Terrain Modifier

Default UI Menu: Architecture/Add Terrain Modifier

Ribbon UI Menu:

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You can add or remove material from a terrain around a closed, 2D profile.

  1. Start with a terrain, and create a closed 2D shape, such as a rectangle.

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  1. In this example, the shape is placed vertically so that part of it is below the terrain, and part of it is above.

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  1. Activate Terrain Modifier, and select the terrain to modify. Then select the closed shape. Material is added or removed as needed to meet the shape.

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  1. To slope the terrain around the modified shape, add an Offset value.

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This is the result:

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