基于GIS的地理元胞自动机模拟框架及其应用

26120101GeographyandGeo-InformationScienceVol.26No.1January2010:2009-04-24;:2009-06-30:(209047);(08230510700);(08ZZ81);(SSC09018):(1981-),,,,GISE-mail:[e-mail]1,2,2,1(1.,201306;2.,200092):GIS:SimUrban,,GISVS.NET,GISCA,,SimUrban(PCA)CA1989-2006:;;;GIS:P208:A:1672-0504(2010)01-0041-03GISCA,[1-3],CA,BattyGeoCAUrban[1],ArcGISAMLArcObjects[2],DietzelSLEUTH[4],StevensiCity[5]CA[6,7],[8],CA,,,,CA,ArcGISEngineGIS,VisualStudio.NET:SimUrban,1989-2006,1CACA,CA,[9]CA(),CA:St+1ij=f(Stij,tij,N)(1):St+1ijStijijt+1t(t);ij;N;f,CA:Pt=nncon(Sij=Urban)nn-1(2),Ptl,,CA,con(Stij=suitable),01,,,,(1+(-ln))Ptg:Ptg=PtlPtcon(Stij=suitable)(1+(-ln))(3):Ptl,()(),CA,,[10],:St+1ij=Urban,PtijPthresholdNonUrban,Ptij!Pthreshold(4),PtijPthreshold,;Ptij,CA,,2SimUrbanSimUrbanVisualStudioNET,ArcGISEngineSimUrban3(1)1SimUrbanFig.1AflowchartofmodellingurbandevelopmentwithSimUrban(1)SimUrbanArcGISEnvi,,,CA,,,CA(2)CA,5CA:(PLS)(LSSVM)(PSO)(KPCA)(Klogistic),CA(3)CASimUrban,,,SimUrban5:1),CA;2),GIS,;3),CA,PCACAPLSCALSSVMCAPSOCAKernelPCACAKernellogisticCA;4),,Kappa;5),3,SimUrban,(PCA),1989-2006(2)2PCACAFig.2SimulatingurbandevelopmentwiththePCACAmodel4226,(),,,17,CA,,Kappa(1)1PCACA(2006)Table1ThesimulationaccuraciesofthePCACAmodel(%)23765520282.0474951768170.2376.55Kappa52.58,8204%,7023%,7655%,Kappa5258%(1),,,,,4GIS:SimUrban,CASimUrban,,SimUrban,,,CA,SimUrbanSimUrban,:[1]BATTYM,XIEYC,SUNZL.ModelingurbandynamicsthroughGISbasedcellularautomata[J].Computers,EnvironmentandUrbanSystems,1999,23:205-233.[2],,,.∀∀∀[M].:,2007.[3],./[J].,2008(6):713-723.[4]DIETZELC,CLARKEKC.TowardsoptimalcalibrationoftheSLEUTHlandusechangemodel[J].TransactionsinGIS,2007,11(1):29-45.[5]STEVENSD,DRAGICEVICS,ROTHLEYK.iCity:AGISCAmodellingtoolforurbanplanninganddecisionmaking[J].EnvironmentalModelling&Software,2007,22:761-773.[6],.[J].,2009,25(3):67-70.[7],,,.[J].,2009,25(3):74-76.[8],,.CA[J].,2008,24(3):71-74.[9]WUF.Calibrationofstochasticcellularautomata:Theapplicationtoruralurbanlandconversions[J].InternationalJournalofGeographicalInformationScience,2002,16(8):795-818.[10]LIUY,PHINNSR.Modellingurbandevelopmentwithcellularautomataincorporatingfuzzysetapproches[J].Computers,EnvironmentandUrbanSystems,2003(27):637-658.DevelopmentandApplicationofGeographicalCellularAutomataModellingFrameworkBasedonGISFENGYong-jiu1,TONGXiao-hua2,LIUMiao-long2,HANZhen1(1.CollegeofMarineSciences,ShanghaiOceanUniversity,Shanghai201306;2.DepartmentofSurveyingandGeoinformatics,TongjiUniversity,Shanghai200092,China)Abstract:Inthispaper,anovelGISbasedgeographicCAmodellingframework,SimUrban,isproposedtosimulateandprojecturbanexpansionanddevelopment.Basedonobjectorientedprogrammingtechnology,theframeworkisdevelopedbyusingVisualStudio.NETinGISenvironment,whichenablesthewideusageofRSimagesandGISdata.Theproposedframeworkcomposesthreeparts:1)dataacquisition,usingSimUrban,ArcGIS,andEnvi,thevectortopographicmapsandRSimagesareintegrated;2)newtransitionrulesofCA,suchaspartialleastsquaresregressionmethod,leastsquaresupportvectormachines,particleswarmoptimization,kernelprincipalcomponentanalysis,andkernellogisticregressionmethod,areallowedtoimbedded;3)usingthisframework,urbanexpansionandlanduse/coverchangesaresimulatedwithassessmentoftheresultsbytheerrormatrixmethod.TheurbandevelopmentandgrowthofJiadingDistrict,Shanghai,from1989to2006wassuccessfullysimulatedinSimUrbanwiththeCAmodelbasedonprincipalcomponentanalysis(PCA).Simulationaccuracyofnonurbancategoryis8204%,urbancategoryis7023%,theoverallaccuracyis7655%,andtheKappacoefficientis5258%.TheimplementationofJiadingDistricthasdemonstratedthatthemodellingframeworkcangeneratespatternsmatchwellwiththeactualurbanmorphology.Keywords:cellularautomata;geographicalmodellingframework;urbandevelopmentmodelling;GIS431:GIS