# terrain/look-rock-detail-off

> Talos next · Since next

more than 1% of the terrain is steeper than 35 degrees and surface.rockDetail is absent: near rock is the bare heightfield, smooth between its samples, with no strata, benches or joints

| | |
|---|---|
| Severity | `warning` |
| Source | `terrain-critic` |
| Offers a fix patch | yes |

## What to do

terrain.edit with surface: {rockDetail: {amplitudeM: 0.8, strataM: 3}}, naming the rock layer in it; rockBeds adds per-bed colour, streaks and dark cracks. It refines and displaces the drawn mesh only; collision keeps the heightfield

## Components it can refuse

- `terrain`

## Since / changed

See the version chips above and what changed.