發(fā)布時(shí)間：2018-12-21 17:34

【摘要】：隨著計(jì)算機(jī)技術(shù)、Internet、GIS的發(fā)展,以及二維GIS不能真實(shí)反映現(xiàn)實(shí)世界的現(xiàn)狀,三維GIS得到了迅速的發(fā)展。Silverligh、Flash、OpenGL等技術(shù)的出現(xiàn)為人們在網(wǎng)頁上實(shí)現(xiàn)三維WebGIS提供了技術(shù)可能。本文通過研究多種技術(shù)手法：Silverligh、SOE、ArcSDE和Multipatch,實(shí)現(xiàn)了一個(gè)基于市政管理的三維WebGIS。 通過實(shí)現(xiàn)本文的三維WebGIS系統(tǒng),產(chǎn)生了以下的研究成果。 第一,通過對Silverlight技術(shù)的研究,建立了用Silverlight技術(shù)實(shí)現(xiàn)的WebGIS的客戶端,用Silverlight技術(shù)實(shí)現(xiàn)的WebGIS,具有諸多優(yōu)點(diǎn),界面美觀、操作流暢、響應(yīng)效果好、支持矢量數(shù)據(jù)的顯示編輯,并且解決了胖服務(wù)端瘦客戶端的問題,解放了帶寬。 第二,通過對Multipatch數(shù)據(jù)的研究,建立了用Multipatch數(shù)據(jù)表達(dá)的三維數(shù)據(jù)模型,逼真的為WebGIS提供了真三維的數(shù)據(jù),真實(shí)地反映了現(xiàn)實(shí)世界。 第三,通過對ArcSDE的研究,建立了通過ArcSDE連接Oracle數(shù)據(jù)庫的方式,通過ArcSDE的連接,可以實(shí)現(xiàn)對多種數(shù)據(jù)庫的兼容支持,也能實(shí)現(xiàn)在關(guān)系數(shù)據(jù)庫中對大數(shù)據(jù)量空間數(shù)據(jù)的方便管理,這對于構(gòu)建分布式數(shù)據(jù)源、B/S結(jié)構(gòu)的三維WebGIS具有重要的意義。 第四：通過對SOE (Server Object Extension)的研究,建立發(fā)布了對Multipatch數(shù)據(jù)服務(wù)的網(wǎng)絡(luò)發(fā)布,并通過這個(gè)服務(wù),可以訪問Multipatch數(shù)據(jù),解決了在瀏覽器上旱現(xiàn)三維模型的關(guān)鍵問題。
[Abstract]:With the development of computer technology and Internet,GIS, and the fact that 2D GIS can not reflect the reality of the real world, 3D GIS has been developed rapidly. The appearance of Silverligh,Flash,OpenGL and other technologies provides the possibility for people to realize 3D WebGIS on web pages. In this paper, a 3D WebGIS. based on municipal management is realized by studying various techniques: Silverligh,SOE,ArcSDE and Multipatch,. Through the implementation of the three-dimensional WebGIS system, the following research results have been produced. First, through the research of Silverlight technology, the client of WebGIS realized by Silverlight technology is established. The WebGIS, realized by Silverlight technology has many advantages, such as beautiful interface, smooth operation, good response effect, and supports vector data display and edit. And solved the fat service end thin client problem, freed the bandwidth. Secondly, through the study of Multipatch data, a 3D data model expressed by Multipatch data is established, which provides true 3D data for WebGIS and reflects the real world. Thirdly, through the research of ArcSDE, the way of connecting Oracle database through ArcSDE is established. Through the connection of ArcSDE, the compatible support for many kinds of databases can be realized, and the convenient management of large amount of spatial data in relational database can also be realized. This is of great significance to the construction of distributed data source, three dimensional WebGIS with B / S structure. Fourth, through the research of SOE (Server Object Extension), the network publishing of Multipatch data service is established, and through this service, the Multipatch data can be accessed, and the key problem of 3D model in browser is solved.
【學(xué)位授予單位】：中國地質(zhì)大學(xué)（北京）
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TP311.52;P208

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