本文選題：DOAG/S模式 + HGML��； 參考：《成都理工大學(xué)》2013年碩士論文

【摘要】：GIS即地理信息系統(tǒng)，隨著相關(guān)理論和技術(shù)的日趨成熟及人們對空間信息技術(shù)和位置服務(wù)需求的加大，推動著GIS應(yīng)用逐步地走向大眾化、行業(yè)化，GIS技術(shù)已經(jīng)應(yīng)用于與位置相關(guān)的各個行業(yè)及領(lǐng)域。二維GIS具有宏觀性[1]、簡潔性等優(yōu)點，可以快速的對環(huán)境進(jìn)行抽象，具有強(qiáng)大的二維空間查詢分析、統(tǒng)計、標(biāo)繪等功能，二維GIS標(biāo)繪多運用于軍事作戰(zhàn)指揮系統(tǒng)，其實時性和協(xié)同性還沒有得到很好的體現(xiàn)�？梢�，傳統(tǒng)的二維GIS標(biāo)繪應(yīng)用在可視化表達(dá)方面的效果不佳，然而二維GIS不能給人以真實感、立體感，從而促進(jìn)了人們對三維GIS[2]的不斷探索。三維GIS更加接近于人的視覺習(xí)慣，表現(xiàn)更多的空間關(guān)系，彌補了二維GIS自身的很多缺陷。但是就目前來說，我國對三維GIS的研究與應(yīng)用均還處于初步發(fā)展階段，國外已經(jīng)推出了幾款技術(shù)較成熟、應(yīng)用較廣泛的三維GIS平臺，如Google Earth、NASA World Wind、Skyline、ERSI ArcGlobl等。但是在這些平臺上的標(biāo)繪還處于簡單標(biāo)繪的應(yīng)用，對復(fù)雜箭標(biāo)標(biāo)繪應(yīng)用還很少。由于在空間信息數(shù)據(jù)管理和數(shù)據(jù)共享方面存在的問題，二三維標(biāo)繪的協(xié)同性和交互性的體現(xiàn)還較差[3]。 縱觀二三維標(biāo)繪的應(yīng)用，還發(fā)現(xiàn)如下問題： 1）二三維沒有構(gòu)建統(tǒng)一的標(biāo)繪圖標(biāo)庫。 2）協(xié)同標(biāo)繪體現(xiàn)不足，標(biāo)繪分析、處理功能不足。 3)三維標(biāo)繪地形匹配算法還有待改進(jìn)。 4）二三維聯(lián)動性差。 針對以上不足，提出了本文的創(chuàng)新點，即提出了一種采用數(shù)據(jù)共享和協(xié)同模型的二三維聯(lián)動箭標(biāo)標(biāo)繪方法。 1）主要運用以數(shù)據(jù)為核心的體系架構(gòu)，，實現(xiàn)多系統(tǒng)間的數(shù)據(jù)共享和交換，通過G/S模式提出的HGML[4]可實現(xiàn)海量、異構(gòu)數(shù)據(jù)的存儲、組織和調(diào)度。 2）基于HGML的協(xié)同模型，以便實現(xiàn)二三維的協(xié)同功能。 3）基于協(xié)同模型的二三維聯(lián)動，以便實現(xiàn)二三維的協(xié)同聯(lián)動標(biāo)繪。 本文研究的主要內(nèi)容如下： 1）基于HGML來設(shè)計標(biāo)繪符號庫，并在二維和三維場景中均能夠調(diào)用該標(biāo)繪符號庫實時地標(biāo)繪箭標(biāo)符號。 本文采用統(tǒng)一數(shù)據(jù)交換標(biāo)準(zhǔn)（HGML）對矢量等空間信息數(shù)據(jù)進(jìn)行統(tǒng)一的管理，實現(xiàn)多箭頭、多箭尾、可拉伸放大等功能的標(biāo)繪符號庫。研究二維箭標(biāo)標(biāo)繪時，主要以“嵌擊型”和“燕尾型”箭標(biāo)為例來介紹二維不規(guī)則箭標(biāo)的構(gòu)建過程，然后利用Flex插件調(diào)用標(biāo)繪符號庫來實現(xiàn)二維箭標(biāo)的標(biāo)繪；研究三維箭標(biāo)標(biāo)繪時，先介紹了三維箭標(biāo)的繪制原理，再分別介紹了三維模型標(biāo)繪符號、三維規(guī)則矢量標(biāo)繪符號、三維不規(guī)則標(biāo)繪符號的標(biāo)繪，且分別介紹了三維模型標(biāo)繪符號和三維不規(guī)則標(biāo)繪符號的地形匹配。 2）構(gòu)建了一種基于HGML的二三維協(xié)同模型。 HGML以基于XML的數(shù)據(jù)注冊與數(shù)據(jù)交換機(jī)制為主線，通過云服務(wù)下的海量數(shù)據(jù)管理及客戶端聚合服務(wù)機(jī)制，可以有效解決存儲管理、服務(wù)響應(yīng)、網(wǎng)絡(luò)帶寬、信息表達(dá)、操作控制、技術(shù)和分析等瓶頸問題，由此構(gòu)建一種基于HGML的二三維協(xié)同模型可有效的解決二三維標(biāo)繪的協(xié)同問題�；贖GML的二三維協(xié)同模型主要包括協(xié)同管理、HGML文件存儲與分析、會議管理、協(xié)議、協(xié)同服務(wù)和協(xié)同交互六個模塊，各模塊缺一不可，才能保證協(xié)同標(biāo)繪的實時性、時效性和正確性。 3）搭建了一個基于協(xié)同模型的二三維聯(lián)動通信框架。 二三維聯(lián)動框架的構(gòu)建結(jié)合了協(xié)同模型、消息轉(zhuǎn)換和推送技術(shù)，且主要分為請求、協(xié)同、處理、消息轉(zhuǎn)換、推送、數(shù)據(jù)展示六個過程。通過基于協(xié)同模型的二三維聯(lián)動通信框架實現(xiàn)了二維GIS與二三維聯(lián)動服務(wù)器的通信和三維GIS與二三維聯(lián)動服務(wù)器的通信。 