Under
Function
This function is exactly like the Over
command, except that it reverses the two input images. This is largely trivial
for the script and the interface, but is extremely handy when working in the
command-line mode, since you can therefore easily work on a background image.
Parameters
|
Type
|
Defaults
|
Function
|
clipMode |
int
|
1 | Toggles between foreground (0) and background resolution (1) |
preMultiply |
int
|
0 | When this is on (1), the foreground image is multiplied by its alpha mask. If it is off (0), it is assumed the foreground image is pre-multiplied. |
addMattes |
int
|
0 | When this is toggled on (1), the mattes are added together for the composite. |
Synopsis
image Under( image Background, image Foreground, int clipMode, int preMultiply, int addMattes );
Script
image = Under( Background, Foreground, clipMode, preMultiply, addMattes );
Command Line
shake -under image clipMode preMult