[1]Zhang Xu,Yao Chen,Du Ting,et al.Three-dimensional visual simulation and root morphological parameter analysis of three slope protection plants in loess region[J].Research of Soil and Water Conservation,2025,32(01):218-226.[doi:10.13869/j.cnki.rswc.2025.01.032]
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Three-dimensional visual simulation and root morphological parameter analysis of three slope protection plants in loess region
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
32
Number of periods:
2025 01
Page number:
218-226
Column:
Public date:
2025-01-10
- Title:
- Three-dimensional visual simulation and root morphological parameter analysis of three slope protection plants in loess region
- Keywords:
- loess region; the whole plant; 3D visual simulation; SketchUp; root morphology
- CLC:
- Q945.79
- DOI:
- 10.13869/j.cnki.rswc.2025.01.032
- Abstract:
- [Objective]Digitizing plant roots and performing three-dimensional physical visualization simulations have important theoretical and practical significance for understanding plant root morphology and providing a physical plant library for water conservation project drawing. [Methods]The root systems of three types of slope protection plants, Ziziphus jujuba Mill. var. spinosa, Hippophae rhamnoides, and Sophora davidii, were excavated layer by layer in the loess area. The 3D digitizer FasTrak was used to obtain the three-dimensional lattice coordinates of the root system, and then SketchUp software was used to conduct three-dimensional models of the root system and extract the root system morphology parameters. In order to establish a complete above-ground and underground three-dimensional entity library of plants, the FreeScan UE laser scanner was used to obtain the corresponding above-ground point cloud data, and the above-ground three-dimensional model of the plant was established after rendering with Solidworks software. [Results](1)The established three-dimensional plant model diagram truly restores the original form of the plant.(2)The root width/root depth of the three types of plants are all greater than 1(1.10～3.41), and the root system has an advantage in the horizontal direction. The minimum value of Sophora davidii, is 1.10; the crown width/root width of the three plants are Ziziphus jujuba Mill. var. spinosa(0.25), Hippophae rhamnoides(0.69), and Sophora davidii (0.73), both are less than 1, and the plant roots are dominant in the horizontal direction compared with the aboveground parts. The topological index of Fitter of the three plants was close to 1. Ziziphus jujuba Mill. var. spinosa(0.915), Hippophae rhamnoides(0.802)and Sophora davidii(0.771), which were close to the herringbone branching. The total root length, total surface area, and total volume of plant roots all account for more than 50% in the up-slope direction, and they are all more advantageous in the up-slope direction. [Conclusion]The established three-dimensional plant model diagram has a high degree of plant reduction, and provides a method for the three-dimensional visual simulation of the entire plant.
- References:
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Last Update:
2025-01-10