4）搭建了一個基于協(xié)同模型的二三維聯(lián)動標(biāo)繪顯示框架。 基于協(xié)同模型的二三維聯(lián)動標(biāo)繪顯示架構(gòu)主要由協(xié)同模型、標(biāo)繪標(biāo)號庫、信息分析處理、操作控制、三維顯示和二維顯示、輸入和輸出等模塊組成，在協(xié)同模型的基礎(chǔ)上，實現(xiàn)了二維場景主導(dǎo)的二三維聯(lián)動標(biāo)繪和三維場景主導(dǎo)的二三維聯(lián)動標(biāo)繪。主要表現(xiàn)在三維場景中標(biāo)繪時，箭標(biāo)符號能同步地顯示在相同經(jīng)緯度位置的二維場景中，反之亦然。 通過以上調(diào)查及研究，本文構(gòu)建了基于HGML的多終端協(xié)同模型，利用該模型實現(xiàn)了多終端協(xié)同的二三維聯(lián)動標(biāo)繪。 1）利用會議模式和HGML技術(shù)，結(jié)合協(xié)同原理及技術(shù)背景，構(gòu)建了基于HGML的多終端協(xié)同模型。 2）通過二三維聯(lián)動通信模型及多終端協(xié)同模型的結(jié)合，構(gòu)建了基于多終端協(xié)同模型的二三維聯(lián)動顯示模塊，分別實現(xiàn)了二維場景主導(dǎo)的二三維聯(lián)動標(biāo)繪和三維場景主導(dǎo)的二三維聯(lián)動標(biāo)繪。
[Abstract]:GIS is the geographic information system. With the increasing maturity of related theories and technologies and the increasing demand for space information technology and location service, the GIS application is gradually moving towards the popularization and industry. The GIS technology has been applied to the various industries and fields related to the location. The two-dimensional GIS has the advantages of macro [1], simplicity and so on. It is fast to abstract the environment with powerful two-dimensional spatial query analysis, statistics, plotting and other functions. The two-dimensional GIS plotting is used in military operations command system. The fact and synergy are not well reflected. It is obvious that the traditional two-dimensional GIS plotting application is not effective in visual expression, but two-dimensional GIS can not be used. It gives people a sense of reality and stereoscopic sense, thus promoting the continuous exploration of the three-dimensional GIS[2]. The three-dimensional GIS is closer to the human visual habits and shows more spatial relations, which makes up many defects of the two-dimensional GIS itself. However, at present, the research and application of 3D GIS in our country are still in the initial stage of development, and the foreign countries have already introduced it. Several more mature technology and more widely used 3D GIS platforms, such as Google Earth, NASA World Wind, Skyline, ERSI ArcGlobl and so on. However, the plotting on these platforms is still in the application of simple plotting, and the application of the complex standard plotting is very few. The two or three dimension standard is the problem of the data management and data sharing in the space information. The synergetic and interactive representation of the painting is still poor [3].
