The paper studied the basic contents of underground pipeline census and the VBA AutoCAD graphics database management technology. 本文对地下管线普查工作的基本内容及VBA的AutoCAD图形数据库(GD)管理技术进行了深入的研究。
A research on graphics database management system based on AutoCAD 基于AutoCAD图形数据库(GD)管理系统的研究
In this paper, based on the GIS platform of mineral resources management system data structure, data storage and organization, then presents a spatial database building methods, in particular the establishment of the graphics database processes to the detail. 本文分析了基于GIS平台的矿产资源管理系统的数据结构、数据存储与组织方式,进而提出了空间数据库的建立方法,特别对图形数据库(GD)的建立流程做了详细的阐述。
The virtual vision is obtained by the method of querying graphics database. 虚拟视觉采用查询图形数据库(GD)的方法。
The paper uses graphics database function of OpenGL to achieve chip-form visualization, and detailly models various objects. 本文使用OpenGL图形库函数,将切屑形态进行可视化描述,对各种实体进行详细的造型。