This paper also explains the design process of the table structure in three-dimensional terrain database. 本文给出了三维地形数据库(TDB)的设计过程和表结构。
Construction of multi resolution terrain database based on Sql Server. 构建基于SqlServer数据库的多分辨率地形数据库(TDB)系统。
The paper put forward the method of constructing the simulation terrain model using common terrain database and realized the ray tracing method in simulation on complex terrain. 论文对复杂地形上的电磁环境仿真进行了研究,提出了利用常用地形数据库(TDB)构造仿真地形模型的方法,详细研究了射线跟踪法在地形仿真中的实现问题。
This paper proposes the collective structure of a bicycle simulator, which consists of motion generation and force reaction system, kinematic / dynamic simulation system, visual simulation system, and terrain database system. It describes in detail the function and key technologies of each subsystem. 本文提出了由运动生成及力觉反馈系统、运动学/动力学仿真系统、视景仿真系统、地形数据库(TDB)系统组成的自行车模拟器系统总体结构,并详细地介绍了各个子系统的功能和关键技术。
SOTER Project utilizes information technology to develop a world soil and terrain database, containing digitized map units and attribute data in a rational database management system. 本文介绍SOTER项目是利用目前已有的信息技术,建立一个包含数字化的地图单元和它们属性数据的世界土壤和土地数据库。