【作者】 耿春雨；

【导师】 宋伟东；

【作者基本信息】 辽宁工程技术大学 ， 地图制图学与地理信息工程， 2009， 硕士

【摘要】 本文以准格尔露天煤矿测量验收系统项目为研究背景,提出了顾及台阶特征的露天采场地形建模理论与方法,并根据露天矿生产计划构建了虚拟采场DEM模型,研究了采场模型动态更新方法。归纳起来,主要完成了以下几项工作:(1)详细阐述了顾及台阶特征的采场DEM建模的理论方法,提出了带约束条件下的露天矿采场精细DEM模型的建立算法;(2)根据露天矿生产计划提出了构建了虚拟采场DEM模型的方法以及采场模型动态更新算法,解决了新旧模型间的无缝拼接问题;(3)研究并实现了利用采场精细DEM模型进行露天矿采剥量的计算方法;(4)给出了基于露天矿采场DEM模型数据的采场时空数据库详细设计方案,并提出了基于此方案的任意时刻采场数据的提取和显示算法;(5)利用采场连续的DEM模型和虚拟现实技术实现开采过程的回放和超前演示,为数字露天矿建设构建基础的地理空间信息框架与平台。更多还原

【Abstract】 This thesis proposes level features open-pit terrain modeling theory and method based on the data of Zhungeer, and builds a virtual model of DEM to study the model of dynamic update methods based on open-pit mine production plans. To sum up, we complete the following tasks:Introducing the detail steps features of the theory of DEM modeling method, and putting forward with a constrained open pit mining field fine DEM model algorithm; According to the proposed open-pit mine production plan to build a virtual model of DEM method and dynamic model update algorithm to solve the seamless connection between the old and new model of the problem;Studying and implement how to use the model of DEM method of calculating the amount of open-pit mine stripping and mining;Giving the model of DEM based on open pit mining field of data mining field spatio-temporal database design in detail and put forward the program at any time based on this mining field data extraction and display algorithms;Using a continuous model of DEM and virtual reality technology to achieve extraction process, playback and advanced presentations. To establish framework and platform of geospatial information, we build digital open-pit mine.更多还原