This node creates a mask from the angles of a terrain. The mask created has the same size and resolution as the input terrain.
To add a Mask from angles node, right click in the Graph Editor and select Create Node > Mask Generation > Mask from angles.
Double click on the node to open its parameters:
Two modes exist to edit the Mask from angles node.
At each vertex, the mask has a value of 0 (black color) if the angle of the terrain is less than or equal to the minimum terrain angle; it has a value of 1 (white color) if the terrain angle is higher or equal to the maximum angle; it has a value between 0 and 1 if the terrain angle lies between these two angles.
The Minimum and Maximum angles define the interval to select.
|Gradient mode||The mask takes a gradient with values between 0 for the minimum angle up to 1 for the maximum angle|
|Select mode||The mask is set to 1 for angles between minimum angle and maximum angle; otherwise it is set to 0|
|Maximum angle||The maximum angle in degrees of the terrain|
|Minimum angle||The minimum angle in degrees of the terrain|
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