Discrepencies in output when calling the same function twice

D'oh!... :rolleyes: Yes, well... ahem... uh... Yup. Didn't notice the double-call to the filter from within the script. Indeed. So basically, comparing the results of one function to another isn't any good, as the resulting clip from a single function isn't reliable for what it is. Back to frame 0. The following function has been created, implementing stickboy's Fold/Unfold concept (re-written in shorthand, with less options): Code:

BTW, please get my username right. Thanks. ;)