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Advances in Geosciences An open-access journal for refereed proceedings and special publications
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Volume 4
Adv. Geosci., 4, 37-44, 2005
https://doi.org/10.5194/adgeo-4-37-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
Adv. Geosci., 4, 37-44, 2005
https://doi.org/10.5194/adgeo-4-37-2005
© Author(s) 2005. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  09 Aug 2005

09 Aug 2005

OpenMI: the essential concepts and their implications for legacy software

J. B. Gregersen1, P. J. A. Gijsbers2, S. J. P. Westen3, and M. Blind4 J. B. Gregersen et al.
  • 1DHI – Water & Environment, Agern Allé 5, 2970 Hørsholm, Denmark
  • 2WL/Delft Hydraulics, P.O. Box 177, 2600 MH Delft, The Netherlands
  • 3WSL – Wallingford Software Ltd, Howbery Park, Wallingford, OX10 8BA, UK
  • 4RIZA Institute for Inland Water Management and Waste Water Treatment, P.O. Box 17, 8200 AA Lelystad, The Netherlands

Abstract. Information & Communication Technology (ICT) tools such as computational models are very helpful in designing river basin management plans (rbmp-s). However, in the scientific world there is consensus that a single integrated modelling system to support e.g. the implementation of the Water Framework Directive cannot be developed and that integrated systems need to be very much tailored to the local situation. As a consequence there is an urgent need to increase the flexibility of modelling systems, such that dedicated model systems can be developed from available building blocks. The HarmonIT project aims at precisely that. Its objective is to develop and implement a standard interface for modelling components and other relevant tools: The Open Modelling Interface (OpenMI) standard. The OpenMI standard has been completed and documented. It relies entirely on the "pull" principle, where data are pulled by one model from the previous model in the chain. This paper gives an overview of the OpenMI standard, explains the foremost concepts and the rational behind it.

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