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VirtualrealitytechnologyThemaincontentIOverviewIIVRhardwareandinteractiondevicesIIIVirtualRealityandGISnetworkIVVirtualrealitytechnologydevelopsVvirtualenvironmentmodelingandtoolsVIdevelopmentexample:VirtualCampusXianlinCampusofNanjingNormalUniversityVIIProspectsandProblemsAppendix:ReferencesIOutlineVirtualrealityisthedevelopmentofcomputertechnologyishighlycrystallineandisreflectedinthevariousfieldsintheapplicationprocess,includingnotonlygraphics,imageprocessing,patternrecognition,networktechnology,parallelprocessingtechnology,artificialintelligenceandotherhigh-performancecomputingtechnology,butalsoinvolvesmathematics,physics,communications,andevenrelatedtometeorology,geography,aesthetics,psychologyandsociology.I-IWhatisvirtualrealityVirtualrealityorvirtualenvironmentisgeneratedbyacomputerhavingspotfeelingenvironment,itisanewinteractivesystem.Virtualrealitytechnologyisessentiallyahighlyrealisticsimulationofhumanvisioninreallife.Hearing.Actionandotheractsofinteractivetechnology.Traditionalinformationprocessingenvironmenthasbeenapeopleadaptcomputer,whiletoday'sgoalorideaistograduallymakecomputeradaptationandpeoplecalledfortheadoptionofsight,hearing,touch,smell,andbody,gestureorpassword,toparticipateintheinformationenvironmentaltreatedtotherebyobtainanimmersiveexperience.Thisinformationprocessingsystemisnolongerbasedontheone-dimensionaldigitalspace,butonamultidimensionalinformationspace.Virtualrealitytechnologyisakeytechnologytosupportthismulti-dimensionalinformationspace.I-IIVirtualRealityFeatursImmersionInteractionImaginationImmersionvAnartificialcomputergeneratedvirtualenvironment,thisvirtualenvironmentisathree-dimensionaldigitalmodelsconstructedbycomputergraphics,programmedintoacomputertoproducerealisticvirtualenvironment,allowinguserstogenerateanimmersivevirtualenvironmentvisuallythefeeling,whichisasenseofvirtualrealitytechnologyimmersion(Immersion)orspotasenseofparticipationInteractionModelandthetraditionalthree-dimensionalanimationandvirtualrealityareusuallygeneratedbyCADsystemsisnotthesame,itisnotastaticworld,butanopen,interactive,virtualrealityenvironmentcaninfluencebycontrollingandmonitoringdevicesorusersEffects,whichisthesecondfeatureVR,i.e.interaction(Interaction).ImaginationVirtualrealityisnotjustademonstrationofmedia,butalsoadesigntool.Itreflectsthevisualformdesignerideas,suchaswhenthefrontcoverofamodernbuilding,thefirstthingyoudoisforthebuilding'sstructure,beautifulideatododetailed,inordertomakequantitative,youneedtomanydesigndrawings,ofcourse,thesedrawingsonlyinsidersunderstand,virtualrealitycanputthisideaintoavisiblevirtualobjectsandenvironments,sothatinthepastonlywithtraditionalsandtabledesignpatternsupgradetodigital-per-viewincomethatisperfection,greatlyimprovingthequalityandefficiencyofthedesignandplanning.ThisisthethirdcategoryofVRhasfeaturesthatimagination(Imagination).I-IIIVirtualRealityclassificaionDesktopVirtualRealityImmersivevirtualrealityAugmentedRealityofVirtualRealityDistributedVirtualRealityI-IVThedifferencebetweenvirtualrealityandthree-dimensionalanimationVirtualRealityThree-dimensionalanimationAcombinationofdigitalvirtualenvironmentmodelbasedonrealdatafromstrictcompliancewiththestandardsandrequirementsoftheprojectdesign,ascientificsimulationsystems.?Manipulatorexperiencethevirtualthree-dimensionalspace,immersive.Ofscenespainteddirectlybytheanimatorsmadeaccordingtothematerialorimaginedtogether,andrealenvironmentsanddatahaveabiggap,belongingtodemonstrateclassworksofart.?Presupposedobservationpathcannotbechanged.Theoperatorcanfeelthemovementtobringreal-timescenechanges,walkingscene,andpersonallyarrangedthescene,withtwo-wayinteractivefeatures.Onlyone-waypresentationsasmoviescenechange,makingthescreenrequirespriorgeneration,time-consuming,laboriousandcostly.VirtualRealityThree-dimensionalanimationSupportsstereoscopicdisplayand3Dstereo,three-dimensionalreality.DoesnotsupportNotimelimit,canshowatrueanddetailed,andyoucanexportfilesinvirtualrealityanimatedvideobasedonthesamedatacanbeusedfortheproductionofmulti-modebodyandpublicity,cost-effective.Animationbythetimelimit,cannotbedetaileddisplay,lowprice.Inreal-timethree-dimensionalenvironment,adjustmentsupportprograms,assessment,management,informationinquiryandotherfunctions,suitableforlargercomplexprojectplanning,design,bidding,approval,managementandotherneeds,butalsohasamorerealisticandintuitivemultimediapresentationcapabilities.Onlysuitableforsimplepresentationcapabilities.I-VVirtualrealitytechnologyusedintherealworldManygamemakers,inordertomakethegamemorerealisticcharactermovements,oftenwillusethemotioncapturesystem.Virtualrealitytechnologyuseinthefilm.Example:MatrixDisplayofgoods(suchashome,appliances,etc.)IIVRhardwareandinteractiondevicesAtypicalsystemconsistsofvirtualrealityspacedataacquisitionsystem,thehumandatacapturesystems,three-dimensionaldisplaydevice,aswellasthree-dimensionalcontrolequipmentandacomputersystem.Spatialdataacquisitionsystem,humandatacapturesysteminavirtualenvironmenttoestablishspacemodel;3Ddisplaydevice,athree-