30878.三維場(chǎng)景模型的快速構(gòu)建與應(yīng)用技術(shù)研究

1、I分類(lèi)號(hào)：密級(jí)：學(xué)號(hào)：?jiǎn)挝淮a：10407碩士學(xué)位論文論文題目:三維場(chǎng)景模型的快速構(gòu)建與應(yīng)用技術(shù)研究三維場(chǎng)景模型的快速構(gòu)建與應(yīng)用技術(shù)研究研究方向地理信息系統(tǒng)地理信息系統(tǒng)專(zhuān)業(yè)名稱(chēng)測(cè)繪工程測(cè)繪工程研究生姓名肖烽導(dǎo)師姓名、職稱(chēng)劉小生劉小生教授教授2011年3月20日江西贛州III3dmodelingefficiencystillstaysinmanualmodelingstage.Itstillhasmanydifficulttorealiz

2、eautomaticmodeling.Thetechnologiesdevelopmentofthree.dimensionalspacerelationdatamodelingisarenotperfectsecondbecausetheromanceof3dspatialdatainexistinghardwareequipmentprocessingefficiencyisstillrelativelylowanotherhigh

3、.precisionlifelikescenemodelrequiresalotofhumanmaterialfinancialresourcestime.Onthepremiseofmeetapplicationrequirementhowcanimprovetheconstructionof3dscenemodelbecomeoneofthekeytechnologyofthefieldsofgeosciencesintheperi

4、od.ThisstudytakeGanZhoucitylargescaleexistingdigitalmapsfmaindatasourcestakeDEMDOMothersubjectdatafsupplementtake3dscenemodelastheresearchtargettoopenpaperdiscusses.Itfirstlyintroducesthesourceof3dspatialdatathemethodofa

5、ccessingthesourcedata.Secondlytakingterrainresidentsroadvegetationwatersystemgeographicalfactsintoaccountprobesintothetechnologythemethodoftherapidconstructionof3dgeographicsceneIn3dsurfacemodelofconstructionthebrokenpoi

6、ntwasusedtoconstructtheTINdatathentherulesgridDEMwasbuiltbyelevationinterpolatedConstructioningeophysicsmodelaccdingtodifferentfeatureselementsoftheentitystructurecodingclassificationattributestageusingdifferentmodelsour

7、cedataoutputrealizingtherapidconstructionofgeophysicsmodel.ThenaccdingtothenationalDLGdatastructurewithDWGdatastarditwasanalyzedtothestagemanagementmethodoftheexistinglargescalespatialdataattributedatadigitalmapthecontro

8、lmethodoftheprogramqualitycontrolofautomationacquisitionmodebasedonCADGIStechnologyisproposedaccdingtothesoftwareengineeringidearealizedthree.dimensionalscenemodelsourcedataprocessingsoftwarethepurposewasreachedoftheauto

9、mationoutputSHPDXFmodelsourcedata.Basedonthespecificurbanplanningapplicationexamplestherapidconstructionapplicationofprojectscenewasmakingbytheabovetheymethodachievedgoodproductionapplicationeffectverifiesthefeasibilityo