negative image loader Outputs negated image Outputs initial image The {[inv+]} performs an inversion on the data passed to it. If you consider inlet 0 as the variable {"a"} and inlet 1 as variable {"b"} {\,} {[inv+]} performs the operation {"b-a"} on the values passed to it. Outputs the result of the operation {"b-a".} number that the left inlet values will be subtracted from. a: the value to subtract b: the value to subtract from