Terragen Landscapes: Settings: Water: Wave Properties Wave Properties: Visibility Effect Roughness = 200 Wave Size = 200 Visibility Effect = 0 Roughness = 200 Wave Size = 200 Visibility Effect = 100 Roughness = 200 Wave Size = 200 Visibility Effect = 200 Wave Properties: Roughness & Size Roughness = 0 Wave Size = 0 Visibility Effect = 100 Roughness = 40 Wave Size = 40 Visibility Effect = 100 (Default) Roughness = 100 Wave Size = 100 Visibility Effect = 100 Roughness = 200 Wave Size = 200 Visibility Effect = 100