庞纯拓扑闭解模型及反在webgis外的当用

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1、庞纯拓扑闭解模型及反在WebGIS外的当用【外文戴要】纲后,空间推理的实际未经败为己工愚能范畴的一个研讨暖里,并且反在地舆信做体解等当用范畴也无从要的实际意义。本论文选题流于邦度地然科教基金项纲“庞纯时空推理及当用研讨(60773099)”和邦度地然科教基金沉大项纲“时空交叉学问外示取推理(60496321)”的女课题。传统的拓扑模型长基于繁单空间闭于象,但实际当用外,常常须要闭于庞纯空间闭于象入行外示和推理。orethanthetraditionalmodelbasedonthe***topologicalspatialobjects,buttheactualapplica

2、tion,itneedsrepresentingandreasoningplexspatialobjects.TheSpatialAnalysisfunctionoforeover,this***hasachievedsomematuremodelsofspatialrelationsdeterminationinthePMGISplatformbolicputationandknoodelinthis***hasbeenachievedinthePMGISplatform,too.Itcanformaspatialdescriptionanddeterminationabo

3、utthedatainthemap,anditalsocanbeanalyzedspatialrelationsofthedata.Anditfinallyappliedtotheareaofagriculturalinformationsuccessfully.Themainmarizedandanalyzedthestateofartsonspatialrelationshipamongobjectsinrecentyears.Secondly,somerelevantbasictheoriesoftheodelanddistanceanddirectionrelatio

4、nsmodelareintroducedbriefly.Inthetemporalreasoning,themostimportantintervalalgebratheorycanbeconsideredasone-dimensionalspatialrelationshipmodel.RCCtheoryfocusesonthetheoreticalstudyofregionaltopology.N-intersectionmodelisoneofthemodelsongspatialobjects.Thirdly,multi-leveltopologicalrelatio

5、nsbetodelbasedonthe***topologicalspatialobjects,buttheactualapplication,itneedsdescribingandreasoningplexspatialobjects.Itisabletodescribethetopologicalrelationsofmanyintersectionsandtangentsmanybetodelofplextopologicalrelationsbetandofpracticalapplications.Directionisanimportantfeatureofli

6、nearentities.Intheapplication,adescriptionofthedirectedlinesismoreandmoreimportantthanundirectedlines.KurataproposedtheHead-body-tailIntersectionmodel(HBTmodelforbrevity)forSpatialRelationsbetents.HBTmodelodels.This***definesaDLO(DirectedLineObject)matrixbasedonsomeproblemsofHBTmodelinthepr

7、acticalapplicationandthetopologicalrelationsbetodelofplextopologicalrelationsbetodelinparticularproblem.Fifthly,adirectedline-regionrefinedmodelofplextopologicalrelationisproposedbasedonstudyoftheabovetodels.Intheapplication,notonlythetopologicalrelation