空间数据模型

基于XML的空间数据模型研究与实现

Research and Implementation of Spatial Data Model Based on XML

特征GIS空间数据模型的语义和应用

The Semantic Relations and Application of Feature-Based GIS Spatial Data Model

GIS三维空间数据模型的发展与集成

Development and integration of 3D data model of geographical information system

基于网络环境的3DGIS空间数据模型研究

Research on a 3D GIS Spatial Data Model Based on Network Environments

多维动态GIS空间数据模型与方法的研究

Dynamic and Multi-dimensional Spatial Data Modeling : Models and Methods

基于聚类过程的多比例尺GIS空间数据模型设计

Layer-structure Spatial Data Model and Application Based on Clustering Analysis

面向煤矿应用的三维GIS空间数据模型研究

Research on Three Dimensional GIS Spatial Data Model in Coal Mining Application

GIS空间数据模型与数据存储初探

A Study on GIS Space Data Model and Data Saving

基于栅格的GIS三维空间数据模型

3D Spatial Data Models of GIS Based on Grid

基于三维GIS空间数据模型集成的概念框架研究

Research Based on the Conceptual Frame of the Integration of 3D Spatial Data Model

GIS中河网空间数据模型

River Network Spatial Data Model in GIS

面向对象的配电GIS系统空间数据模型与组织

Research on the Object-Oriented ′ s Spatial Data Model and Organization of Distribution Electric GIS

地理空间数据模型的建立是GIS应用中的一项关键技术。

It is a key technology to constitute a Geographical data model for the application of GIS .

GIS的空间数据模型

Spatial Data Model of GIS

但是，传统的GIS技术及其空间数据模型在对时空数据管理与表达方面存在不足，缺乏跟踪地物变化、对比分析等能力。

However , the traditional GIS and its spatial data model have disadvantages and limitation in management of multi-period data .

本文采用面向对象的空间数据模型&Geodatabase，建立了基于GIS的汕头市水利设施数据库；

The paper upbuilded a GIS database for Shantou 's hydraulic facility , with the 00 spatial data model & Geodatabase .

TIGER空间数据模型及空间数据标准问题探讨

Discussion on TIGER Spatial Data Model and Standard

本文首先对GIS空间数据模型进行了研究，通过比较分析三种数据模型的特点，阐述了基于矢量模型的空间分析方法的优势。

This paper first studies three different types of spatial data model , and adopts a vector-based spatial analysis method by comparing their advantages and disadvantages .

本文在研究数据模型和空间数据模型的基础上，提出了面向对象目标空间数据库的数据模型OOSDM（Object-orientedObjectSpatialDataModel），实现了上述多源数据在数据库中的一体化存储。

The article brings forward to the model of object-oriented object spatial data model ( OOSDM ) and implement the whole-body storage of multi-sources data in the database .

基于GML的地理空间数据模型

XML-Based Data Model on Geographical Information

地理信息是地理信息系统的基础，地理信息的表示和管理的研究是通过地理空间数据模型的研究来完成的，它的研究在很大程度上标志着GIS的发展水平。

The research on expression and management of geographic information is implemented by the research on geographic spatial data model . In more sense , it 's the symbol of GIS development level .

主要涉及3DGIS的发展现状、3DGIS空间数据模型的研究进展和有待研究的3DGIS模型理论与技术问题等方面的内容。

It introduces the development of 3D GIS , the research progress of the spatial data model in 3D GIS at present . It also summarizes the outstanding theoretical and technological issues about 3D GIS modeling .

通过对空间数据模型特点的分析和空间关系的定义，对空间ECA模型的事件和条件部分均进行了扩展。（2）研究了基于空间关系的复合事件检测问题。

The event and condition part are extended by incorporating spatial data model and spatial relation . 2 .

我们所采用的设施区位模型都是通过把经典运筹学模型与GIS的空间数据模型整合得到。

In the test , the facility 's coordinate are convergent gradually , so we get the best location . We use the classical operational research models and introduce the GIS spatial data models into the operation research models .

基于导航终端嵌入式硬件平台特性、应用功能实现和GIS数据需求，在层次空间数据模型的基础上，提出了互补分级数据模型，使得嵌入式GIS数据冗余小，实时响应性能好。

Considering embedded hardware studio , application functions and GIS data requirement , based on hierarchy spatial data model , this article puts up complementary grade spatial data model , causing low embedded GIS data redundancy and good real-time response .

从空间数据模型、空间查询语言和空间数据分布式计算等方面讨论新一代GIS技术的理论体系，并提出现阶段可行的实现机制；介绍新一代协同计算的分布式GIS软件原型。

From the points of spatial data model , spatial query language and spatial data distributed computing , the technical and theoretical system is discussed in detail and the feasible implement mechanisms and the new generation GIS prototype are presented .

空间数据模型决定着地理信息系统的技术能力、应用能力及产业状况。随着科技的进步及GIS应用向广度和深度的发展，完整表达并动态维护拓扑关系显得日趋重要。

The technological capability , applicable capability and development of industry of GIS is determined by Spatial Data Model . With the progress of social science and technology , GIS for expression , dynamic maintenance of topological relationships has become increasingly important .

分析了格网结构、边界表示、3D栅格结构、八叉树、结构实体几何法和不规则四面体结构等空间数据模型的特点和应用。

Furthermore , it analyzes the features and application of spatial data models , including grid con-struction ( grids ), boundary representation ( BR ), 3D array construction ( arrays ), Octree , constructive sol-id geometry ( CSG ) and irregular tetrahedron network .

3维空间数据模型是构建3维空间数据库和3维GIS的基础，有着极为重要的研究意义。

A 3D spatial data model is the foundation of 3D spatial database and 3D GIS , so it has great significance of research . A 3D spatial data model based on the 3D discrete domain , 3D-realms , is introduced in this paper .

空间数据模型是关于GIS中空间数据组织的概念和方法，反映现实世界中空间实体及其相互之间的联系，是描述GIS空间数据组织和进行空间数据库设计的理论基础。

A spatial data model provides data description concepts and methods useful for GIS spatial data modeling . The important concepts include the spatial entities and their spatial relationships which are used to construct spatial database schema in designing GIS tools and implemention GIS projects .