Slope in classes of 20%. Reference: Digital height model DHM 25 from Swisstopo
| Code | Text | NFI1 | NFI2 | NFI3 | NFI4 | NFI4b | NFI5 |
|---|---|---|---|---|---|---|---|
| -1 | n/a | x | x | x | x | x | x |
| 1 | to 20% | x | x | x | x | x | x |
| 2 | 21-40 % | x | x | x | x | x | x |
| 3 | 41-60 % | x | x | x | x | x | x |
| 4 | 61-80 % | x | x | x | x | x | x |
| 5 | 81-100 % | x | x | x | x | x | x |
| 6 | >100% | x | x | x | x | x | x |
last calculated: 18.11.2025 20:41:59