三維地形虛擬仿真的研究與實(shí)現(xiàn).pdf

1、華東師范大學(xué)碩士學(xué)位論文三維地形虛擬仿真的研究與實(shí)現(xiàn)姓名：朱軍文申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：張際平20050401AbstractSince1990thetechnologyofvirtualreality(virtualenviroment)hasalwaysbeenoneofhotspotsininformationfieldresearch，developmentandapplicationThedevelop

2、mentofvirtualrealitytechnology、scenesimulationtechnologyandcomputergraphictechnologyhasgreatlyputforwardthedevelopmentof3DterrainvirtualenviromentandscenesimulationwhichhavebrightfutureinapplicationTheimportantfeaturesof

3、virtualenviromentareimmerse，interactiveandimagethatgivechallengetorealizeimagerealityandreal—timerenderingin3DterrainvirtualenviromentandscenesimulationactuallyThereareconflictsbetweenimagerealityandreal—timerenderingAst

4、heimagebecomestruetonature，themodelneedsbeingmoredelicate，andmoretimeisneedMorecomplicatedthemodelis，moredifficulttherealtimerenderingistocompletebecauseofthelimitationofcomputerhardwareperformanceThen，userswillnottolera

5、tethiscaseThepaperdescribesthesketchofvirtualenviromentandscenesimulation，andstudiesthegeneralprocessofvirtualenviromentandscenesimulation，includinglightmodels，texturemapping，real—timevisibilityculling，real—timeterrainwa

6、lkthrough，levelofdetailsandmultiresolutiontree，andresearchesimportantalgorithmsthateffectimagerealityandreal—timerendering，specillymultiresolutionquadtreemodelandmutil—texturemappingAdditionallynaturescenesimulating，frac