RainFlow

Thank you guys. I'll try both.

Hi there, and pls excuse that I'm not providing a tutorial but want to ask if there's a straightforward way to do this in Affinity Designer. However, in case there's a nifty solution the answer would become a tut, right? Thanks for any suggestion. And please, dear Mods, if this question does not belong here, don't hesitate to move the thread. :)