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By Design

Votes

0

Found in

2020.1.0a8

Issue ID

1194810

Regression

No

Terrain geometry detail is permanently lost when switching to lower heightmap resolution

Terrain

-

Steps to reproduce:

1. Download and open the attached TerrainHeightmapBug project
2. Select the Terrain game object
3. Go to Settings and set Heightmap Resolution to anything lower than 4097x4097
4. Notice the reduction in detail (this is intended)
5. Now switch back to the original Heightmap Resolution of 4097x4097
6. Notice that the terrain geometry detail is permanently lost

Notes:

- This issue is fixed by re-importing terrain heightmap again
- Tested in Unity 2020.1.0a8 on a Windows machine

  1. Resolution Note:

    Unfortunately that is a limitation of the existing Terrain system.

    We are working on the new DOTS based Terrain rendering system, which separates the edit-time representation from the run-time representation, and so doesn't suffer from this problem.

    We don't intend to fix this in the existing Terrain system though.

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