【摘要】 目前,在不同的三维地质建模软件下建立的模型无法在统一的场景中集成显示和分析应用,数据交换共享难,数据存储量普遍较大。在现有的建模方法下,三维地质体的布尔运算比较困难。因此探索一种存储量小、易于数据共享交换与空间分析的三维存储方法是当前趋势。基于空间位置枚举法提出了一种存储量小、易于数据共享交换与空间分析的三维存储和重构方法。首先用任意已建好的地质模型建立栅格金字塔加快显示速度;在此基础上对地质模型进行剖分生成剖分长方体,再将剖分长方体存储成六位编码;最后对六位编码进行三维重构,利用Open GL技术基于VC++平台进行三维重绘。计算了重构模型的均方根误差(RMSE),其平均值为0. 39。实验结果表明:此存储与重构的方法是可行的,对减少三维地质体模型存储量、数据的迁移共享交换有一定的价值。更多还原

【Abstract】 The models established under different 3D modeling software cannot be integrated and analyzed in a unified scenario. Three-dimensional data exchange and sharing is difficult,and memory space is generally large. Therefore,it is the current trend to explore a three-dimensional storage method that use smaller storage and exchange data easy. Based on the spatial location enumeration method,a three-dimensional storage and reconstruction method for small storage,easy data sharing and spatial analysis is proposed. First,a grid pyramid with any one established geological model was built to speed up the display. On this basis,the geological model is divided into the subdivision cube that is stored as six codes. Finally,three dimensional models were constructed by six codes. Then the OpenGL technology was used that is based on the VC + + platform to three-dimensional redrawing. The mean square root error( RMSE) of the reconstructed model is calculated,and its mean value is 0. 39. The experimental results show that the method of storage and reconstruction is feasible and has some value for reducing the storage of 3D geological body model and the transfer and sharing of data.更多还原