Parametric Modeling Method for 3D Symbols of Fault Structures

IF 2.1 3区 地球科学 Q2 GEOGRAPHY Transactions in GIS Pub Date : 2024-09-04 DOI:10.1111/tgis.13242
An‐Bo Li, Hao Chen, Xian‐Li Xie, Guo‐Nian Lü, Matthew Fox
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Abstract

As the research and application of three‐dimensional (3D) Geographic Information Science (GIS) continue to advance, the abstract representation and symbolic modeling of geological entities in three dimensions have become one of the research focuses in the current GIS field. To address the need for the symbolic representation of complex and diverse fault structures, this paper proposes a parametric modeling method for 3D fault symbols. This method includes (1) constructing a 3D stratum model and a fault plane model based on stratum and fault plane parameters, (2) performing a 3D cutting operation based on the fault plane model to generate the fault block model, and (3) translating the strata in two faultblocks according to the parameters of fault motion to generate a fault symbol model. The experimental results show that the proposed method requires only a small number of parameters to efficiently and intuitively construct diverse 3D fault symbol models. This method breaks through the excessive dependence on geological survey data in the process of 3D geological modeling. It is suitable for 3D geological symbol modeling of folds, joints, intrusions, and other geological structures, as well as 3D modeling of typical geological structures with relatively simple spatial morphology. This paper's parametric modeling method has essential research significance and application value in various applications such as digital earth, digital city, and virtual geoscience exploration.
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断层结构三维符号的参数建模方法
随着三维地理信息科学(GIS)研究和应用的不断深入,地质实体的三维抽象表示和符号建模已成为当前 GIS 领域的研究重点之一。针对复杂多样的断层结构的符号化表达需求,本文提出了一种三维断层符号的参数化建模方法。该方法包括:(1)根据地层和断层平面参数构建三维地层模型和断层平面模型;(2)根据断层平面模型进行三维切割操作,生成断层块模型;(3)根据断层运动参数平移两个断层块中的地层,生成断层符号模型。实验结果表明,所提出的方法只需少量参数,就能高效、直观地构建多样化的三维断层符号模型。该方法突破了三维地质建模过程中对地质调查数据的过度依赖。它适用于褶皱、节理、侵入体等地质构造的三维地质符号建模,也适用于空间形态相对简单的典型地质构造的三维建模。本文的参数化建模方法在数字地球、数字城市、虚拟地质勘探等多个应用领域具有重要的研究意义和应用价值。
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来源期刊
Transactions in GIS
Transactions in GIS GEOGRAPHY-
CiteScore
4.60
自引率
8.30%
发文量
116
期刊介绍: Transactions in GIS is an international journal which provides a forum for high quality, original research articles, review articles, short notes and book reviews that focus on: - practical and theoretical issues influencing the development of GIS - the collection, analysis, modelling, interpretation and display of spatial data within GIS - the connections between GIS and related technologies - new GIS applications which help to solve problems affecting the natural or built environments, or business
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