spatial data model 中文意思是什麼

spatial data model 解釋
空間數據模型 空間
  • spatial : adj. 1. 空間的;在空間中存在[發生,佔有位置]的。2. 佔大篇幅的。n. -ity 空間性。adv. -ly
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. Analyzes the basic features of a special gis applications and its basic demand, points out the localization of integrated gis platforms and its inelasticity, and presents a spatial data model based on constructed point set storage to satisfy with the demand of the special gis application. 2

    分析了一類特殊gis應用的基本特點和基本功能需求,指出了現有gis平臺的局限性和對該類應用的不適應性,針對該類特殊的gis應用,創造性地提出了能滿足其要求的基於構造點集的全關系型空間數據模型。
  2. This paper which starts from the actual needs, directed by the theory of cartology analyses all kinds of requires and functions for dmges, and create the spatial data model of the software system, combining the new generation programming technology, taking the oo software modeling, analysis, design method, it realized the collection, display of digital map data and the building of map denotation library, hi the end, this paper put forward the go - on research in future

    本文從數字地圖制圖的實際需要出發,在地圖學理論的指導下分析了數字地圖圖形編輯系統的各種功能和需求,並建立了軟體系統的空間數據模型。結合新一代的計算機程序設計技術,採用面向對象的軟體建模、分析和設計方法實現了地圖數據的採集、顯示、編輯、地圖符號庫的建立。最後提出了需要進一步研究和完善的內容。
  3. An object - oriented 3d spatial data model in cybercity

    一種面向對象的數字城市三維空間數據模型
  4. In this paper, we describe in detail the procedure of modeling with this approach : based on spatial data model, both abstract model and discrete model needed, defining spatio - temporal algebras in two abstract levels

    本文詳細論述了基於這種方法的時空數據的建模過程:以空間模型為基礎,分抽象模型和離散模型,定義了兩個抽象層次的時空代數系統。
  5. 3d modeling methods and spatial data model of layered rock - mass

    層狀巖體三維構模方法與空間數據模型
  6. And three kinds of spatial data model : pillar model, tin face model and section model, were built up for these three kinds of rock - mass

    並通過模型實例驗證了構模方法與空間數據模型的可行性。
  7. Starts from analyzing a special gis applications, the paper points out its widely existence in dss and mis, presents a spatial data model based on constructed point set storage and its developed spatial - temporal model, and proves the validity and practicability of the presented models from theory and actual application

    本文從分析一類特殊的gis應用出發,指出了該類應用在mis和dss領域的存在性和廣泛性,井針對該類特殊應用提出了基於構造點集的空間數據模型及其時態拓展模型,通過理論分析和實際的應用實踐,證明了該模型的有效性和適應性。
  8. 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

    針對空間信息數據量較小、空間對象相對簡單、圖形功能要求不高,但對遠程數據訪問、多用戶並發操作等功能要求較高的一類特殊應用(如電信資源管理、電力資產管理和宗地管理等) ,本文提出了一個基於構造點集(用於空間圖形對象構造的樣本點的集合,簡稱為構造點集)的全關系型空間數據模型,來滿足該類應用的特殊要求。
  9. The system adopts spatial data model based on the vector data model ; topology relation model uses spatial data model combined with spatial data index ; and makes use of relation database to save spatial entity data

    本系統採用基於矢量數據模型的空間數據模型;拓撲關系模型採用空間數據模型與空間數據索引結合;採用關系數據庫存儲空間對象數據。
  10. This paper supplies systematic research on data organization method which is suitable for hngis, at the same time studies deeply on the optimization of transit route with many goals in highway network. ( 1 ) based on the systematic analysis on the spatial data model and the spatial data structure, through study on two kinds of commonly used gis data models : raster data model, vector data model and the characteristics of highway network, the paper plans the logistic data model of hngis, and proposed the spatial data storing structure based on vector method

    本文系統的研究了適合於公路網gis的數據組織方法,同時,對公路網多目標最優出行路徑問題也給予了深入的研究: ( 1 )通過對兩種常用的gis數據模型(矢量數據模型、柵格數據模型)及對公路網路特徵的分析,設計了公路網gis的邏輯數據模型,給出了基於矢量方法的空間數據存儲結構。
  11. Firstly this paper ananlyzed the way and problem of digital city in 3d visualization. then generalizing the development in 3d cis. especially in 3d spatial data model. based on the existing 3d data model, digital city is composed of piont, wire, surface > soild, we can use 3d vector data model in building 3d city model. on the other hand the paper emphasizes 3d reconstruction and 3d interactive of city building model

