較大規(guī)模VRML場景實(shí)時(shí)顯示與交互技術(shù)的研究.pdf

1、馨79I；／89分類號：TP39152e603fl密級：天津理工大學(xué)研究生學(xué)位論文較大規(guī)模VRML場景實(shí)時(shí)顯示與交互技術(shù)的研究(申請碩士學(xué)位)學(xué)科專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)研究方向t計(jì)算機(jī)圖形學(xué)與虛擬現(xiàn)實(shí)作者姓名t薛彥兵指導(dǎo)教師。張樺教授2005年1月AbstractTheresearchofrealtimedisplayandinteractionofbiggerVRMLscene。isoneoftheresearchareainCompu

2、terGraphicsandVirtualRealityTheresultoftheresearchcouldbeusedinVirtualCityPrograⅡning，ViewofVirtualsight，LayoutanddecorationofVirtualHouseThepaperbeginsfromthethreekeypointsmodelingsimplification，datatransformfromseverto

3、client，realtimedisplayintheprocessfrommodelingtodisplayofVRMLscene，researchinmodelingsimplificationandvisibilityclippinginrealtimerenderingAlso，thispaperdiscussestheinteractioninvirtualsceneThispaperappliesthe8SPTreearit

4、hmeticusedin3DgametopartitionofVRMLscene，givesthetheoryofBSPTree，diSCUSSeStheexcellenceincombiningBSPTreeandVRMLtorealizefastvisibilityclippingUndertheBSPTreepartition，theobjectinthescenecanbedepartedintotwokinds：theobje

5、ctfarfromtheviewpointandtheobjectneartheviewpointAndthispaperuseLODtosettlethisquestionTheapplicationofBSPTreeandLODtogethercangetfineresultthanonlyllseoneofthemInaddition，VRMLusethedatastructurescenegraphFul1Yuseofthevi

6、rtueofscenegraph：layerstructure，stateinherit，reuseofobject，cansimplythesceneAftertheresearchofthesimplificationtechnic，thispapergivesaexample：thedesignandrealizationofthevirtualnewsch001TheusewithCanamoandCosmoWorldscanc

7、utinformationofnouseinthemodelThenuseBSPTreeandLoDtooptimizethesceneHowtheuserinteractivewiththesceneisoneoftheresearchareaofthispaperThebaseofinteractioninvirtualsceneisdiscussed，Thentherealizationoftheinteractioninvirt