Algorithm research of ore body 3D model with integration of surface-volume elements and its implementatio
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摘要: 针对现有的矿体面-体混合建模方法要在表面模型和内部体元模型的边界处划分若干子块,存在子块的计算量随精度快速增加的问题,提出了一种基于矢量栅格一体化的矿体建模算法,重点研究了算法中表面与体元模型相交检测、ARTP体元剖切相交体元方法的实现。该算法采用剖分的体元代替子块,提高了计算精度,减少了数据冗余。Abstract: In view of problem that current surface-volume hybrid modeling method for ore body divided a number of subblocks at boundary of surface model and interior volume element model, while calculation amount of subblocks will increase rapidly along with accuracy, the paper proposed an ore body modeling algorithm based on vector-grid integration method. It studied implementation of algorithm of intersection inspection of surface model and volume element model, algorithm of sectioning intersection volume element with ARTP volume element. The algorithm adopts divisional volume elements instead of subblocks and improves calculation accuracy and reduces data redundancy.
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