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首页> 外文期刊>Computers & geosciences >Three-dimensional Reconstruction Of The Carrara Syncline(apuane Alps,italy): An Approach To Reconstruct And Control A geological Model Using Only Field Survey Data
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Three-dimensional Reconstruction Of The Carrara Syncline(apuane Alps,italy): An Approach To Reconstruct And Control A geological Model Using Only Field Survey Data

机译:卡拉拉向斜线(意大利,Apuane阿尔卑斯山)的三维重建:仅使用野外测量数据即可重建和控制地质模型的方法

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摘要

This paper presents an approach to reconstruct geological structures in three dimensions using and honouring field survey geological data.The methodology was developed to reconstruct the poly-deformed Carrara Syncline (Apuane Alps,Italy) in order to better understand the relationships regarding the structural geology of the area and the hydrogeological fluxes. In the first step,all the geological data (observed,measured and interpreted) of the study area were organized in a database using a geographical information system.The standard tools of a computer-aided design (CAD) environment were used to build geological profiles using the observed data (outcropping contact lines) extracted from the database,as well as,to create the contact surfaces via interpolation using non-uniformal rational B-spline surfaces.The intersection lines between each of these surfaces and the digital elevation model yield the model contact lines (MCLs).Discrepancies between the MCLs and the corresponding outcropping contact lines were analysed to further constrain the surfaces of the model.Starting from these surfaces,a voxel-based solid model was built,for storing and displaying each rock formation.
机译:本文提出了一种利用并尊重实地调查地质数据在三维上重建地质构造的方法。为了更好地了解与构造地质有关的关系,开发了重建多变形卡拉拉向斜线(意大利阿普安阿尔卑斯山)的方法。面积和水文地质通量。第一步,使用地理信息系统将研究区域的所有地质数据(观测,测量和解释)组织在数据库中。使用计算机辅助设计(CAD)环境的标准工具来构建地质剖面使用从数据库中提取的观测数据(露头接触线),以及使用非均匀有理B样条曲面通过插值创建接触面。这些面与数字高程模型之间的相交线产生模型接触线(MCL)。分析了MCL与相应露头接触线之间的差异,以进一步约束模型的表面。从这些表面开始,构建基于体素的实体模型,用于存储和显示每个岩层。

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