This node sums two terrains. At each vertex, the value of the output terrain is the sum of the values of both input terrains.
To add a node, right-click in the Graph Editor and select Create Node > Terrain Composition > Add.
This node has no properties.
Link the Add node to two input nodes.
If both input terrains are not the same size or the same resolution, the size and the resolution of the output terrain is determined by those of the first terrain, and the second terrain is enlarged or reduced so that its size matches the size of the output terrain exactly before being added to the first terrain.
Link the Add node to two input terrains and a mask.
At each vertex:
Both input terrains and the input mask can have different sizes and resolutions. The size and resolution of the output terrain are determined by those of the first terrain and the second terrain and the mask are enlarged or reduced so that their size corresponds exactly to the size of the output terrain.
Watch our Sum using mask video tutorial.
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