vector data 中文意思是什麼
vector data
解釋
矢量數據-
In short, vector data take the simplest topological entities - points, lines, and polygons - and anchor them within a 2 - d cartesian coordinate system to describe geographical features
簡言之，矢量數據利用最簡單的拓撲實體點、線和多邊形，並在二維笛卡爾坐標系統中固定它們來描述地理特徵。 -
The paper is mainly based on geography, ecology, sight ecology, region location theory and system theory. by interpreting the mss remote sensing image of 1970s and the tm remote sensing image of 1980s and the end of 1990s in keerqin sandlot based on background database and expert information, we have achieved the three periods vector data of land desertification of the research area, then we have disposed the data property by using the powerful spatial analysis function of arc / info and achieved the information extraction and analysis supported by arcview and erdas imagine. thus the rule of temporal and spatial variation of land desertification in keerqin sandlot is researched and the blueprint and countermeasures of the prevention and treatment of land desertification in keerqin sandlot are put forward
本研究主要以地理學、生態學、景觀生態學、區位論和系統論為主要理論支持，通過對科爾沁地區20世紀70年代的mss遙感影像、 20世紀80年代和90年代末tm遙感影像進行基於背景數據庫和專家知識的解譯，獲得科爾沁研究區土地沙漠化的三期矢量數據，利用arc / info軟體強大的空間分析功能對屬性進行處理，並在arcview 、 erdasimagine軟體的支持下進行信息提取與分析，研究了科爾沁沙地土地沙漠化時空變化的規律，提出了科爾沁沙地土地沙漠化防治的構想與對策。 -
The display module can be used to display the profile of geophysical data, the plane profile, the section, the histogram of borehole and solid figure of 3d data. thereby, this software system ca n display and plot the 1d, 2d and 3d figure. in the special analyst module, this system can analyze both vector data and grid data. it can not only analyze the data gets from investigation but also the data gets from other system
藉助gis技術的空間分析基本思想，開發了物探數據綜合地質解釋模塊，本系統的空間分析兼具矢量分析和柵格疊加分析的特點，既可對測量的數據體進行疊加分析，也可對通過其它方式進入本系統的矢量化圖形進行疊加分析，在空間分析結果的基礎上，可人機交互繪制出地質解釋構造線及巖性分區。 -
The thesis describes the detailed procedures of hand - writing data processing, including chinese character dot matrix building and display, vector data storage, chinese character dot matrix compression, transfer protocol and hand - writing chinese character re - building. also, stroke order based hand - writing chinese character recognition method is explored, and characteristic - recognition methods for chinese character with similar stroke order codes and the structure of hand - writing chinese character recognition dictionary are discussed
第四，設計了服務器端的服務軟體，可以實現數據的解碼、重建、筆劃特徵提取、識別、數據管理功能；採用了基於筆段筆順編碼和結構特徵的識別方法並設計了識別字典的結構，可以有效的提高識別速度，達到較高的識別率。 -
Vector data information for c programmers can be hard to come by. the terse but thorough
面向c + +編程人員的矢量數據信息很難獲得，簡潔而詳實的 -
After analyzing the defect and shortcoming of current pipeline check software, the domain - driven design method and uml are introduced to review the check rules, then the pipeline check knowledge rule base capable of customization and its reasoning engine are put forward, finally checking the all - sided investigation pipeline data and its vector data combining with gis intelligently is realized
摘要分析了當前地下管線數據檢查中的缺點與不足，引入領域驅動設計方法和uml來對檢查規則進行分析建模，提出建立可定製的管線檢查知識規則庫及其推理機，並結合gis來對管線數據進行智能化檢查。 -
It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling
以面向對象的設計方法為基礎，利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成；應用基於矢量網格的空間疊加分析方法解決柵格和常規矢量數據結構在處方生成中的局限，生成了基於土壤養分和目標產量為主要因素的施肥處方；利用鬆散耦合技術將comgis與施肥專家系統進行有效集成；充分考慮施肥機對施肥處方數據結構要求，在wgs - 84坐標系下採用具有柵格單元的矢量施肥處方。 -
The main technical module of processing gis spatial information of land desertification is designed, which can carry out the spatial overlay of vector data in three periods, extract as well as process attributative information and transform the spatial vector data into visualizing data. the gis database of land desertification is established
本研究設計了土地沙漠化gis空間信息處理的主要技術模塊，即三期矢量數據的空間疊加、屬性的信息提取與處理、空間矢量數據向可視化數據庫的轉化，建立了土地沙漠化gis數據庫。 -
These data consist of scalar data ( temperature, pressure, etc ) and vector data ( velocity, etc ), which are commonly defined on unstructured grids with complex topology
這些數據類型比較復雜，既有溫度、壓力等標量數據，又有速度等矢量數據，而且它們通常定義在非規則網格上的拓撲關系也很復雜。 -
Thirdly, it utilizes line tracking and douglas - peucker line - simplification algorithm to realize the raster - to - vector conversion. a triangulated irregular network ( tin ) is constructed based on vector data, and dem point - array data is computed by interpolating grid on tin
第三，使用輪廓線跟蹤演算法和dpl多邊形近似方法實現等高線數據的矢量轉換;並基於等高線矢量數據建立不規則三角網，再內插格網生成dem點陣數據。 -
The common map is scanned into grid map, and then vectored in mapinfo. after vectoring, vector data are matched and the spatial coordinate data of resident points, water system and other data are gained. the coordinate of reference points in the freeway are gathered by gps, then after data processing, coordinate transition, data inputting, it turn into the freeway graph, which composes the freeway electronic map with the materials subsidiary to the freeway
將普通紙質地圖經過掃描生成柵格地圖，然後在mapinfo環境下進行矢量化生成矢量化地圖，經過矢量化數據配準，確定居民點、水系等物系的空間坐標數據；利用gps採集的高速公路控制點坐標，經過數據處理、坐標轉換、錄入，最後生成高速公路圖層，和上述高速公路附屬物共同構成了完整的高速公路電子地圖。 -
Fuzzy geographical object modeling based on vector data model
基於矢量數據模型的模糊地理對象建模 -
Key algorithm for creating topology relation of three dimension vector data model
建立三維矢量數據模型拓撲關系的關鍵演算法 -
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。 -
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。 -
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。 -
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。 -
Under the premise of ensuring its accuracy of point positions, not only is vector data obtained but its compressing is also realized with a quicker speed, more accuracy and smaller storage device
該方法在確保點位精度前提下，可獲得以弧段為單位的矢量數據，同時依據線狀要素的形態取樣，從而達到壓縮數據目的，此演算法處理速度快，精度高、存儲量小。 -
Research about visualization of hybrid multi - resolution terrain and vector data
混合多解析度地形與空間矢量數據的可視化研究 -
For reasons you ll see later, we classify postgis data as vector data
我們將postgis數據歸類為矢量數據，其原因將在下文介紹。
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