地理信息系统应用模型实现技术研究

6(A)920019JournalofImageandGraphicsVol.6(A),No.9Sep.2001:2001206230;:20012072161),2)2)2)2)1)(,100029)2)(,210097),,.,GIS,,GIS,,.:P208:A:100628961(2001)0920912206TechnicalResearchforCarryingouttheGIS’sAppliedModelsWANGQiao1),2),CHENSuo2zhong2),LGuo2nian2),YANGXu2)1)(InformationCenterofStateEnvironmentProtectionAgency,Beijing100029)2)(JiangsuProvincialKeyLabofGeographicalInformationScience,NanjingNormalUniversity,Nanjing210097)AbstractItisquiteimportantfortheGIS’sappliedmodelstosupporttheirspecialdecisionsystem.Sothedevelopmentofthemanagementsystemoftheappliedmodels,theirbaseandtheresearchoftherealizabletechnologyhasbecomethekeytoGIS’sfurtherapplication.Inthepaper,seriesoftechnicalproblemsinrelevancetoGIS’sappliedmodelshavebeenanalyzedinretrospectofGIS’stechnicaldevelopmentanditsfunction.Atthesametime,relevantprogramsandapproacheshavebeenputforwardinordertosolvesuchproblemsasmodel’seffectivemanagement,sharingandsecurity,theintegrationoftheGISandappliedmodels,thecommunicationmechanismofmodelbaseanddatabase,modelvisualizationitsmutualoperationandsoon.Attheconclusionofthepaper,incombinationwiththeNinth2fiveplan,thedemonstrationsystemforthespacialinformationshareandserviceoftheenvironmentprotectionwillbebuilt,themodelrealizationoftheapprocahandtechnologyhasbeendescribed,withanexampleoftheplanarpollutionanddiffusionmodelsinYangtzeRiver.KeywordsGIS,Appliedmodel,Modelmanagement,Model’srealizabletechnology0GIS,GIS,GIS,GIS().GIS(1997),GIS:GIS,GIS©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1].GIS.GIS;,,GIS,GIS,;,GIS,,.,GISGIS.GISGIS.,Blaning1980GIS,(MQL);1984,Dolk;1987,Geoffrion,;1988,Muhana;1993,LiangTing2peng;Vanhee;1996,Wesseling;Leavesley(ModularModelingSystem),GIS()[1].,90,GIS(MBS)(MD),GIS,[14].GIS,.,,,,,,.,,.1GIS1.1GIS,,,,,.,.,,,.1.2GIS[5]GIS,.GIS,.,,.,.GIS,.1.3GIS[5]GIS,(SDSS).GIS,,GIS,,.,,GIS,GIS,.,,GIS.1.4GIS,.,3199:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved..,..1.5GISGISGIS.,GIS,,GIS,GIS,,GIS.4:.GISDDEActiveX.,.,..,,,,.1.6GISGIS3,..GIS,,GIS.1.7GISGIS,.,,..1.8GISGIS,,,.,DOSGIS,[6,7].2GIS2.1(MBS)GIS,,.,,.,,,.4,1.1[2,5]2.2,GIS,,.:ö.2.4196(A)©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.,,.;.2.3,,.(OOA)(OOD)(OOS).3.[4,8].ClassExample:publicModel{:(1)(2):(1)(2)(3)(4)StaticBulid()(5)}3,,,.(COM)(DCOM).,,.,,[3,8].2.4ODBCADODAO,ODBCADODAO.,CrecordsetCrecordView,ODBCADODAO.[6,9].,.(4),.5199:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.,GISGIS,,..,..GIS,MicrosoftActiveXJavasoftJavaBean.,GIS.GIS,GIS,VisualC++,Delphi,GIS,[6,7,9].2.6GIS,,.3:..(1)(CappModel),,;(2),(),,.,,,,;(3),,,,[1,3,4,9].3GIS,GIS.,,.GIS6.,57.56()6196(A)©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(24)4GISGIS,GIS.GIS,GIS,,GIS.,.,GIS.,;GIS.1.[J].,2000,7():1722.2,.[J].,1999,28(2):172176.3,.[J].,2000,4(2):151156.4.[J].,2000,4(3):239244.5,.GIS[J].,1997,26(3):280283.6.[J].,1998,26(3):1719.7.[J].,2001,5(2):135141.8.[J].,1997,(2):810.9.[J].,1998,24(4):418421.1957,,,.GISRS.3,40.1965,,1986,.GIS.20.1961,,,1987,1990.GIS.6,40.1972,1994,..7199:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.