    本文首先分析了數字城市三維可視化所面臨的問題和發展現狀,總結了當前3dgis ,特別是3d空間數據模型的特點和功能,在此基礎上,把數字城市中幾何目標分類為:點、線、面、體四種類別,採用了三維矢量數據模型建立三維城市模型,而且本文著重探討了城市建築物的三維重建以及三維交互。
  12. 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

    空間數據是gis功能的核心, gis的數據採集、集成、分析和表現展現了gis數據使用的全過程,比較gis的幾種空間數據模型,指出人們對數據所能表達的內容的要求增高,更多的地理信息系統採用矢量數據模型作為其主要數據模型;多源數據豐富了gis的表現能力,分析多源空間數據集成的模式,研究油氣田中的數據集成。
  13. Research on spatial data model of pipelines network underground city geographical information system

    城市地下管網地理信息系統空間數據模型研究
  14. In this paper, we focus our research on spatial data model and visualization techniques on the basis of spatial database in 3d gis

    本文以空間數據庫為基礎,主要研究三維gis中的空間數據模型和三維可視化技術。
  15. In addition to an ample research on concerning national software and information material, this article discussed the establishment and application of spatial data model by adhering to practical design and research

    本文結合昆明市綜合地下管網信息系統設計和開發的實際工作,探討了地下管網空間數據模型的建立和應用。
  16. Two kinds of multi - resolution spatial data model are studied in this paper. one is the feature model and hoom model based on dlg data. the other is multi - resolution dem model based on terrain data using the algorithms of self - adaptive triangular regular networks and hierarchical triangular irregular networks

    論文主要對兩種類型的多解析度空間數據模型理論和實現技術進行研究,第一類空間數據是數字線劃圖數據dlg ,第二類是數字高程模型數據dem 。
  17. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及遺傳規劃的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷轉移耦合法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用遺傳規劃來對灰色聚類結果進行符號回歸,分別得到每一類曲線的最佳擬合曲線形式。
  18. The paper introduces the development status and trends of gis, spatial data model and spatial data structure about technology characteristic. then according the procedure of land utilization status management, system analyse and design scheme is provided and modules are divided. moreover, the theory analyse is given about appraising, source and control idea of spatial data quality and the design of the realizing of spatial data quality control is discussed, combining the pre - process module, therefore a design is provided about realizing the pre - process of spatial data. furthermore, the several methods of data - sharing is analyzed and compared, and the data transforming scheme between maplnfo and cnsdtf ( chinese national geo - spatial data transfer format ) is introduced combining the data transforming module

    本文從技術特點的角度介紹了地理信息系統的發展現狀、趨勢、空間數據模型和空間數據結構;根據土地利用現狀管理的業務流程進行了系統分析設計和模塊劃分,並對空間數據質量的評價、來源和控制方法進行了理論分析,結合數據預處理模塊對空間數據質量控制的實現和設計思想進行了探討,提供了一種實現空間數據預處理的設計方案;分析比較了數據共享的幾種方法,結合數據導入導出模塊闡述了mapinfo與cnsdtf (中華人民共和國國家標準地球空間數據交換格式, chinesenationalgeo - spatialdatatransferformat )之間數據交換方案;給出了空間數據處理中採用的部分關鍵技術和一些具體實現方法。
  19. Spatial data model is formalized according to partial order relationship, equivalence relationship and simplicial complex theory. a formalizing two - tuple ( m, f ) multi - resolution spatial data model is presented. based on the jarno peschie algorithms, an improved algorithm of road network map generalization is developed

    應用偏序關系、等價關系和單純復形理論,初步研究了多解析度空間數據模型形式化表達方法,提出了一個二元組形式化多解析度空間數據模型。
  20. Starting from the problem in the spatial data model of webgis nowdays, this paper analysizes and designs spatial data model, and builds a united spatial data model and oriented object expression

    論文首先從當前webgis空間數據模型當前普遍存在的問題出發,分析和設計了空間數據模型,建立了數字地球需要的統一數據模型與面向對象表達。
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