What constitutes a NSDI?
1. Policy overarching framework of the creation
of a National level SD; embodies strategies and
plans 2. Institutional framework
2. Institutions the lead and member
organizations that are willing to cooperate in
the creation, sharing and use of fundamental
geospatial data.
3. Data fundamental datasets
4. Standards and protocols metadata, technical
guidelines e.g. reference system, etc., and
specific guidelines for sharing and exchange of
spatial data