General
"A spatial data infrastructure is a system of (political) measures, institutional facilities, technologies, data and people that enable the joint exchange and efficient use of geographical information."
- The aim of a spatial data infrastructure (SDI) is to provide users with direct access to geoinformation and geoservices from various providers.
- GDIs exist at various levels. Countries, municipalities, cities, etc. can set up GDIs. At European level, we find INSPIRE as the EU's spatial data infrastructure.
- Users are administrative bodies at all levels, experts from the fields of surveying, planning, construction, the environment and the public
80 percent of all political and Economic Affairs Division decisions have a spatial reference.