精品文档22中英文双语计算机专业外文文献翻译成品基于Unity3D的虚拟现实(VR)新方法（实用应用文）.doc

该【精品文档22中英文双语计算机专业外文文献翻译成品基于Unity3D的虚拟现实(VR)新方法（实用应用文） 】是由【世界末末日】上传分享，文档一共【19】页，该文档可以免费在线阅读，需要了解更多关于【精品文档22中英文双语计算机专业外文文献翻译成品基于Unity3D的虚拟现实(VR)新方法（实用应用文） 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。精品文档22中英文双语计算机专业外文文献翻译成品基于Unity3D的虚拟现实(VR)新方法文档信息主题:关于“IT计算机”中“软件工程”的参考范文。属性:Doc-93KJU1,doc格式,正文19520字。质优实惠,欢迎下载!作为内容写作的参考文案,解决如何写作、正确编写文案格式、内容摘取等相关适用:工作。正文精品文档22中英文双语计算机专业外文文献翻译成品基于Unity3D的虚拟现实(VR)新方法此文档是毕业设计外文翻译成品,含英文原文+中文翻译,,无需调整复杂的格式!之后直接可用,方便快捷!本文价格不贵,也就几十块钱!一辈子也就一次的事!外文标题:ANewMethodofVirtualRealityBasedonUnity3D外文SaWang,ZhengliMao,ChanghaiZeng,HuiliGong,ShahanLi,BeibeiChen文献出处:InternationalConferenceonGeoinformatics,2018:1-5(如觉得年份太老,可改为近2年,毕竟很多毕业生都这样做)英文2987单词,15889字符(字符就是印刷符),中文5089汉字。Abstract—Intheareaofgeographicinformationsystem,therearealwaystwomethodstoget3Dvirtualreality,oneistousea2DprofessionalplatformsuchasArcGISsoftwaretogetthevirtualrealitybysecondarydevelopment,theotheristousea3Dorsoftwareasaplatformfordevelopment,,wewilluseadifferentplatform,Unity3D,whichisusuallytreatedasgamedevelopmentsoftware,,thehierarchicalapproachofgeographicinformationsystemisadoptedinthestudyarea,andtheareaisdividedintofourlaye:TerrainLayer,BuildingLayer,TraportLayer,VegetationLayer,additionally,,,the3DmodelsareimportedintotheUnity3D,,,thesceneiskeeponupdating60timespersecond,,theusecanchoosetheirownwaytobrowseandparticipateinthevirtualreality,ordingtotheirownwisheswithoutaffectingtheothebyusingthedesignatedkeysonthekeyboard。Keywords-VirtualReality;Unity3D;GISIntroductionVirtualreality(VR)puter-simulatedenvironment,MichaelHeim(1994)identifiessevendifferentconceptsofvirtualreality[1]:simulation,interaction,artificiality,immeion,telepresence,full-bodyimmeion,。Unity3Disoneofthemostfamousvirtualrealitytools,itiscross-platformgamedevelopmentsoftware,andnowbesidesMacOSX,Unity3DcanfullysupportWindowsXP/Vista/7,Unity3Dsupportsthreescriptinglanguages:JavaScript,C#,,librarieswhichsupportdatabases,regularexpressio,XML,,piledtonativecodeandrunnearlyasfastasC++.,C#,,VB6,,work。Inthisresearch,,Pingdingshan,China,withanareaof1,066,667m2,rangingfrom33?46′11″Nto33?46′42″N,113?10′52″Eto113?11′36″E。FRAMEWORKANDIMPLEMENTATIONbrowser-Serverthree-tierarchitectureVR-basedframeworkisdesignedintheresearchareaandincluding3laye:presentationlayer,logiclayeranddatalayer[2]1)Presentationlayerismainlyusedforinterfacedisplayandtoachievetheuser'squery。2)Logiclayercoistsofwebserverandapplicationserver[3].WorkflowofLogiclayerisasfollows:a)Webserverreceivestheuser’sHttprequestwhichsendbythebrowser;b)requestispassedtotheapplicationserver;c)applicationserverconverttheHttprequestsintothestatementthatdatabasecanidentify;d)sendingtherequesttoqueryinthedatabase;e)plete,thequeryresultsetsarereturnedtotheapplicationserver;f)applicationserveranalyzeandprocesstheresultsets;g)senttheresulttowebbrowserbywebserve;h)downloadthethree-dimeionalscenefilesthatuserrequestsfromPresentationlayer;i)showavirtualthree-dimeionalscenebyaplug-inwhichembeddedinthebrowser。3)Datalayerincludestherelatedspatialdataandattributedata,suchasDEMdata。Inthisstudy,thehierarchicalapproachofgeographicinformationsystemisadopted,andthestudyareaisdividedintofourlaye:Terrainlayer,Buildinglayer,。Inthevirtualrealitysystem,Two-dimeionalmapsareusedasbasemapsin3Dscenestoexpressthegeographicentity’sthree---,,pletevirtualthree-。Overall,therearetwokindsofworks:oneistheworksoutsideunity3D,includingmodels,animatio,textures,soundsandGUIgraphics;theotheristheworksinunity3D,suchaslevels,scripts,physics,materials,。WORKSOUTSIDEUNITY3DCollectionTherearetwokindsofdataweneedinthestudy::?Theterrainmapswhichscaleis1:500,obtainedbyGPS。?Two-dimeionalmapsofthestudyareaincludingarchitecturaldesignmapsanddesignsketchthattheresearchareapreviouslysaved。?Textureofroads,law,trees,publicfacilities,buildingstakenbycamerafromdifferentangles。,[4].Thevirtualrealityenvironmentcoistsofroads,lights,trafficsymbols,trees,,,attributeinformationandmodelsofgeographyentitiesareneededforachievinggoodqualityobjectsofscenes[5]1)TerrainLayer:Fitofall,,。WiththepromotionandapplicationofGoogleEarth,itprovidesalotofhigh-precisionimagesandelevationinformation。Iftheresolutioninthestudyareameetstherequirementsoftheterrain,,thethree-,municatewith3DsMax。Else,iftheresolutioncan’tmeettheneeds,,,,importedintoAutoCADsoftwaretogenerateaterrainmapwiththescale1:,。Traportlayer:WhenthemodelingworkinTerrainLayerisfinished,,weedittextures,lights,materialsandotherphysicalattributesbyusingMaxScript,abuilt-。2)Buildinglayer:,(3DsMax,etc.)’,’ssurface[6]3)Vegetationlayer:,itispowerfulandautomaticanimation(effectsofwindetc.).SothevegetationmodelsareaddeddirectlyinUnity3D。pleted,,textures,scripts,andsoundsaresavedintheassetfileinaUnity3Dproject;theyareaddedasnewGameobjectsintheprocessofcreatingscene。,particlesystems,advancedlightingandshadows,,sparks,dusttrails,,worksinUnity3Dareasfollows:eswith40shaderangingfromthesimple(Diffuse,