Interactive Pruning Simulation of Apple Tree
Pruning treatment is one of the important management practices of perennial fruit tree cultivation. Combining fruit tree growth theory with mathematics model and software development is an effective way in agricultural research. Virtual apple tree is buil
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College of Information and Electric Engineering, China Agriculture University, Beijing, China [email protected] State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Science, Beijing, China
Abstract. Pruning treatment is one of the important management practices of perennial fruit tree cultivation. Combining fruit tree growth theory with mathematics model and software development is an effective way in agricultural research. Virtual apple tree is built as a case to study pruning treatment in this paper. First, architectural development of apple tree was analyzed and stored in xml file. Then, the simulation software of apple tree pruning is build based on the Qt framework and OpenGL graphics library. The interactive pruning and automatic pruning with setting conditions are realized in the software. Reaction laws of apple tree pruning are extracted from the analysis on the experiment data. Stochastic 3D apple tree architectures after being pruned also can be simulated. Result indicates that simulation is efficient, accurate and timely judgment of pruning reaction is possible. This work is the foundation of future research, which will simulate the apple tree development of architecture and biomass after pruning treatment over time. Keywords: Apple tree
Pruning Interactive Simulation
1 Introduction Tree architecture plays a key role in foliage distribution and consequently in light interception and carbon acquisition, which in turn strongly affect the reproductive growth of fruit trees. Pruning treatment is one of common measures for architecture study in perennial fruit tree cultivation. Reasonable pruning plays a key role in tree fruit quantity and quality [1]. It had been found that removal of flowering shoots at a young stage of growth with less pruning of old branches tends to stimulate growth of the remaining shoots and fruit set of adjacent inflorescences [2–4], Jean Stephan studied the effect of pruning strategies on shoot demography and development during 2 years based on experiment and demographic approach [5]. A biological model of apple tree production and a biomechanical model of apple tree development using mixed statistics are built successively [6, 7]. The perennial nature of apple tree make modeling complex, but the simplifications and codes description of tree topology presented by Costes make apple tree model possible [8, 9]. Many models are focus on the apple tree growth and development under the natural state rather than after pruning [10, 11]. Pruning research based on virtual apple tree model can be meaningful and efficient. However, © IFIP International Federation for Information Processing 2016 Published by Springer International Publishing AG 2016. All Rights Reserved D. Li and Z. Li (Eds.): CCTA 2015, Part I, IFIP AICT 478, pp. 604–611, 2016. DOI: 10.1007/978-3-319-48357-3_58
Interactive Pruning Simulation of Apple Tree
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few interactive virtual platform of apple tree pruning are found [12, 13]. The work in this paper i
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