Subdivision of Polygon Parcel in Land-Use Data Generalization

(整期优先)网络出版时间:2003-03-13
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Inland-usedatageneralization,theremovalofinsignificantparcelwithsmallsizeisthemostfrequentlyusedoperator.Traditionallyforthegeneralizationmethod,thesmallparcelisassignedcompletelytooneofitsneighbors.Thisstudytriestoimprovethegeneralizationbyseparatingtheinsignificantparcelintopartsaroundtheweightedskeletonandassigningthesepartstodifferentneighbors.Thedistributionoftheweightedskeletondependsonthecompatibilitybetweentheremovedobjectanditsneighbor,whichconsidersnotonlytopologicalrelationshipbutalsodistancerelationshipandsemanticsimilarity.ThisprocessisbasedontheDelaunaytriangulationmodel.Thispapergivesthedetailedgeometricalgorithmsforthisoperation.