地理空间数据

此外，DB2提供了先进的SQL功能来帮助处理复杂的查询，包括地理空间数据和复杂计算。

In addition , DB2 provides advanced SQL features to help handle complex queries , including geospatial data and complex computations .

地理空间数据GIS的处理中，空间分析是其分析、模拟、预测和调控过程的基础理论和技术。

In the geospatial data processing , GIS spatial analysis is the theoretic and technical basis for analyzing , simulating , predicting and regulating the spatial processes .

非标准格式地理空间数据的GIS方式直接读取研究

A Study of GIS-based Direct Reading of Nonstandard Geographic Spatial Data

XML相关技术下地理空间数据的整合及发布

The Conformity and Issue of Geographical Spatial Data Based on XML Related Technologies

地理空间数据传输是构建网格GIS的基础。

Spatial data is key elements to create Grid GIS .

地理空间数据由文件存储方式向数据库存储方式转变是当前GIS发展的必然趋势，也是研究的热点之一。

It is the necessity that change the spatial storage from file system to database .

GIS地理空间数据共享的探讨

On The Share Of GIS Spatial Data

分布式地理空间数据的快速导航一直是分布式GIS研究的重点。

Fast navigation to distributed geographical spatial data has been the keystone of distributed GIS .

随着各种数据采集技术的不断发展，GIS所处理的地理空间数据量空前增长。

With developing of various data collection technology , quantity of Geographical spatial data growth unprecedentedly .

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 .

地理空间数据不确定性理论和方法的研究是当前GIS学科研究的热点和前沿领域之一。

Theories and methods of geospatial special data uncertainty nowadays is one of the most important researching fields in GIS .

GIS应用本身就是对地理空间数据进行采集、编辑、存储、管理、分析、显示的处理。

Collecting , editing , storing , managing , analyzing , and displaying geographical data constitute the application of GIS .

论文从空间数据库和信息检索的角度研究了Web环境下地理空间数据服务集成和分布式查询问题。

This dissertation addresses the geo-spatial data service integration and distributed spatial query issues under web environment from the points of spatial database and information retrieval .

主要介绍通过Web服务器直接读取地理空间数据的解决方案和通过Jdbc读取属性数据的方法。

Emphasizes on the method to read geography data from web server , read property data with jdbc .

提出了基于DFT相位的矢量地理空间数据数字水印模型。

A digital watermarking model for vector geo-spatial data DFT-based phase is designed .

在该模型设计中，利用XML技术重新构造了地理空间数据的实体结构，提出了一种新的解决空间信息共享的方法，设计了空间数据共享和互操作的整体框架。

With this method , it reconstructs the geo-spatial data object based on XML , and designs a whole framework for data co-operation and sharing .

基于SVG技术的网络地理空间数据处理

Net Geographic Spatial Data Processing Based on SVG Technique

随着GIS在各行业广泛应用与推广，地理空间数据的多源性和多样性日益突显。

With the broad application and popularization of GIS in so many industries , the multi-source and diversity of geo-data is more and more obvious .

研究了LBS系统中基于SVG的地理空间数据可视化技术。

The visualization technology of spatial data using SVG in LBS.

我们知道在GIS中，正射影像（DOM）是重要的一类地理空间数据，具有信息量大，形象直观等优点。

As a kind of important geography spatial data , DOM has many advantages such as immence information and visualization in GIS .

通过GIS，我们可以直观形象地管理和查询海量气象信息、分析处理地理空间数据、可视化模型的计算结果。

Through the visual image of GIS , we can manage and query processing , mass meteorological information visualization model of spatial data , the computational results .

GIS支持地理空间数据的采集、存储和显示，并能将地理空间数据与相关参考数据关联以提供信息查询与分析。

GIS supports the collection , storage and display of geographic space data , and provides information inquiry and analysis by relating the geographic space data with reference data .

传统的Web语言HTML是一种超文本标记语言，随着Web上信息类型的日益增多，它不利于表现地理空间数据。

Traditional Web language HTML is a kind of hypertext markup language . With the appearance of manifold information type , the disadvantages of HTML for representing spatial data are exposured .

Dijkstra算法是地理空间数据分析、处理、查询以及决策等的一种实用算法。

Dijkstra algorithm was practical when the geography space data was analysed and handled .

基于GML的地理空间数据交换技术研究

Geo-spatial Data Exchange Technology Based on GML

基于GML的地理空间数据模型

XML-Based Data Model on Geographical Information

为了提高异构空间数据的融合、系统可移植性的需要，研究了基于XML的地理空间数据表达及其传输技术。

In order to enhance the fusion of different space data , and satisfy the system 's transplant , geography space data expression based on the XML and its transmission technology are studied .

对于WebGIS而言，XML相关技术可以用于地理空间数据的规范化存储、地理数据共享、网络传输、电子地图显示和GIS软件体系架构的建立等。

As far as Web GIS is concerned , XML can be used in standard storage for spatial data , data sharing , network transmission , electric map displaying and GIS software framework building .

随着基础地理空间数据在各行各业的广泛应用，基础地理空间数据管理技术研究已经成为当前GIS学科重点研究的课题之一。

The study of the basic geo-spatial data management techniques has become one of the priority areas of the GIS discipline , with the extensive application of the basic geo-spatial data in all walks of life .

主要研究内容包括：地理空间数据的GML编码存储与共享和SVG格式编码与地理信息的可视化表达；

The main research work are summarized : geographic spatial data storage and sharing in GML format , SVG format encoding and visualization ;