法國梧桐樹建模與仿真.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文法國梧桐樹建模與仿真姓名：馬珍杰申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：姜昱明20080101AbstraetAbstractInthefieldofvirtualrealitytechnologyvirtualplantwasahottopicVirtualplanthadbeenusedinagriculture，ecologybotanyforestryvirtuallearning，andot

2、herareasThepapersimulatedthechinartreeTheworkwassplitintothreeissues，thefirstissueconcernedhowtomodelthechinarleafInordertosimulatethechinarleafvirtuallythisthesisproposedahigheffectivemodelingmethodItusedrandomlocationm

3、ethodtogeneratetheleafvein，useBeziercurvetoexpresstheedgeofleafandmodeltheleafsurfacewithbreakdownmeshgenerationmethod，soSmoothingandcontinuityaredeservedItmappedthesurfacewithaClusterbasedtexturemappingmethod，andreal—ti

4、merenderingtheleafmodelwithPRTilluminationmodeltogainavirtualeffectTheresultsshowedthatthismethodCallgenerateavarietyofchangesintheshapeofthenelsonleaftherebyexpressedtheshapeinformationvirtuallyThesecondissuedealtwithth

5、estatespacestuffAfterstudiedthestatespacetheoryinthree—dimensionalStatespace，thepaperusedthestatevectortosimulatethestem’sgrowth，lightanddignityeffectingwereconcemedThethirdissuefocusedonthegrowthprocessofthechinartreeTh

6、ethesismodeledthechinargrowthwithLsystemStudiedLsystem’sbasictheorySummarizedandabstractedexperienceofchinartreegrowthprocessInitiatedstatesandrules，generatedsequencesofcharacterswithiterativemethod，astringgeometricexpla