该三维地图将由Saabab公司研发的快速三维绘图系统而生成，该系统可在航空影像基础上提供非常详细的现实三维模型。
The 3d-maps will be generated by the system Rapid 3d Mapping, developed by Saab ab, which produces highly detailed and realistic 3d-models based on aerial images.
本文讨论我们设计并实现的地图数据库管理系统MDB的体系结构、数据模型、数据类型及其实现技术。
This paper discusses the architecture, data model and implementation techniques of our map data base management system MDB.
本文作为“设备管理系统中三维数字地图的研究”子课题，将三维模型应用于设备管理中。
This text is regarded as the sub subject of "Research on three-dimension digital map in the equipment administrative system ", apply the three-dimensional model to the management of the equipment.
本文以地图符号的视觉变量和地图要素的表示等级为依据，详细介绍了地图设计专家系统中点状符号设计的推理模型。
On the basis of the visual variables of map symbol and the represent grade of map elements, this paper introduces the inference model of point symbol design in map design Expert System.
为了有效地描述实际道路网络，提高汽车导航系统的运行效率，建立了一种新的电子地图的路网模型。
To effectively describe the real road network and improve the efficiency of vehicle navigation system, a road network model in digital map is created.
针对车载导航系统的需要，提出了一种基于单线模式的车载电子地图模型。
A digital map based on the single line model was developed for in-vehicle navigation systems.
运用此模型，设计了一个基本的GIS电子地图实验系统，实现了GIS中地图对象的创建、地图的漫游、缩放、查询等功能。
Basing on such GIS data model, we design a GIS electronic map system, which contains most basic GIS functions, such as object-create, map zoom, wandering, query and so on.
建立地图模型，有助于使复杂系统简单化，而比较是建立模型的主要环节。
Constructing cartographic model is helpful to make complex system simplified and comparison is a main stage of model construction.
随后，详细讨论了模型支持系统的应用特点，基于概念地图的空间模型建模的环境和工作流程。
Then we discuss in detail the characteristic of the model supporting system and the visual model construction environment.
地图计算机颜色模型(MCCM)研究包括实用色谱印刷色标的制定、色标的屏幕再现与印刷复原、地图设色专家系统等。
Research on MCCM includes the formulation of printing color standards of applied color chart, Screen reproduction of color standards and printing restoration, expert system of color design and etc.
当今的GIS系统的空间数据模型，主要反映地图制图领域的点、线、面对象管理与操作的几何知识。
However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.
现有空中交通管制(atc)地理信息系统(GIS)重绘时遍历整个地图模型来绘制所有图元，影响了地图显示的速度。
The present Air Traffic Control (ATC) Geographical Information System (GIS) is very slow in displaying the map due to traversing the whole model to draw all units.
现有空中交通管制(atc)地理信息系统(GIS)重绘时遍历整个地图模型来绘制所有图元，影响了地图显示的速度。
The present Air Traffic Control (ATC) Geographical Information System (GIS) is very slow in displaying the map due to traversing the whole model to draw all units.
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