A Survey of National Spatial Data Infrastructure
Across the Globe

What is a SDI?

Drivers for SDI

What constitutes a NSDI?

Examples of NSDI Initiatives

US National Spatial Data Infrastructure

Canadian Geospatial Data Infrastructure (CGDI)

Japan National Spatial Data Infrastructure

National Fundamental Geographic Information System of China

Geonovum (The Netherlands)

Swiss Organization for Geographic Information

Australian Spatial Data Infrastructure (ASDI)

National Spatial Data Framework (South Africa)

Some concluding thoughtsc