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

【摘要】：GIS即地理信息系統，隨著相關理論和技術的日趨成熟及人們對空間信息技術和位置服務需求的加大，推動著GIS應用逐步地走向大眾化、行業(yè)化，GIS技術已經應用于與位置相關的各個行業(yè)及領域。二維GIS具有宏觀性[1]、簡潔性等優(yōu)點，可以快速的對環(huán)境進行抽象，具有強大的二維空間查詢分析、統計、標繪等功能，二維GIS標繪多運用于軍事作戰(zhàn)指揮系統，其實時性和協同性還沒有得到很好的體現。可見，傳統的二維GIS標繪應用在可視化表達方面的效果不佳，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慣，表現更多的空間關系，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的研究與應用均還處于初步發(fā)展階段，國外已經推出了幾款技術較成熟、應用較廣泛的三維GIS平臺，如Google Earth、NASA World Wind、Skyline、ERSI ArcGlobl等。但是在這些平臺上的標繪還處于簡單標繪的應用，對復雜箭標標繪應用還很少。由于在空間信息數據管理和數據共享方面存在的問題，二三維標繪的協同性和交互性的體現還較差[3]。 縱觀二三維標繪的應用，還發(fā)現如下問題： 1）二三維沒有構建統一的標繪圖標庫。 2）協同標繪體現不足，標繪分析、處理功能不足。 3)三維標繪地形匹配算法還有待改進。 4）二三維聯動性差。 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據共享和協同模型的二三維聯動箭標標繪方法。 1）主要運用以數據為核心的體系架構，，實現多系統間的數據共享和交換，通過G/S模式提出的HGML[4]可實現海量、異構數據的存儲、組織和調度。 2）基于HGML的協同模型，以便實現二三維的協同功能。 3）基于協同模型的二三維聯動，以便實現二三維的協同聯動標繪。 本文研究的主要內容如下： 1）基于HGML來設計標繪符號庫，并在二維和三維場景中均能夠調用該標繪符號庫實時地標繪箭標符號。 本文采用統一數據交換標準（HGML）對矢量等空間信息數據進行統一的管理，實現多箭頭、多箭尾、可拉伸放大等功能的標繪符號庫。研究二維箭標標繪時，主要以“嵌擊型”和“燕尾型”箭標為例來介紹二維不規(guī)則箭標的構建過程，然后利用Flex插件調用標繪符號庫來實現二維箭標的標繪；研究三維箭標標繪時，先介紹了三維箭標的繪制原理，再分別介紹了三維模型標繪符號、三維規(guī)則矢量標繪符號、三維不規(guī)則標繪符號的標繪，且分別介紹了三維模型標繪符號和三維不規(guī)則標繪符號的地形匹配。 2）構建了一種基于HGML的二三維協同模型。 HGML以基于XML的數據注冊與數據交換機制為主線，通過云服務下的海量數據管理及客戶端聚合服務機制，可以有效解決存儲管理、服務響應、網絡帶寬、信息表達、操作控制、技術和分析等瓶頸問題，由此構建一種基于HGML的二三維協同模型可有效的解決二三維標繪的協同問題�；贖GML的二三維協同模型主要包括協同管理、HGML文件存儲與分析、會議管理、協議、協同服務和協同交互六個模塊，各模塊缺一不可，才能保證協同標繪的實時性、時效性和正確性。 3）搭建了一個基于協同模型的二三維聯動通信框架。 二三維聯動框架的構建結合了協同模型、消息轉換和推送技術，且主要分為請求、協同、處理、消息轉換、推送、數據展示六個過程。通過基于協同模型的二三維聯動通信框架實現了二維GIS與二三維聯動服務器的通信和三維GIS與二三維聯動服務器的通信。 4）搭建了一個基于協同模型的二三維聯動標繪顯示框架。 基于協同模型的二三維聯動標繪顯示架構主要由協同模型、標繪標號庫、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，在協同模型的基礎上，實現了二維場景主導的二三維聯動標繪和三維場景主導的二三維聯動標繪。主要表現在三維場景中標繪時，箭標符號能同步地顯示在相同經緯度位置的二維場景中，反之亦然。 通過以上調查及研究，本文構建了基于HGML的多終端協同模型，利用該模型實現了多終端協同的二三維聯動標繪。 1）利用會議模式和HGML技術，結合協同原理及技術背景，構建了基于HGML的多終端協同模型。 2）通過二三維聯動通信模型及多終端協同模型的結合，構建了基于多終端協同模型的二三維聯動顯示模塊，分別實現了二維場景主導的二三維聯動標繪和三維場景主導的二三維聯動標繪。
[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.
【學位授予單位】：成都理工大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：P208

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