TOWARDS AN INTEGRAL STRATEGY FOR MODELLING UNCERTAIN GEOSPATIAL DATA

在线阅读 下载PDF 导出详情
摘要 Thispaperendeavourstoputthediscussiononerrorsanduncertaintiesingeographicalinformationsystems(GISs)inamoresystematicwaybyexaminingthestrengthandweaknessofdiscreteobjectsandcontinuousfields,thetwodistinctschoolsofspatialdatamodelling.Indoingso,itarguesthatneitherdiscreteobjectsnorcontinuousfieldsaloneprovideobjectiveandcompleterepresentationsofhighlycomplexgeographicalphenomena,thoughtherearegoodreasonsforassertingthatcontinuousfieldsarebettersuitedtomodellingspatialdependence,heterogeneityandfuzzinesssignificantingeographicalrealitythandiscreteobjects.Thus,thereseemstobemeritinadoptinganintegratedmodelincorporatinganalyticalcapabilitiesoffieldsandgeneralizationfunctionsofobjects,forwhichextendedTIN(triangulatedirregularnetwork)modelsalongwiththeirduals(Voronoidiagrams)provideapragmaticalsolution.
机构地区 不详
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)
  • 相关文献