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空间数据模型

"空间数据模型"的翻译和解释

例句与用法

  • In actual gis applications , both integrated gis platforms and specialized gis platforms are in demand . to satisfied with a special gis applications which has few spatial data , simple spatial objects , few demand for map ability , more demand for distance data access and more demand for multi - user cooperation ( i . e . : apply gis to telecomm resource management , electric power capital management , land property right management etc . ) , a spatial data model based on constructed point set storage is presented
    针对空间信息数据量较小、空间对象相对简单、图形功能要求不高,但对远程数据访问、多用户并发操作等功能要求较高的一类特殊应用(如电信资源管理、电力资产管理和宗地管理等) ,本文提出了一个基于构造点集(用于空间图形对象构造的样本点的集合,简称为构造点集)的全关系型空间数据模型,来满足该类应用的特殊要求。
  • Spatial data is the key of gis functionality and data ' s collection , integration , analysis and representation of gis open the full process of spatial data . it compares some kinds of spatial data model of gis and points that more gis adopt vector data model as the main data model with people ' s improving requests to contents that data represent . multi - source spatial data enrich the representing ability of gis , the modules of multi - source data integration are analyzed and data integrati on in oil and gal field is studied
    空间数据是gis功能的核心, gis的数据采集、集成、分析和表现展现了gis数据使用的全过程,比较gis的几种空间数据模型,指出人们对数据所能表达的内容的要求增高,更多的地理信息系统采用矢量数据模型作为其主要数据模型;多源数据丰富了gis的表现能力,分析多源空间数据集成的模式,研究油气田中的数据集成。
  • Based on the land - use database , the land database which support multiple expression of land information is established to realize scientific land management decision in different geographic space by applying object - retional database management gis graphic and attribute data to study the multi - scale spatial data model in land information system
    摘要本文基于土地利用数据库,采用对象关系型数据库管理gis图形和属性数据通过对土地信息系统多尺度空间数据模型的研究,建立支持土地信息多重表达的土地数据库,实现不同尺度地理空间下土地管理决策的科学化。
  • In tradition , building spatial database always choose coverage model , which has some shortages such as it has not special character about the expression of spatial object . with the development of oriented - object technology . geodatabase has appeared representing oriented - object spatial model and stride forward to the objected spatial model
    传统上建立空间数据库在空间数据模型上一般选择coverage数据模型,这种数据模型在空间对象的表达上存在特征聚集在类似的点、线、面集合中,不具有特殊的特征行为等种种不足。
  • Finally , this paper introduces the status of arts of the spatial database ( sdb ) development . and presents sdb key technology such as spatial data modeling , query , optimizing and spatial data management technology . it is concluded that the development direction of sdb that geo - data and attribute data be managed under sdbms
    本文首先介绍了国内外空间数据库当前发展动态,其中主要介绍空间数据库相关技术:空间数据模型、空间查询优化处理、空间数据库管理技术等国内外研究现状,得出空间数据和属性数据在数据库体系下统一存储管理为空间数据库发展的必然趋势。
  • Through full - scale and detailed investigation of application status of freeway safety management system , and based on the analysis of the system requirements , the authors present the whole framework of gis - based database including freeway basic information database , spatial elements database , decision - making model parameters database , and safety management counter - measures database , and introduce the content and structure of each subject database , and the design of spatial data model of freeway traffic network
    通过对系统的应用状况进行全面、仔细的调查,在系统需求分析的基础上,提出了以高速公路基础信息库、空间要素数据库、决策模型参数库、安全管理对策库为主体的数据库整体框架,并介绍了各专题数据库的内容与结构,以及高速公路交通网络空间数据模型的设计。
  • Secondly , apart from the spatial character , the operational data of sea area use management are characterized by multi - source , multiple scale , and coordinate , complex type and large quantity , etc , so this paper has laid emphasis on studying the spatial data model and the data framework related to the management of sea area use , solved a series of key technical problems such as check and correction , organization and structrue , quality management and standard norms for the geographical sapce data associated with the management of sea area use , proposed various practical and effective ways of storing and managing spatial and non - spatial data and established the spatial data base system for the management of sea area use
    其次,由于海域使用管理业务数据除空间特性外,还具有多源、多尺度、多坐标、类型复杂、数据量大等特征,因此,本文重点研究了与海域使用管理相关的空间数据模型与数据框架,解决了海域使用管理相关地理空间数据的复合与订正、组织与结构、质量管理与标准规范等一系列关键技术问题,并提出了切实有效的空间数据和非空间数据的不同的存储、管理方式,建立了海域使用管理空间数据库系统。
  • Based on the above , we present the global outline and frame of the object - oriented gis . combined with the current popular gis flatform and the spatial database , we study mapinfo system , a popular gis flatform , and oracle spatial database , a famous spatial database . we analyse the data model , the data organization and the spatial opration of mapinfo system which are supported the object - oriented techniques , we also point out the shortage of the topological structure
    结合当前流行的gis平台和空间数据库,本论文对mapinfo地理信息系统和oraclespatial空间数据库做了较为深入的研究,分析了mapinfo的数据模型、数据组织和空间操作等对面向对象技术的支持,指出了其在拓扑结构建立上的缺陷,并给出解决的办法;同时也对oraclespatial空间数据库的空间数据模型,空间索引和空间关系进行了较为详细的介绍。
  • We research how to construct a spatial data model on oracle spatial ( database ) , and then construct our object - oriented spatial data model . we provide a webgis system which introduce the technology of j2ee , distribute componet , muti - layer and oracle spatial data storage ; the user can use it with vector spatial data
    本文从理论上研究和探讨了基于oraclespatial (简称spatial ) ,怎样建立空间数据模型,在所建立的空间数据模型基础上,构建适合于webgis应用环境,为用户提供矢量空间数据操纵并满足用户需求的分布式组件化webgis系统。
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