kaardiandmed
Kaardiandmed, Estonian for map data, refers to geographic information that describes the Earth's surface and its features. This data combines spatial geometry—points, lines, and polygons—with non-spatial attributes such as names, classifications, and measurements. Map data supports visualization, spatial analysis, and decision making across domains like transportation, planning, environment, and public safety.
Map data is typically organized into vector and raster forms. Vector data models store discrete features as
Metadata describes the data: its source, date of creation, scale or resolution, coordinate reference system, quality
Map data is produced by national and local government agencies, research institutions, and private providers. In
Usage spans cartography, GIS analysis, routing and navigation, environmental monitoring, risk assessment, and urban planning. Alignment