The production of this paper is what is targeted initially: 3D GIS data model and data structure of water conservancy.
本文研究的主要成果是水利工程3DGIS数据模型与数据结构。
This paper analyses the concept of data model, the present conditions and developing tendency of GIS data model, example of GIS data model.
对数据模型的概念，GIS数据模型的现状和发展趋势，GIS数据模型实例进行了分析。
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.
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。
Then based on the basic concepts and features of spatial data, we analyze the organization and storage of spatial data by using the object-oriented holistic GIS data model.
然后根据空间数据的基本概念和特征，利用面向对象的整体数据模型，分析了空间数据的组织方法和存储方式。
After the establishment of distribution network GIS data model and equipment coding, data model, organizing format and database structure of the integration system are proposed respectively.
建立了配网GIS的数据模型和电气设备的编码方式，提出了该集成系统的数据模型及组织形式，设计出其集成数据库结构。
It adopts space data characteristic compare, cluster analysis and correlation analysis, and synthetically utilizes GIS data model and the technology of computer to analyze the distribution network.
采用空间数据特征比较、时域聚类、相关性分析，综合利用配电网络GIS数据模型和计算机技术对配电网络进行深入的研究。
Data model based on feature is one important direction for GIS software development.
基于特征数据模型的GIS软件开发是一个重要方向。
Compared with several other data models used in early and recent GIS, the author gives his own idea of what is a geographical space, and then puts forward a new object-oriented conceptual data model.
本文在分析和总结了早期和近期GIS几种数据模型的优缺点的基础上，对地理空间进行了重新理解，给出了一个面向对象的概念数据模型。
Based on the principle of GIS and database system, data model, function modules and agent structure of sediment silting system of watercourse and reservoir zone is designed.
根据GIS、数据库系统的原理，设计实现了河道与库区泥沙淤积系统的数据模型、功能模块和主体结构，成功地将基础数据库进行了入库操作。
As the data base of the GIS digital terrain analysis, digital Elevation Model (DEM) contains rich of terrain, topography and related geo-information and knowledge.
数字地形模型(DEM)包含着丰富的地形、地貌及相关的地学信息与知识，是GIS数字地形分析的数据基础。
This paper puts forward to a model of data structure for GIS with timing dimension based on the relationship database.
本研究提出一种依据关系型数据库管理下带有时间维数据结构的GIS模型。
The data model which is applicable to GIS of coalmine are put forward based on analysis of the characteristic of coalmine spatial information.
本文在分析煤矿空间信息特点的基础上，提出了实用于煤矿的地理信息系统数据模型。
This paper puts forward model of data structure for GIS with timing dimension based on the relationship database.
提出一种依据关系型数据库管理下带有时间维数据结构的GIS数据模型。
Completely changing or largely modifying data model of current GISs and developing a lot of spatial process models which may have very narrow applications could not be accepted by the GIS vendors.
完全改变或较大修改数据模型，并开发大量的但可能只具有较窄的应用范围的时空分析模型不会被GIS开发者所接受。
By analyzing the evaluation process of geochemical prospecting for oil and gas, a geochemical prospecting evaluation model for oil and gas based on GIS data warehouse was presented.
在分析油气化探评价过程的基础上，提出了基于GIS(地理信息系统)数据仓的油气化探评价模型。
Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatial data base.
开发了高层应用城市交通污染管理信息系统，由前台gIS系统、后台机动车排放模型、空间数据库三大部分构成。
This paper introduces the GIS space point? Line? Surface entity model based on topology data and the automatic topology model which is based on the objects model.
介绍了以拓扑关系数据为基础的GIS空间点、线、面对象实体模型，给出了基于对象实体模型的自动拓扑关系模型。
It is the basic model for various GIS operations, and the key data for terrain correlation matching of cruise missiles as well.
它是生成三维立体地貌，计算地面距离、坡度、土方、面表积等的基础数据模型，也是巡航飞行器地形相关匹配的基础数据。
Lastly, the article discusses the methods of WEBGIS development, and shows the WEBGIS model of the using land red line that is developed by the method of transition of GIS data format.
最后，讨论了WEBGIS开发方法，并展示了利用转换GIS数据格式方法开发出来的用地红线WEB发布模型。
The method of GIS data sorting is also achieved in this paper. With the application of this update model, the job of land GIS basic data quality control and inspection will be more efficient.
同时对GIS数据的排序方法以及图形空间关系的检查也做了讨论，并探讨将扩展模型应用于土地GIS基础数据的质量控制与检查工作中，以提高数据检查工作的效率和自动化程度。
The thesis abecedarian discusses the application of GIS in defining boundary, defining initializing condition, data pretreatment, model calculating, and visual result exporting, etc.
初步探讨了GIS技术在大气质量模型建模过程中在定义边界和初始条件、数据准备、模型运行处理、可视化结果表现等方面的应用。
Water depth data (main parameters), which was matching to model's grid structure, was obtained by using the function of GIS digital elevation model (DEM) to linear-interpolate the isobath of chart.
在模型参数求取中应用了GIS的数字高程模型(DEM)功能将海图等深线通过线性内插得到与模型网格相匹配的具有栅格结构的水深数据(模型的主要参数)。
The model is suitable for GIS visualization data handling and analyzing.
该模型适于GIS的可视化操作与分析。
Based on the study of correlative technology results, combining with FCIS 'characteristics, this paper research on domain application framework, component model, data accessing, Open GIS.
在研究了国内外相关技术成果基础上，结合防汛信息系统的特点，重点研究了领域应用框架、构件模型、数据存取、开放GIS等问题，并实现了一个原型系统。
By primary data process, visual output of GIS and ANN model, thesis has expanded the spatial assistant decision function.
模型利用GIS处理基础数据、可视化输出预测结果，利用人工神经网络模型来扩展GIS空间辅助决策功能。
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.
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。
These data models include the unified model of all essential factor's structuralized triangulated irregular network (TIN) model and GIS as well as network model.
这些数据模型包括全要素的结构化不规则三角网(TIN)与GIS一体化的数据模型以及网状模型。
Firstly, DEM model of this district generated by GIS and TM image was overlapped, and fetch relative data.
首先，运用GIS相关软件生成研究区的DEM模型并与其TM影像进行叠加，提取相关数据。
Three-dimensional data model of geology in mine is the foundation of mining 3D GIS, and also the keystone and difficulty in the studies of GIS.
矿山地质三维数据模型是实现矿山3DGIS的基础，也是矿山3D GIS研究的重点和难点。
Three-dimensional data model of geology in mine is the foundation of mining 3D GIS, and also the keystone and difficulty in the studies of GIS.
矿山地质三维数据模型是实现矿山3DGIS的基础，也是矿山3D GIS研究的重点和难点。
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