Description
The ALTI® BD provides a 3 rd dimension to represent and analyse the territory on a medium scale.
Historically calculated between 1987 and 2001, the ALTI® BD was derived from card scanning and photogrammetric reproduction. Today it is calculated from RGE ALTI® data.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| download | Unknown | Open resource |