摘要
地层通常是不规则的曲面且不能用数学表达式表达。根据地层的特点,借鉴数字高程的思想,提出了多层DEM的方法,并采用适当的地层面拟合函数,建立了真三维地层模型。实现了三维地层可视化的一些基本功能,例如旋转、放大、缩小、分层显示和任意切割剖面等。
The strata are usually irregularly curved surfaces and can not be expressed mathematically. According to the features of strata and based on the ideas of digital elevation model (DEM),the method of multi-layer DEM is put forward,and the fitting function of strata surface is established. The result of the application shows that the approach here is practicable and effective in 3D stratum modeling. Some visual functions for real 3D strata are implemented,such as rotating,moving,zooming,layer displaying and dividing section freely.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2003年第10期1722-1726,共5页
Chinese Journal of Rock Mechanics and Engineering
基金
国家重点基础研究发展规划(973)项目(2002CB412708)。
关键词
数值模拟
地层
多层数字高程模型
真三维
可视化
numerical simulation,strata,multi-layer digital elevation model(DEM),real 3D case,visualization