數字地圖對象 的英文怎麼說
中文拼音 [shǔzìdetúduìxiàng]
數字地圖對象
英文
digital cartographic object- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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A new object - oriented model for digital cartographic object
一種用於數字化地圖制圖的面向對象模型The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph
其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相轉換問題;線路錄象播放將線路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於線路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。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。By using visual basic 5. 0 language, activex automation interface, the oop technology and developing autocad 2000, the system not only can achieve the horizontal design and the vertical design of three - legs and four - legs intersection at the tangent section and the curved section, but also can calculate earthwork based on digital terrain model
本系統以vb5 . 0為開發工具,採用面向對象的編程方法,利用activex自動化技術,通過對autocad2000的二次開發,可以進行處于直線路段、曲線路段的三路、四路交叉口的平面設計和立面設計與繪圖,完成基於數字地面模型的工程數量計算。The main research contents include three parts : ( 1 ) combined with the characters of inland qinhuai river, the numerical modeling system for water diversion was set up. ( 2 ) aquatic environmental gis was developed based on integrated digital map of inland qinhuai river with ole. ( 3 ) based on the visual basic advanced program language, the user interface of water quality simulation, visualization and gis management were achieved
論文的研究內容包括: ( 1 )結合南京內秦淮河水系特徵,建立了內秦淮河水系調水數值模擬系統; ( 2 )利用ole技術實現對內秦淮河水系數字地圖的集成,建立了該水系水環境地理信息系統; ( 3 )結合面向對象的visualbasic高級編程技術,建立了水質模擬結果可視化與水環境地理信息系統管理共同的用戶界面。The first part mainly introduces the gis concept and contents of gis, the comparison between the related software and gis, the present condition and development trend of gis etc, then introduced how to use the gis technique in a specific way such as using the method of " the half - automatic to follow " to turn the map into arithmetic figure, using the method of " the automatic calculates " gets the length of the line and area of field etc, at last got the length and width of every cross section of the fabiela river which is located downstream of xiangshan mountain. this method is superior and time - saving comparing with collecting data on the spot, having important and actual application worth
第一部分主要介紹了gis的概念和研究內容, gis與相關軟體的比較以及gis的現狀、發展趨勢、當前gis研究的熱點等等,然後具體介紹了用gis的相關技術如:用「半自動跟蹤」方法對地圖進行數字化,用「自動量算」方法得到線對象的長度、面對象的面積等,最終完成了象山水庫下游法別拉河河道地形數據資料的提取工作,這種方法與人工實地採集工作相比,有較強的優越性和重要的實際應用價值。The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image
本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理,研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。Studying on the method of drawing digital map symbol based on object - oriented programming principle
基於面向對象原理的數字地圖符號設計方法研究Large - scale digital topographic plans ( 1 : 500 ? 1 : 2000 ), large - scale digital maps ( 1 : 10000 ) as well as cadastral plans and land management files allow the companies to analyze their existing infrastructure, single out the primary objects for renovation and evaluate that volume of investments crucial for the construction of the gas and transport system at the territory of ynao
大比例尺數字化地形圖( 1 : 500至1 : 2000 )大型數字地圖( 1 : 1 ) ,以及地籍圖和土地管理檔案,讓公司來分析其現有基礎設施挑出的主要對象進行翻新和評價這一投資量對于施工中的氣運輸系統,在境內ynaoThe multi - channel digital synchronized log ( mdsl ) is a hi - tech product developed by institute of image & graphics, sichuan university, which is used mainly for recording synchronously the radar data and the dialogue between pilots and the control tower for airdrome and airline companies
「多通道數字同步記錄儀」是四川大學圖象圖形研究所研製的用於各個機場和航空公司用於實時記錄多路地空對話和雷達數據高科技產品。With reference to calculation methods of solar radiation within domestic and abroad literature and with the help of our country ' s dem ( with its resolution is 1 km x 1 km ), we build a new model for potential solar radiation calculation combining with pci geomatica ' s platform. in the calculation, hypothesis is that insofar one clear day in more than one year as the biggest value of solar radiation of one day in many years is defined as potential value of daily global solar radiation, we also consider the infection of the slope, aspect and its geometry relations affect on solar radiation. we calculate potential solar radiation which maybe useful for research the distribution of solar energy and build large - scale grid database of our country ' s solar radiation
本研究試圖在借鑒國內外已有的太陽輻射計算方法的基礎上,利用全國的1 : 100萬數字高程模型數據( grid大小1km 1km )為數據源,以pcigeomatica為計算平臺,以全國多年的太陽輻射日觀測數據進行模式驗證,在晴天無雲的理想條件下,根據太陽光線與實際地形間的幾何關系,研究坡度、坡向等地形因子對太陽輻射的影響,探討太陽輻射在復雜地表上的分配規律,力求尋找潛在太陽總輻射合理的計算方法,為研究太陽輻射時空分佈特徵和建立全國尺度的太陽輻射柵格氣象數據庫奠定基礎,為大尺度上的生態學過程研究提供基礎信息。Image segmentation is an important task in many digital image processing applications. texture provides important information in many images, especially in some natural images, and sometimes it is the major discrimination factor to image segmentation
圖象的分割在數字圖象處理領域佔有重要的地位。在很多圖象中,特別是對一些自然圖象,紋理往往是其中的一種重要信息,有時甚至是分割的唯一依據。And what ' s the exact definition of mam, there are several formulae to make a visual explanation : media object = media data exist dependently content = media object + metadata mam = content + license mam is a digital platform, it can be seen as a common mis, but mam has it ' s own personality and rich content, it is a small or local digital library
通過一個形象的公式化進行理解:媒體對象=不可區分的媒體對象內容=媒體對象+元數據媒體資產=內容+許可媒體資產就是一個數字化的平臺,通俗地,可以把媒體資產管理系統看成一個mis系統。但是它與媒體資產最大的不同是:他更具有專業特色和更豐富的內容。可以說它更應該作為一個具有個性的小型的(局部的)數字圖書館。Store and management techniques for digital map based on object
基於對象的數字地圖存儲管理技術Base on the oo theory and practice, people developed the software modeling technology, uml, case tools. they all commit themselves to managing the software process efficiently, improving the quality of software and making the maintanance of software convenient. this paper realized the design of data structure and function module of digital map graphic edit system ( dmges ) on the base of oo analysis and design
在面向對象思想基礎上發展起來的軟體建模方法、統一建模語言以及各種各樣的計算機輔助軟體工程工具都致力於如何更好地管理軟體開發過程、提高軟體質量、降低維護難度。本文就是在面向對象軟體開發理論和技術基礎上完成了數字地圖圖形編輯系統的設計和實現。分享友人