Reference
Table of Contents
▸
List of Commands
▸
Values Manipulation
▸
negate
◀
mix_channels
|
noise
▶
negate
Arguments:
base_value
or
(no arg)
Description:
Negate image values.
Default values:
base_value=(undefined)
.
Example of use:
$ gmic
image.jpg
+negate
Command:
image.jpg
+negate
Command:
image.jpg
+negate