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1、武漢理工大學(xué)碩士學(xué)位論文基于虛擬現(xiàn)實(shí)技術(shù)的機(jī)艙漫游系統(tǒng)姓名:許軼超申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):交通信息工程及控制指導(dǎo)教師:陳輝2003.4.1武漢理T大學(xué)碩+學(xué)位論文摘要隨著計(jì)算機(jī)技術(shù)、通信技術(shù)及其他相關(guān)技術(shù)的飛速發(fā)展,信息的可視化成為新的應(yīng)用發(fā)展方向,基于虛擬現(xiàn)實(shí)的仿真技術(shù)日益成為當(dāng)前研究的熱點(diǎn)。本文在分析了虛擬現(xiàn)實(shí)技術(shù)在國(guó)內(nèi)外發(fā)展及應(yīng)用情況的基礎(chǔ)上,結(jié)合船舶機(jī)艙的具體情況,建立了虛擬機(jī)艙漫游系統(tǒng),包括船舶主機(jī)等三維實(shí)體建模和運(yùn)動(dòng)建模開(kāi)發(fā)了具有虛擬現(xiàn)實(shí)特點(diǎn)的視景仿真系統(tǒng),并實(shí)現(xiàn)了實(shí)時(shí)仿真及交互控制的功能。具體工作包括以下幾個(gè)部分:首先,通過(guò)對(duì)國(guó)內(nèi)外虛擬現(xiàn)實(shí)技術(shù)及漫游系統(tǒng)的研究及
2、應(yīng)用情況綜述,闡述了本課題的必要性和現(xiàn)實(shí)意義,并提出虛擬機(jī)艙漫游系統(tǒng)的實(shí)現(xiàn)方法。其次,通過(guò)對(duì)三維建模軟件分析,選用SGI工作站的大型建模軟件MultiGen對(duì)船舶機(jī)艙進(jìn)行虛擬場(chǎng)景的構(gòu)建。建模過(guò)程中主要采取基于圖形的建模方法,其中包括場(chǎng)景視/音體建模、運(yùn)動(dòng)建模以及背景模型的構(gòu)建。結(jié)合虛擬機(jī)艙的建模特點(diǎn),對(duì)軟件關(guān)鍵技術(shù)進(jìn)行了詳細(xì)的闡述。在建立場(chǎng)景數(shù)據(jù)庫(kù)后,對(duì)模型進(jìn)行優(yōu)化。最后,選用虛擬現(xiàn)實(shí)開(kāi)發(fā)軟件Vega實(shí)現(xiàn)實(shí)時(shí)漫游,提供了場(chǎng)景漫游的設(shè)計(jì)過(guò)程,并對(duì)碰撞檢測(cè)、交互控制等關(guān)鍵技術(shù)進(jìn)行了詳細(xì)說(shuō)明。關(guān)鍵字:虛擬現(xiàn)實(shí)三維視景建模flu]tiGen武漢理一f:大學(xué)碩十學(xué)位論文Abstract
3、Withtherapidspeeddevelopmentofcomputerscience,communicationtechnologyandothertechnologies,thevisibilityofinformationbecomesthenewfieldofapplicationdevelopmentandthesimulationtechnologybasedOllVirtualReality(forshort,VR)isbeingincreasinglythefocusofcurrentlyresearch.Thispaperpresentstheproce
4、ssofhowtoanalyzethestatusofthedevelopmentandapplicationofVRtechnology,modelsthevirtualengineroomsystemaccordingtotherealengineroomcondition,setsupthe3Dstaticmodelandactivemodel,anddevelopsthevisualsimulationsystemwhichhastheVRcharacteristic.Theresearchworkincludesseveralpartsasfellow:Thesig
5、nificanceandimportanceofthistaskispresentedbycarefullystudyingthestatusofthedevelopmentandapplicationofVRtechnologyallovertheworld.Themethodofhowtodevelopthevirtualengineroomsystemisalsopresentedinthispaper.AsoftwarenamedMultiGenwhichisbasedonSGlworkstationisusedtomodelthesceneofengineroom.
6、Intheprocessofmodeling,themethodismostlybasedongraphics,whichincludesthesolidmodels,soundmodels,activemodelsandbackgroundmodels.Thekeytechnologyofthesoftwarerelatingtothecharacteristicofmodelingvisualengineroomisfinelyillustrated.Aftersetupthescenedatabase,themodelsarewelloptimized.Real-tim
7、eroamingisfulfilledbyusingaVRdevelopmentsoftwarenamedVegaandthedesignprocessofsceneroamingisoffered.Thekeytechnologyofcollisioncheck—upandinteractivecontrolarealsoilluminatedinthispaper.Keywords:VR3DvisualmodelingMultiGenH武漢理I.大學(xué)碩十學(xué)位論文1.1虛擬現(xiàn)實(shí)技術(shù)第1章緒論計(jì)算機(jī)技術(shù)