介绍了地理图形信息系统设计编程的思路与方法。
A basic idea and methodology for designing and programming the geographic information system.
本文阐述了人机系统软件相关的矢量图形系统、数据库系统、信息系统、空间信息分析系统,给出了基本原理和技术解决方案。
The relative system, such as vector graphic system, database system, and space information system, are discussed in the paper, the basic principle and realize method are discussed in the paper also.
在地理信息系统的开发过程中,对屏幕图形进行精确识别是一个较难解决的技术问题。
In the development of geographical information system, the precise recognition of the screen graph is the technical problem which difficult to solve.
论文还研究了地籍信息系统中的数据编码体系,图形数据和属性数据相互查询与混合输出的方法;
This paper studies the digital coding system in the cadastral information system; the method of querying and out-putting about figure data and attribute data;
林火地理信息系统(GIS)是一种包含空间资料库管理的地理信息系统,它具有储存,处理,投影转换和取回与显示图形资料的能力;
Geography information system (GIS) is a system which includes the management of interspace data, and it has the abilities of memory, settlement, projection transition and displaying graphs.
地籍信息系统的宗地合并操作时常会失效,其原因是实际测量的宗地图形与系统要求的理想化宗地图形有一定的差异。
Sometimes the operation of merging parcel in cadastral information systems may become invalidation, since there are some gaps between surveyed parcel graph and idealization graph.
信息系统分析与设计是信息系统开发中最重要的阶段,需要建立大量的图形模型。
Information system analysis and design is the most important stage in information system development, during which a large number of graphical models need to be constructed.
提出了城镇管网信息系统的总体设计与实现方案.该系统使用广义关系数据库存储和管理各类管线的属性信息和管线的图形信息;
This paper presents a system scheme for Urban Pipeline Network information System. Extended relation database is used to store and manage the attributes and graphic information of pipelines.
采用基于地理信息系统的图形叠置法对线路比选方案的噪声影响情况进行评价。
Graph overlay method is used in route alignment noise impact assessment to provide a basis for route alignment optimal selection.
将空间图形数据存入关系型数据库是当前数据库和地理信息系统领域研究的热点和前沿。
It is currently one of the research focuses in the fields of database and GIS for Spatial graphical data to storage in RDBMS.
图形空间分析是地理信息系统的重要功能之一。
Graphic spatial analysis is one of the important functions of GIS.
例如在管线密布的给水管网地理信息系统中进行图形元素识别时,将某些相邻管线混淆,显示出错误的管线信息。
For example, when recognizing the graph elements, people can easily confuse the neighboring pipelines of water supply networks, thus the wrong pipeline information will be shown.
本文阐述了人机系统软件相关的矢量图形系统、数据库系统、信息系统、空间信息分析系统,给出了基本原理和技术解决方案。
The relative system, such as vector graphic system, database system, and space information system, are discussed in the paper, the basic principle...
将地理信息系统应用于城市突发性的大气污染事故,对大气扩散模型的图形技术进行开发研究。
GIS is applied to air pollution emergency in urban areas. The figured technology of atmosphere diffusion model is studied.
三维地形虚拟现实技术是当前计算机图形学、地理信息系统和数字摄影测量技术研究的热点问题。
The study on 3 D Terrain VR is a hot topic in Computer Graphic, Geographic Information System and Digital Photogrammetry.
空间分析技术及三维可视化实现是计算机图形学、遥感、虚拟现实、特别是地理信息系统(GIS)等领域研究的重要问题。
Spatial Analysis technology and its Visualization is an important research problem in computer graphic, RS (Remote Control), VR (Virtual Reality) and GIS and so on.
地理信息系统提供了强有力的手段来处理图形和非图形信息,为供电部门提供了智能化决策和控制。
The GIS provides cogent means to deal with figure and another information, and it helps the supplying power section to make policy and control.
但地理信息系统软件中图形的表现形式仍不太直观,表现内容也不够丰富。
But the expressing form of graphics in GIS software is still not very intuitionistic, the presentation content is still not very rich.
以TM 影象为信息源,在全数字方式下运用遥感技术与地理信息系统技术结合建立了甘肃省沙地的TM图象数据库、图形数据库和属性数据库。
Using digital processing method of remote sensing and GIS, TM images in 1996 are interpreted and the database of the sandy land in Gansu province is established.
三维真实感的图形技术是科学计算可视化、电脑动画和三维地理信息系统的核心。
The graphic technology of 3d verity is the core of visualization in calculation, computer animation and 3d GIS.
三维真实感的图形技术是科学计算可视化、电脑动画和三维地理信息系统的核心。
The graphic technology of 3d verity is the core of visualization in calculation, computer animation and 3d GIS.
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