There are 2 indicators and a template in the archive. Zigzag-fractals tracks and connects the upper and the lower fractals to each other. Fx-ao displays angulation. You can find the full description of the strategy at: www.fx-chaos.by.ru.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/8052
The indicator displays the ratio between the length of the current down-trend (in bars) and the total length of the period barsToProcess (of course, in bars, as well) where the down-trend is searched for.RelUpTrLen
The indicator represents the ratio between the length of the up-trend found and the length of the entire range where the indicator is searching for an up-trend.