Definition: Layer

Category: UN - Geographic Information Systems

An individual GIS data set that contains features belonging to the same theme, such as roads or houses. The term layer refers to a GIS’s ability to overlay and combine different thematic layers that are referenced in the same coordinate system. Also called coverage. http://ec.europa.eu/eurostat/ramon/statmanuals/files/Handbook_Geo_Infrastr_Supp_Census_Activ.pdf
Source:
United Nations, "Handbook on Geospatial Infrastructure in Support of Census Activities", Department of Economic and Social Affairs, Statistics Division, Studies in Methods, Series F No. 103, New York, 2009
Created:
Updated: