The Digital Field Model (MNT) in Essonne

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

Tags

  • données-ouvertes

Topics

Categories