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spatial overlay - [analysis/geoprocessing] The process of superimposing layers of geographic data that cover the same area to study the relationships between them.
[Category=Geospatial ]
Source: esri, 26 August 2012 09:47:22, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
Data Quality Glossary. A free resource from GRC Data Intelligence. For comments, questions or feedback: dqglossary@grcdi.nl