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Map Overlay Problem
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Author(s): Maikel Garma de la Osa (University of Havana, Cuba)and Yissell Arias Sánchez (University of Havana, Cuba)
Copyright: 2009
Pages: 8
Source title:
Handbook of Research on Geoinformatics
Source Author(s)/Editor(s): Hassan A. Karimi (University of Pittsburgh, USA)
DOI: 10.4018/978-1-59140-995-3.ch009
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Abstract
Maps usually contain data from different sources (e.g., population, natural resources, cities, roads, infant mortality rate, etc.) When all the information is complied it is almost impossible to distinguish a certain type of data from the rest. Geographic Information Systems (GIS) usually organize maps into layers, each representing an aspect of the real world (de Hoop et al. 1993). Layers form thematic maps of a single type of data, allowing users to query each one separately.
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