COMPUTING AND INFORMATICS, Vol 36, No 1 (2017)

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Realization and Extension of the Xfrog Approach for Plant Modelling in the Graph-Grammar Based Language XL

Michael Henke, Ole Kniemeyer, Winfried Kurth

Abstract


Two well-known approaches for modelling virtual vegetation are grammar-based methods (L-systems) and the Xfrog method, which is based on graph transformations expanding "multiplier" nodes. We show that both approaches can be unified in the framework of "relational growth grammars", a variant of parallel graph grammars. We demonstrate this possibility and the synergistic benefits of the combination of both methods at simple plant models which were processed using our open-source software GroIMP.

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