基于道路要素的分層路網(wǎng)數(shù)據(jù)模型及其應(yīng)用.pdf

1、中山大學(xué)碩士學(xué)位論文基于道路要素的分層路網(wǎng)數(shù)據(jù)模型及其應(yīng)用姓名：董倩文申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：交通信息工程及控制指導(dǎo)教師：余志黃敏20090605基于道路要素的分層路網(wǎng)數(shù)據(jù)模型及其應(yīng)用TheDesignandImplementofRoadFeamreBasedMulti—leVelDataModelforRoadNe觚orksM句or：TrafjFicInfbrmationEngineeringandControlName：DongQi

2、anwenSuperVisor：ProfYuZhi，LectrHuangMinAbstractIntelligentTr2ulsportationSystems(ITS)c觚ef佬ctiVelyalleViate也eincreasinglyserioustra硒cproblems2uswellaStheenvir0啪emaldegradationthetramcproblemsbrought，soit’sofgreatimpo柵ceto

3、researcharlddevelopITSRoad11etworkdatamodelgiVesthedescriptiona11dstorageschemeofroadnetwork，whichisaprereq哪site繃ldfoundationfortherealizationofITSapplicationsThegoaloftllisp印eristoestablishtheroadnetv舊rkdatamodelthatmee

4、tstheneedsofITSapplicationS，aIldt0usethemodelforSpecificITS印plicationsTheexistingGISTdatamodelsarerevie、№daIldtherequirementsoftheITSapplicationtoroadnet、)v’orkareanalyzedThen，thefeaturebasedmulti1evelda_tamodelforroadne

5、t、VorkisproposedFeanUneisthegeogr印mcent時(shí)inrealworld，WhileroadfbatureistlleonereIevamtoadne鉚orks，whichisⅡleb2Lsicu11itofnledatamodelt0express，store鋤dorg觚izeroadnetworksTheroadne佩，orkdatamodelisdiVidedintothreeleVelsaccord

6、ingtotheabstractiondegreesofdifferemfleaturesInterchangesabstlacted，mefirstleVelexpressesthetopologys仃uctureofroadnetworkgenerally111esecondleVeldesc舶esallmelinearfeaturesinroadnetwork，aIldestablishestlletopoIogicalrelat

7、ionshipbetweenroadsThe“rdleveltakesalaneasafeature，aIldestablishestIlerelationbetweenlanesandroads，嬲、Vell嬲metopologicalrelationsbetweenlanes，t0describetlle仃amcnowsituationinintersectionsandindetailedlanesCorrespondingrel

8、ationsbetweenfIeatl叮esofdifferentlevels御eestablished，toensuretheintegrityofthewholeroadnet、VorkdatamodelBesidesdesc曲ingthephysicalroadnet、Ⅳork，t11edatamodelsupportSt11edescriptionoftramcmlesandconstraints，wIlichhelpitdes

9、cribemeroadtrallsportn娟ⅣorkRoadfea：turebasedmulti—levelroadnetworkdatamodelisdesignedandresearchedintemsofconceptdatamodel，logicaldatamodelaIldphysicaldatamodelWithtIletechnologyoflinearreferencesystem，tllemodelisphysica

10、llyrealizedBasedon讓le、vorkaboVe，t、7l，o印plicationexamplesarcdesignedandimplemented：ShortestpathselectionandtlleautomaticgenerationoftIamcm玳ings’seningschemes，toproVemattheproposeddatamodel2lrlditsmodelingmemodarefeaSiblea