The Mask composition nodes allow you to blend two masks to
achieve a final result.
Blend: This node
creates a composition between two masks based on a selected blend
mode.
Full
composition: This node gives maximum freedom to compose two
masks. The second mask can be translated in the X and Y axis,
scaled, and rotated before composing it with the first mask.
Multi
blend: This node blends an unlimited number of masks using the
different blend modes available in Instant Terra.
Stamping:
This node inserts copies of a mask in a second mask.
Max: This node
calculates the maximum of two masks.
Min: This node
calculates the minimum of two masks.