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Computational Science, Engineering & Technology Series
ISSN 1759-3158
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
2Institute for Computational Civil Engineering, Cracow University of Technology, Poland

Full Bibliographic Reference for this chapter
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).

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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