanics, structural mechanics, as shown in the other chapters of
this book.
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