Looking at the application of two or three dimensional mapping, the following problems are also found:
1) the two or three dimension does not build a unified plotting icon library.
2) lack of Collaborative Plotting, lack of plotting analysis and processing functions.
3) the algorithm for 3D mapping of terrain matching needs to be improved.
4) poor two or three dimensional linkage.
In view of the above shortcomings, the innovation of this paper is put forward, that is, a two or three dimensional linkage arrows plotting method using data sharing and coordination model.
1) it mainly uses data as the core architecture to realize data sharing and exchange among multiple systems. HGML[4] can achieve mass, storage, organization and scheduling of heterogeneous data through the G/S model.
2) a collaborative model based on HGML in order to achieve two dimensional collaborative functions.
3) two or three dimensional linkage based on collaborative model, so as to realize two dimensional collaborative Collaborative Plotting.
The main contents of this paper are as follows:
1) design a plotting symbol library based on HGML, and can draw the symbol library in real time in 2D and 3D scenes to mark the arrow marks in real time.
In this paper, the unified data exchange standard (HGML) is used to manage the vector and other spatial information data in a unified way to realize the plotting Library of multiple arrows, multiple arrows, and extensible magnification functions. The construction process of two-dimensional irregular arrow marks is introduced mainly by the "inlay" and "swallow tail" arrow marks. Using the Flex plug-in to call the plotted symbol library to realize the plotting of the two-dimensional arrow mark. In the study of 3D arrow plotting, the drawing principle of 3D arrow marks is introduced first, and then the 3D model plotting symbols, the 3D rule vector plotting symbols, and the 3D irregular plotting symbols are introduced, and the 3D model plotting symbols and three are respectively introduced. Terrain matching of irregular plotted symbols.
2) build a two or three dimensional collaborative model based on HGML.
HGML, based on the XML based data registration and data exchange mechanism, can effectively solve the bottleneck problems of storage management, service response, network bandwidth, information expression, operation control, technology and analysis through mass data management and client aggregation service mechanism under the cloud service. Thus, a two or three dimension collaborative model based on HGML is constructed. It can effectively solve the coordination problem of two 3D plotting. The two or three dimensional collaborative model based on HGML mainly includes cooperative management, HGML file storage and analysis, conference management, protocol, cooperative service and collaborative interaction, and each module is indispensable to ensure the real-time, timeliness and correctness of the Collaborative Plotting.
3) build a two or three dimensional linkage communication framework based on collaborative model.
The construction of the two or three dimensional linkage framework combines the collaborative model, message conversion and push technology, and it is mainly divided into six processes: request, collaboration, processing, message conversion, push, and data display. Through the framework of two or three dimensional linkage communication based on collaborative model, the communication between two dimensional GIS and two three-dimensional linkage server and the interaction of 3D GIS and two or three dimension are realized. The communication of the server.
4) build a two or three dimensional linkage plotting display framework based on collaborative model.
The two or three dimensional linkage mapping and display architecture based on collaborative model mainly consists of collaborative model, plotting tag library, information analysis and processing, operation control, 3D display and two-dimensional display, input and output modules. Based on the collaborative model, the two or three dimension linkage plotting led by two-dimensional scene and the two or three dimension of 3D scene led by 3D scene are realized. Dynamic plotting is mainly manifested in the three dimensional scene when plotting, the arrow symbol can be synchronized in the same latitude and longitude position in the two-dimensional scene, and vice versa.
Through the above investigation and research, this paper constructs a multi terminal collaboration model based on HGML, and realizes the two or three dimensional linkage plotting of multi terminal collaboration using the model.
1) using conference mode and HGML technology, combined with collaborative principle and technical background, a multi terminal collaboration model based on HGML is constructed.
2) through the combination of the two or three dimensional linkage communication model and the multi terminal cooperative model, the two or three dimension linkage display module based on the multi terminal cooperative model is constructed, which realizes the two or three dimensional linkage mapping of the two-dimensional scene and the two or three dimensional linkage plotting led by the 3D scene.
【學(xué)位授予單位】：成都理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：P208

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