【摘要】：隨著計(jì)算機(jī)與網(wǎng)絡(luò)技術(shù)的發(fā)展，虛擬現(xiàn)實(shí)技術(shù)也變得日漸成熟。虛擬現(xiàn)實(shí)技術(shù)是一種嶄新的人機(jī)交互方式，具有沉浸性、交互性和多感知性的特點(diǎn)。其中三維建模技術(shù)能夠逼真的表達(dá)客觀世界，但其缺少空間分析能力，因此地理信息系統(tǒng)與虛擬現(xiàn)實(shí)技術(shù)的結(jié)合成為研究熱點(diǎn)之一。國內(nèi)外許多數(shù)字城市的建設(shè)都是基于兩者的結(jié)合實(shí)現(xiàn)的。 虛擬校園作為數(shù)字城市其中的一個重要方面，可以生動的展現(xiàn)真實(shí)的校園景觀，實(shí)現(xiàn)三維景觀與三維地形的疊合，給用戶帶來強(qiáng)烈的視覺沖擊。虛擬校園對于校園建設(shè)規(guī)劃、校園決策支持以及日常管理具有重要作用。 本課題主要研究了虛擬校園的構(gòu)建過程，以成都理工大學(xué)主校區(qū)作為虛擬空間，根據(jù)虛擬現(xiàn)實(shí)地理信息系統(tǒng)技術(shù)原理，詳細(xì)闡述了從數(shù)據(jù)采集到場景分析的整個過程，成功的建立了成都理工大學(xué)虛擬校園，并論述了建設(shè)過程中存在的問題。 首先，本文通過緒論章節(jié)，詳細(xì)闡述了虛擬校園建設(shè)的背景以及研究目的，，并結(jié)合國內(nèi)外的研究現(xiàn)狀明確了主要的研究思路和方法。其次，詳細(xì)論述了虛擬校園建設(shè)的主要過程，依次從數(shù)據(jù)采集到數(shù)據(jù)處理，然后是主要地物模型的建立，再到將所有數(shù)據(jù)有機(jī)的組織到虛擬場景中。最后結(jié)合已經(jīng)建立的虛擬校園進(jìn)行場景的空間分析，體現(xiàn)了虛擬現(xiàn)實(shí)地理信息系統(tǒng)相對于簡單三維建模技術(shù)的空間分析優(yōu)勢。在本文的結(jié)論部分，對本次課題所取得主要成果進(jìn)行了總結(jié)，并且歸納了在實(shí)驗(yàn)過程中所發(fā)現(xiàn)的問題，并對以后主要的研究方向進(jìn)行展望。 本課題以成都理工大學(xué)為研究區(qū)域，獲取校園范圍內(nèi)的影像數(shù)據(jù)、高程數(shù)據(jù)、建筑物屬性數(shù)據(jù)，使用Sketchup軟件進(jìn)行建筑物建模以及其他地物的添加，最終將數(shù)據(jù)添加到ArcScene環(huán)境中建立整個虛擬校園，詳細(xì)闡述了從數(shù)據(jù)采集到模型建立以及通過虛擬校園進(jìn)行空間分析整個流程，這對于類似的虛擬校園的建立具有一定的借鑒意義。
[Abstract]:With the development of computer and network technology, virtual reality technology has become more and more mature. Virtual reality (VR) is a new way of human-computer interaction, which has the characteristics of immersion, interaction and multi-perception. 3D modeling technology can represent the objective world realistically, but it lacks the ability of spatial analysis. Therefore, the combination of GIS and virtual reality technology has become one of the research hotspots. The construction of many digital cities at home and abroad is based on the combination of the two. Virtual campus, as an important aspect of digital city, can vividly show the real campus landscape, realize the combination of 3D landscape and 3D terrain, and bring strong visual impact to users. Virtual campus plays an important role in campus construction planning, campus decision support and daily management. This topic mainly studies the construction process of the virtual campus, taking the main campus of Chengdu University of Technology as the virtual space, according to the technology principle of virtual reality geographic information system, expounds the whole process from data collection to scene analysis in detail. Successfully established the virtual campus of Chengdu University of Technology, and discussed the problems in the process of construction. First of all, through the introduction, this paper elaborates the background and research purpose of virtual campus construction, and clarifies the main research ideas and methods combined with the current research situation at home and abroad. Secondly, the main process of virtual campus construction is discussed in detail, from data acquisition to data processing, and then to the establishment of the main feature model, and then to organically organizing all the data into the virtual scene. Finally, the virtual campus has been established to carry on the space analysis of the scene, which shows the advantage of the virtual reality geographic information system compared with the simple three-dimensional modeling technology. In the conclusion of this paper, the main achievements of this paper are summarized, and the problems found in the experiment are summarized, and the main research directions in the future are prospected. In this paper, we take Chengdu University of Technology as the research area, obtain the image data, elevation data, building attribute data, use Sketchup software to model buildings and add other features. Finally, the data is added to the ArcScene environment to establish the whole virtual campus, and the whole process from data acquisition to model building and spatial analysis through virtual campus is described in detail. This has certain reference significance for the establishment of similar virtual campus.
【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;TP391.9

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