Combine
Combinecombine.combineCombine two terrains: add, subtract, multiply, max, min or blend. Ratio fades the effect; the optional mask limits where it applies.

Output with default settings, rendered by LibreTerrain.
Inputs
| Port | Type | |
|---|---|---|
| A | Heightfield | |
| B | Heightfield | |
| Mask | Mask | Optional |
Outputs
| Port | Type | |
|---|---|---|
| Out | Heightfield |
Settings
| Setting | Default | Range / options | Description |
|---|---|---|---|
| Mode | Add | Add, Subtract, Multiply, Max, Min, Blend | |
| Ratio | 1 | 0 to 1 | 0 = only A, 1 = full effect. For Blend, 0.5 is an even mix. |
