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Analyzing and evaluating the reliability of multi-scale representation of spatial data are already becoming an important issue ofthe current digital cartography and GIS. Settlement place is the main content of maps. For this reason, studying on the uncertaintyof multi-scale representation of settlement place is one of important contents of the uncertainty of multi-scale representation ofspatial data. In this paper, uncertainty of multi-scale representation of street-block settlement was get comprehensive analysis andsystem research. This paper holds that map generalization is the essential cause leading to uncertainty of multi-scale representation of streetblocksettlement. First, it is explored of essence and types of uncertainty on multi-scale representation of street-block settlement, and it dividesthese uncertainties into four large classes and seven subclasses. Second, among all kinds of uncertainties of multi-scale representation ofstreet-block settlement, this paper mainly studies the uncertainty of settlement of street-block symbolic representation, and establishes theevaluation content and evaluation indexes and computing method of uncertainty of street-block and street network generalization and buildinggeneralization. The result can use for evaluating the good and bad of scale transfer methods and the uncertainty of products of multi-scalerepresentation of street-block settlement

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

GENERAL ANALYZING AND RESEARCH ON UNCERTAINTY OF MULTI-SCALE REPRESENTATION FOR STREET-BLOCK SETTLEMENT