Editing the terrain

To edit the terrain:

1. Select the terrain and click the Edit terrain button in the right sidebar. Alternatively you can double click on the terrain.
2. Click the flatten button in the toolbar or press R to enter the flatten tool
3. Draw a rectangle with the flatten tool to create a flat spot on the terrain. Flat spots can be selected while in terrain edit mode and can have their width, length, and slope adjusted via the parameters in the right sidebar.

To finish editing the terrain, click the Done button or press Escape to exit terrain edit mode.