本文選題：WebGIS + ArcGIS��； 參考：《電子科技大學(xué)》2017年碩士論文

【摘要】：人類對(duì)地理信息的使用由來已久,從導(dǎo)航到規(guī)劃再到輔助決策,時(shí)刻在展現(xiàn)著它的巨大功效。萬維網(wǎng)改變了人類社會(huì)的各個(gè)方面,也正在改變地理信息系統(tǒng)。WebGIS這一新興領(lǐng)域正是地理信息系統(tǒng)與萬維網(wǎng)結(jié)合的產(chǎn)物。從1993年出現(xiàn)之后就不斷地發(fā)展壯大,并以其獨(dú)特的魅力和廣泛的用途滲透到人們的生活中,吸引了越來越多的互聯(lián)網(wǎng)用戶。各個(gè)行業(yè)都直接或間接的與WebGIS建立了不可分割的聯(lián)系。但是隨著各行各業(yè)的WebGIS應(yīng)用日益增加,大量重復(fù)的GIS開發(fā)工作也每天在被復(fù)制,因此WebGIS開發(fā)的效率亟待提高。本文基于對(duì)各個(gè)行業(yè)的WebGIS應(yīng)用系統(tǒng)的不斷探索和研究,提出了可支持多行業(yè)的WebGIS中間件的概念,并進(jìn)行了體系結(jié)構(gòu)設(shè)計(jì),定義了相應(yīng)的接口規(guī)范。作為中間件本系統(tǒng)可以供各行各業(yè)的WebGIS應(yīng)用開發(fā)者使用。WebGIS開發(fā)者無需了解GIS底層的復(fù)雜操作,就可快速構(gòu)建GIS應(yīng)用,從而把重心放在對(duì)業(yè)務(wù)系統(tǒng)的研究和開發(fā)上,為用戶提供了更好的使用體驗(yàn)。同時(shí)對(duì)于OGC標(biāo)準(zhǔn)的實(shí)現(xiàn)也盡綿薄之力。論文分析并研究了當(dāng)前GIS二次開發(fā)平臺(tái)所存在的不足和局限性,參考大量的體系結(jié)構(gòu)設(shè)計(jì),遵循接口設(shè)計(jì)規(guī)范和原則,設(shè)計(jì)實(shí)現(xiàn)了WebGIS中間件體系結(jié)構(gòu)和接口規(guī)范。并將該中間件應(yīng)用到實(shí)際鐵路GIS領(lǐng)域,對(duì)系統(tǒng)的功能和性能進(jìn)行了驗(yàn)證。具體工作內(nèi)容包括:(1)對(duì)比分析現(xiàn)有WebGIS技術(shù)的優(yōu)缺點(diǎn),提出支持多行業(yè)的WebGIS中間件概念。設(shè)計(jì)了其體系結(jié)構(gòu),并定義了相應(yīng)的接口規(guī)范。(2)對(duì)WebGIS中間件系統(tǒng)的數(shù)據(jù)庫、系統(tǒng)總體結(jié)構(gòu)、系統(tǒng)接口規(guī)范、系統(tǒng)層次等進(jìn)行了詳細(xì)的設(shè)計(jì)。(3)使用上述體系結(jié)構(gòu)和接口規(guī)范初步實(shí)現(xiàn)了一個(gè)支持多行業(yè)的WebGIS中間件系統(tǒng)。(4)對(duì)本論文設(shè)計(jì)的中間件進(jìn)行應(yīng)用,驗(yàn)證了本論文所提出的系統(tǒng)的體系結(jié)構(gòu)和中間件接口。實(shí)踐證明,本論文所提出的WebGIS中間件系統(tǒng)加快了WebGIS應(yīng)用的開發(fā)效率,減少了各個(gè)行業(yè)在進(jìn)行WebGIS開發(fā)過程中的大量重復(fù)工作。系統(tǒng)小巧輕便、使用簡單。同時(shí)本系統(tǒng)對(duì)于各個(gè)行業(yè)的行業(yè)相關(guān)的GIS功能和行業(yè)無關(guān)的GIS功能都有著良好的支持和較大的拓展空間,具備一定的理論研究意義和實(shí)用價(jià)值。
[Abstract]:Geographical information has been used for a long time, from navigation to planning to auxiliary decision-making, showing its great effect. The World wide Web has changed all aspects of human society and is changing the new field of GIS. WebGIS is the result of the combination of GIS and the World wide Web. Since its emergence in 1993, it has been developing and expanding, and has attracted more and more Internet users because of its unique charm and wide use. All industries are directly or indirectly linked to WebGIS. However, with the increasing of WebGIS applications in various industries, a large number of repeated GIS development work is being replicated every day, so the efficiency of WebGIS development needs to be improved. Based on the continuous exploration and research of WebGIS application system in various industries, this paper puts forward the concept of multi-industry WebGIS middleware, designs the architecture and defines the corresponding interface specification. As a middleware this system can be used by WebGIS application developers in various industries. WebGIS developers can quickly build GIS applications without knowing the complex operations of the underlying GIS, thus focusing on the research and development of business systems. For users to provide a better use of the experience. At the same time, the implementation of the OGC standard is also limited. This paper analyzes and studies the shortcomings and limitations of the current GIS secondary development platform, and designs and implements the WebGIS middleware architecture and interface specification by referring to a large number of architecture designs and following the interface design specifications and principles. The middleware is applied to the field of railway GIS, and the function and performance of the system are verified. The specific work includes: (1) comparing and analyzing the advantages and disadvantages of the existing WebGIS technology, and putting forward the concept of WebGIS middleware supporting multi-industry. This paper designs its architecture, and defines the corresponding interface specification. It defines the database, system architecture, system interface specification of WebGIS middleware system. The system level is designed in detail. (3) using the above architecture and interface specification, a multi-industry WebGIS middleware system. 4) is applied to the middleware designed in this paper. The architecture and middleware interface of the proposed system are verified. Practice shows that the WebGIS middleware system proposed in this paper speeds up the development efficiency of WebGIS applications and reduces a lot of repeated work in the process of WebGIS development in various industries. The system is small and light and easy to use. At the same time, the system has good support and large expansion space for the related GIS functions and the industry-independent GIS functions in various industries, and has a certain theoretical research significance and practical value.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TP393.09;P208

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