User guide

167
Control (UI) Default Value Function
Mask
channel A The channel from out_mask input to use as a
mask:
• R - use the red channel as the mask.
• G - use the green channel as the mask.
• B - use the blue channel as the mask.
• A - use the alpha channel as the mask.
By default, the distortion effect is limited to the
non-black areas of the mask.
invert disabled Inverts the use of the mask channel so that the
distortion effect is limited to the non-white areas
of the mask.
fringe disabled When enabled, the mask is modified so that by
default the distortion effect is limited to the fringe
(semi-transparent areas).
padding
x 128 Sets the padding required to create the distorted
image. These values should be larger than the
largest x and y displacements you are expecting in
the control image.
y 128
borderExtend Clamp Select the border extend method for pixels
required beyond the image borders:
• Mirror
• Clamp
• Background
4 NODES I-K | IMAGEDISTORT