The rule-based language XL and the modelling environment GroIMP illustrated with simulated tree competition

R. Hemmerling, O. Kniemeyer, D. Lanwert, W. Kurth, G.H. Buck-Sorlin

Research output: Contribution to journalArticleAcademicpeer-review

92 Citations (Scopus)

Abstract

The programming language XL ('eXtended L-system language') is an extension of Java, which supports the specification and execution of relational growth grammars, a variant of parallel graph grammars. XL is a powerful generalisation of the well-known L-system approach to functional-structural plant modelling. Some features of XL are discussed that are particularly useful for combining structure and function and for querying plant architectural data, and an exemplary functional-structural plant model of young beech trees is presented that is implemented in XL and includes PAR distribution, assimilate allocation and morphological plasticity. Together with a simpler model of spruce trees, this beech model is included in a virtual landscape with a mixed-species forest stand where competition for light occurs. The open-source platform GroIMP was used for the complete model development process and for visualising the results.
Original languageEnglish
Pages (from-to)739-750
JournalFunctional Plant Biology
Volume35
Issue number9-10
DOIs
Publication statusPublished - 2008

Keywords

  • grammar

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