PPT Slide
Geographic Data Files (GDF)
- It’s a vector based, object oriented model of road networks and related data.
- It’s a world wide standard (ISO/TC204 / CEN/TC 278)
- Its content describes roads and associated attributes.
- It provides rules for data capture, and how features, attributes and relations are defined.
- It has been developed for transport & traffic applications (e.g. navigation systems, fleet management, dispatch management, traffic analysis, traffic management, automatic vehicle location, etc.)