摘要
Thispaperendeavourstoputthediscussiononerrorsanduncertaintiesingeographicalinformationsystems(GISs)inamoresystematicwaybyexaminingthestrengthandweaknessofdiscreteobjectsandcontinuousfields,thetwodistinctschoolsofspatialdatamodelling.Indoingso,itarguesthatneitherdiscreteobjectsnorcontinuousfieldsaloneprovideobjectiveandcompleterepresentationsofhighlycomplexgeographicalphenomena,thoughtherearegoodreasonsforassertingthatcontinuousfieldsarebettersuitedtomodellingspatialdependence,heterogeneityandfuzzinesssignificantingeographicalrealitythandiscreteobjects.Thus,thereseemstobemeritinadoptinganintegratedmodelincorporatinganalyticalcapabilitiesoffieldsandgeneralizationfunctionsofobjects,forwhichextendedTIN(triangulatedirregularnetwork)modelsalongwiththeirduals(Voronoidiagrams)provideapragmaticalsolution.
出版日期
1999年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)