Left Toolbar > Value Nodes > Value Subtract node
The Value Subtract node subtracts to the values of imagea the values of imageb at each pixel.
input
image_a
VALUE image. Min: 0.0. Max 30.0.
image_b VALUE image. Min: 0.0. Max 15.0.
output
image
VALUE image. Min: 0.0. Max 45.0.
On the left toolbar choose Value Nodes > Value Subtract. >
Drag the Value Add icon into the Node Graph.
Adjust the attributes of the Value Subtract node.
image_a
A VALUE color mode image.
image_b
A VALUE color mode image.
image An image of VALUE color mode.
Value
A constant value that is subtracted at every pixel.
Mask Min
If checked, the pixels with a value equal to the low value of the image are not subtracted.