城市三維GIS模型構(gòu)建方法研究.pdf

1、桂林理工大學碩士學位論文城市三維GIS模型構(gòu)建方法研究姓名：谷勝濤申請學位級別：碩士專業(yè)：地圖制圖學與地理信息工程指導教師：黃俊華李景文201104棒林理’T：人學碩士學位論文AbstractThree—dimensionalGISissupplyedinurbanplan，constructionemergencyandotherapplications，itiscontinuetoexpand，three—dimensionalGI

2、Sdatamodelisthekeytothethreedimensionalcitymostofthetraditionalthree—dimensionaldatamodelexpressionofgeometricfeaturesfromtheperspectiveofurbanspaceseparatesthelogicalconnectionsbetweenobjectsofsocialsemanticCannotcomple

3、telyexpressthegeospatiMobjectInthispapercombinesthree—dimensionaldatamodelandobject—orientedorganizational，theBRandtheCSGmodelbasedonintegrationofthreedimensionalobjectorienteddatamodel，toachievethree—dimensionalmodeloft

4、hecitywitllthemodellogicquicklybuildasemanticrepresentationtosolvethesamelocmiononthecitypropertythelocationofthesamepropertymorethanthree—dimensionalinformationrepresentation，whilethree—dimensionalspatialdatabaseforthec

5、ityofpoint，line，surface，bodystructurespatialobjectWasdesigned，three—dimensionalGISmodelsofurbanorganizationandmanagementofconstructionandprovidenewideasandmethodsInthispaperexploreandstudythefollowingaspects：(1)Thetheore

6、ticalbasisofthree—dimensionalGISdatamodelandtheexistingthree—dimensionaltheoriesareexploredDescribesthree—dimensionalGISmodelingprocessandmodelconstructionrequirements，focusingontheexistingthree—dimensionaldatamodelandto

7、pologyexpression(2)ThreedimensionalobjectorienteddatamodelisstudiedandexploredElaboratethree—dimensionalobject—orienteddatamodelconceptmodel，logicalmodel，organizationalmethods，summarizedthethree—dimensionalobjectoriented

8、semanticdatamodellogicalexpressionofsocialsuperioritycombined誦ththecitybuildingthree—dimensionalthree—dimensionaltriangulationisproposedbasedonrepresentationandBRCSGmodeloftheintegratedthree—dimensionalobjectorienteddata

9、model，thegeometriccharacteristicsoftheurbanspaceofthebuildingmethodofCSGModelLibrary(3)Describedtheintegrationofobject—orientedmodelbasedthree—dimensionalmodelingmethodofthecityThree—dimensionalspatialdataforurbanmass，mu

10、ltidimensionalcharacteristicsofthreedimensionalelementsofproposedurbangrain(3DCSG)，combined晰mobjectorientedmethodoforganizationofurbanabstractgeometricelementsoftheclassificationofCSGmodelsconstructedcitybuildingsandtext