Well, a few minutes investigation into Leak's observation revealed that longest string decimation mode in v0.9.4 and before has a couple bugs causing it to not work correctly (i.e. not at all for what it is intended to do)... There is a reason why this filter isn't 1.0 yet
. Anyways, I've fixed the above mentioned bugs, but am gonna wait till I get a chance to check out Leak's sample before posting a new version. So I would recommend no one use longest string decimation in TDecimate for the time being.