Left Toolbar > Normal Nodes > Normal Angle
The Normal Angle node computes the angle of the normal and an user defined vector and returns a VALUE image with the angles in radians.
input
image
output
image
On the left toolbar choose Normal Nodes > Normal Curvature. >
Drag the Normal Angle icon into the Node Graph.
Connect a Normal image to the input socket in the Normal Angle node.
Connect the Output.
image
An NORMAL image.
image
A VALUE image with the angle in radians.
Vector X
The vector's x component.
Vector Y
The vector's y component.
Vector Z
The vector's z component.
The Normal Angle node logs an error message if the input image is not a NORMAL image.